Eaton, Aerospace Group Customer Support Department Fuel and …pub/@eaton/... · Eaton, Aerospace...

Eaton, Aerospace Group Customer Support DepartmentService Bulletin and Service Information Letter Index,Issued: 09-November-2017

Eaton Limited,Fuel and Motion Control Systems Division (FMC),

Abbey Park, Southampton Road,Titchfield, Hampshire, PO14 4QA, UK.

Tel: +44 (0)1329 853963Tel: +44 (0)1329 853000 (Switchboard)

E-mail: [email protected]

Publication Type Title Issued Rev. RevisedPart Remarks

00624-29-001 SIL Replace Defective Hose 16/09/14 1 23/09/14AE710761-1





0725175-28-01 SB Refuel Coupling - Screw Torque Values 22/01/09 3 10/01/160725145



0727510-28-1 SB FLUSH COVER & CABLE-INTRO RETRACTABLE CABLE ASSY 07/06/91 2 02/10/920727510

0727510-28-1 SB FLUSH COVER & CABLE-INTRO RETRACTABLE CABLE ASSY 07/06/91 2 02/10/920727540

0728365-28-1 SB WING CONN. & WATER/FUEL DRAIN VALVE LARGER HOLES 01/07/84 Initial0728365

0728365-28-1 SB WING CONN. & WATER/FUEL DRAIN VALVE LARGER HOLES 01/07/84 Initial0733120

0733095-28-2 SB FUEL SYSTEM WATER DRAIN VALVES - SEALS SPLITTING 1 01/03/890733040



0733095-28-3 SB WATER/FUEL DRAIN VALVE - INTRODUCTION OF NEW WATER DRAIN VALVE

10/09/02 Initial0733040


10/09/02 Initial0733095


10/09/02 Initial0733095-1

0733215-28-1 SB WATER DRAIN VALVE-LIGHTNING SAFE - LEAKAGE PROBLEM 04/07/95 Initial0733215

0733215-28-1 SB WATER DRAIN VALVE-LIGHTNING SAFE - LEAKAGE PROBLEM 04/07/95 Initial0733220

0733215-28-2 SB WATER DRAIN VALVE-LIGHTNING SAFE - CRACKED INSERT 21/11/95 Initial0733215

0733215-28-2 SB WATER DRAIN VALVE-LIGHTNING SAFE - CRACKED INSERT 21/11/95 Initial0733220

-1 SIL Pump Removals - no fault found 02/02/88 Initial568-1-26713-001




1029D100-52-1 SB Cargo Door - Electric Lock Actuator 09/06/11 Initial1029D100-1

104M2-49-1 SB MOT. VALVES - ALTVE ELECTRIC MOTORS 01/03/81 Initial104M2



110M21-28-1 SB MOT. VALVES - ALTVE ELECTRIC MOTORS 01/04/77 1 01/03/81110M21

110M21-28-1 SB MOT. VALVES - ALTVE ELECTRIC MOTORS 01/04/77 1 01/03/81110M8-1

110M21-28-1 SB MOT. VALVES - ALTVE ELECTRIC MOTORS 01/04/77 1 01/03/81114M11

110M21-28-1 SB MOT. VALVES - ALTVE ELECTRIC MOTORS 01/04/77 1 01/03/819300213

1150240-28-1 SB DELETION OF PISTON SEAL 01/11/77 1 01/05/781150185

1150240-28-1 SB DELETION OF PISTON SEAL 01/11/77 1 01/05/781150190

1157020-28-1 SB FUEL SYSTEM- REFUEL/DEFUEL VALVE 01/05/85 2 01/11/851157020

1157020-28-2 SB MK57 VALVE CANISTER SPRING REPLACEMENT Initial1157020 CANCELLED

1157060-28-1 SB MK 57 VALVE - SEALING OF ELECTRICAL CONNECTORS 01/11/85 21157060

1157060-28-2 SB MK 57 Valve Seal Replacement 25/02/10 Initial1157060

1157060-28-2 SB MK 57 Valve Seal Replacement 25/02/10 Initial25-0007

1158000-28-001 SB REPAIR FAILED REFUEL VALVES 03/10/11 1 26/01/121158000-21 SUPERSEDED

1158000-28-001 SB REPAIR FAILED REFUEL VALVES 03/10/11 1 26/01/121158000-21R SUPERSEDED

1158000-28-002 SB Introduction of new Refuel Valve 27/03/13 Initial1158000-21

1158000-28-002 SB Introduction of new Refuel Valve 27/03/13 Initial1158000-45

1158000-28-003 SB Introduction of Improved Refuel Valve 22/04/13 1 26/01/161158000-21

1158000-28-003 SB Introduction of Improved Refuel Valve 22/04/13 1 26/01/161158000-21R

1158000-28-003 SB Introduction of Improved Refuel Valve 22/04/13 1 26/01/161158000-45

125-SB-1010 SB Introduction of Rigid Handrail 01/09/67 InitialD11342

130E100-52-5 SB Replacement of Mechanical Overload Clutch 19/10/15 Initial130E100-15

130E100-52-6 SB Replacement of Mechanical Overload Clutch 12/11/13 Initial130E100-13

1-91 SIL 04/04/91 Initial568-1-27202-002

20027-28-01 SB Introduction of New APU Canister 15/05/12 Initial568-1-30781-100




20124-28-001 SB Improved Impeller Introduction 03/12/12 Initial568-1-30750-102



20124-28-002 SB Introduction of Mark 105 pump 03/08/16 2 05/05/17568-1-30750-103

20124-28-002 SB Introduction of Mark 105 pump 03/08/16 2 05/05/17568-1-30750-105

20125-28-001 SB Introduction of New Strainer 31/08/11 Initial568-1-30751-102



20125-28-002 SB FUEL-FEED PUMP-INTRODUCTION OF NEW CANISTER 10/04/14 Initial568-1-30751-106

20126-28-001 SB Introduction of MK 200 Transfer Pump 31/10/12 Initial568-1-30760-101

Page 1 of 28A '+' next to the publication number is for Eaton use only.




20126-28-02 SB Introduction of MK201 Pump 15/09/14 Initial568-1-30760-200

20126-28-02 SB Introduction of MK201 Pump 15/09/14 Initial568-1-30760-201

20126-28-03 SB Introduction of Amendment 2 MK200 Pumps 16/06/14 Initial568-1-30760-200

20127-28-001 SB FUEL-TRANSFER PUMP-INTRODUCTION OF NEW CANISTER 03/03/14 Initial568-1-30761-100

20127-28-001 SB FUEL-TRANSFER PUMP-INTRODUCTION OF NEW CANISTER 03/03/14 Initial568-1-30761-102

21-40-02-9089 SB BY-PASS VALVE - NEW ELECTRIC MOTOR 01/10/76 Initial9870201M

24-09-2-9085 SB MODIFICATION FRCA 9085 1 01/09/74106FM12-1-EC

24-09-4-321 SB MOTOR UNIT - IDENT OF ELECT WIRES 01/07/76 InitialA500-10

24-09-4-321 SB MOTOR UNIT - IDENT OF ELECT WIRES 01/07/76 InitialA500-16

24-12-1351 SB 23/01/85 Initial503-1-06880-001 BASIC MANUAL

24-4-1314 SB INTRO OF IMPROVED GENERATOR 24/02/87 1 09/09/87503-1-06680-002

24-9-1338 SB INTRODUCTION OF IMPROVED GCU 12/12/90 Initial 12/12/90700-1-22490-400

25P0001-28-01 SB REPLACEMENT OF THE FLAPPER VALVE SPRING Initial25P0001 TO BE WRITTEN - ZODIAC

26-09-1-4628 SB PIPE CONNECTOR SEAL IDENTIFICATION 01/12/75 InitialFRS110

























28-09-41-9818 SB NRV - INTRO OF NEW SPRING 01/01/76 Initial9807103

28-09-9075-19776 SB LW MOTOR UNITS - IMPROVED SEALING 01/06/70 1 09/10/70110M2


28-09-9075-19776 SB LW MOTOR UNITS - IMPROVED SEALING 01/06/70 1 09/10/70110M8-1







28-09-9075-19776 SB LW MOTOR UNITS - IMPROVED SEALING 01/06/70 1 09/10/70C137M1

28-09-9075-19776 SB LW MOTOR UNITS - IMPROVED SEALING 01/06/70 1 09/10/70C137M11

28-10-4271-169 SB FLOAT VENT VALVE REDUCTION OF FLOAT WEIGHT 23/04/67 Initial9507080

28-10-42-9088 SB AIR NO FUEL VALVE - IMPROVED ATTACHMENTS 01/01/77 Initial9507320

28-12-18747 SB DUAL TRNSFR VALVE - NEW VALVE SEAT ASSY 30/03/68 1 27/05/713609290

28-12-18747 SB DUAL TRNSFR VALVE - NEW VALVE SEAT ASSY 30/03/68 1 27/05/713609295

28-1-2713 SB INTRODUCTION OF MK2 PUMP INC A SEPARATE INDUCER 24/05/85 Initial568-1-26713

28-13-19013 SB MFLI - THINNER LOCKING COVER 25/04/68 Initial3508000-179

28-13-19013 SB MFLI - THINNER LOCKING COVER 25/04/68 Initial3508000-199

28-1-3455 SB FLOAT SW - REDUCTION OF FRICTION 15/03/65 Initial3502120

28-1-3455 SB FLOAT SW - REDUCTION OF FRICTION 15/03/65 Initial3504100

28-14-4247-280 SB SURGE ALLEVIATOR - CHANGE OF DIAPHRAGM MATERIAL 31/07/68 Initial1150060

28-16-4271-221 SB RELIEF VALVE - CHANGE OF VALVE SEAT 21/08/68 Initial9509060

28-17-4263-451 SB FLOAT SW - INTRO OF NEW MICROSWITCH 26/09/68 1 01/10/693504100-238

28-18-4271-226 SB RELIEF VALVE - INTRO OF BURSTING DISC 20/11/68 Initial9509130

28-20-4810 SB FLOAT SW - IMPROVED SEALING AT NUT 12/12/68 Initial35041000

28-20-77-11071 SB DUAL TRNSFR VALVE - FLOAT ARM RESTRAINT 01/03/76 Initial3609300

28-20-77-11071 SB DUAL TRNSFR VALVE - FLOAT ARM RESTRAINT 01/03/76 Initial3609305

28-21-4247-300 SB EQUAL FLOW VALVE - CHANGE OF BUSH 17/03/69 Initial3605080

28-22-16-11088 SB VALVE CANISTER ATTACHMENT STUDS 01/12/76 Initial1157020

28-22-19519 SB DUAL TRNSFR VALVE - INTRO OFTORSION SPRING 29/09/69 1 01/03/703609200

28-22-19519 SB DUAL TRNSFR VALVE - INTRO OFTORSION SPRING 29/09/69 1 01/03/703609280

28-2-2717 SB INTRODUCTION OF MK3 PUMP INC INDUCER & REPRIME IMPELLER OF STAINLESS STEEL

24/05/85 Initial568-1-26713

28-23-19411 SB TRNSFR VALVE - INTRO OF ORIENTATION HOLE 01/05/70 Initial3609239



28-23-19411 SB TRNSFR VALVE - INTRO OF ORIENTATION HOLE 01/05/70 Initial3609245

28-2-4336-181 SB MFLI - LONGER SCREWS ATTACHING COVER 20/07/65 Initial3508000--133

28-2-4336-181 SB MFLI - LONGER SCREWS ATTACHING COVER 20/07/65 Initial3508000-134











28-26-9072 SB LW MOT VALVES - TO IMPROVE O/HAUL LIFE 17/06/70 Initial3M1



28-26-9072 SB LW MOT VALVES - TO IMPROVE O/HAUL LIFE 17/06/70 Initial9401019

28-27-9075 SB LIGHTWEIGHT MOT SP VALVE SEALING 01/06/70 Initial3M3

28-27-9075 SB LIGHTWEIGHT MOT SP VALVE SEALING 01/06/70 Initial3M4

28-28-19794 SB COVER ASSY - NEW STOP PIN Initial0727210

28-29-4336-357 SB MFLI - SURPLUS GRADUATIONS 01/11/70 Initial3508000-113















28-30-12-9092 SB MOTOR WIRING CHANGE 01/10/76 Initial7913209M

28-30-12-9092 SB MOTOR WIRING CHANGE 01/10/76 Initial9402017

28-30-19212 SB HE PRES CONT. - NEW HANDWHEEL 01/12/70 Initial

28-30-19212 SB HE PRES CONT. - NEW HANDWHEEL 01/12/70 Initial4128080

28-33-8882 SB LW MOTOR UNITS - IMPROVED TAB WASHER 01/02/71 1 01/04/713M1





28-33-8882 SB LW MOTOR UNITS - IMPROVED TAB WASHER 01/02/71 1 01/04/719401011

28-33-8882 SB LW MOTOR UNITS - IMPROVED TAB WASHER 01/02/71 1 01/04/719401060

28-3-41 SB MK 41 REF/DEF VALVE - IMPROVED INDICATOR SWITCH 10/12/65 Initial1141070

28-35-22485 SB NRV - NEW VALVE HEAD ASSY 01/02/72 Initial9807735

28-37-22785 SB VENT FLOAT VALVE - NEW FLOAT 01/12/72 Initial9507080

28-38-1199 SB DUAL TRNSFR VALVE - INTRO NEW FLOAT ARM 01/01/73 Initial3609290

28-38-1199 SB DUAL TRNSFR VALVE - INTRO NEW FLOAT ARM 01/01/73 Initial3609295

28-40-37-4336-281 SB MFLI - KILOS IN LIEU OF IMP GALS 01/09/74 Initial3508000-94

28-40-37-4599-054 SB MFLI - KILOS IN LIEU OF IMP GALS 01/06/74 Initial3508000-97

28-40-4263 SB Mk.2 and Mk.4 Float Switches (SB) 01/02/73 Initial3502120 *OUT OF PRINT

28-40-4263 SB Mk.2 and Mk.4 Float Switches (SB) 01/02/73 Initial3504100 *OUT OF PRINT

28-40-4263-539 SB FLOAT SW - PYE SW IN LIEU OF BURGESS 01/02/73 Initial

28-40-58 SB MK 15 FLOAT SWITCH 01/07/67 Initial3515000-69

28-40-66-3599 SB CONVERSION OF MK 4 FLOAT SW TO MK 15 STANDARD 01/10/76 Initial

28-41-1199-044 SB MK 9 TRANSFER VALVE MOD NO 1199-044 01/12/73 Initial

28-41-3999-014 SB JET PUMP - NEW FILTER 1 01/04/73

28-4-2730 SB INTRODUCTION OF MK4 PUMP INCORPORATING IMPROVED MEANS OF VAPOUR CONE DISPERSION

05/03/86 Initial568-1-26713

28-42-9080 SB FLOAT ASSY MOD FRCA 9080 01/07/73 Initial3605171

28-4-3512 SB PIPE CONNECTORS - IMPROVED LOCKING CIRCLIP 31/03/66 InitialFRS325




28-5-40-59 SB MFLI - MARKING OF GRADUATED TUBE 15/08/66 Initial3508000-161




28-708CA29-1 SB 1in INWARD/OUTWARD VENT VALVE - IMPROVED SPEC. 04/07/94 Initial708CA29








28-8-4271-171 SB TRNSFR RATE CONTROL VALVE - NEW RELIEF SPRING 25/10/67 19815150



28-9-4647-35 SB COVER ASSY - STRONGER HANDLE HINGE POINTS 01/08/67 Initial0727180

29-11-18791 SB CONTENTS TX - INTRO HIGH TEMP RANGE RUBBER PARTS 31/10/67 Initial9201000-66

29-11-9399-038 SB HP/LP VALVE - MOD NO 9399-038 Initial9300210

29-19-9065 SB CONTENTS TX - INTRO OF SKYDROL RESISTANT COVER 05/12/68 1 18/06/699201000-66

29-6-4336-238 SB CONTENTS TX - NEW FLOAT ASSY 21/11/66 2 20/01/67

3022053-000-29-03 SIL Leakage Inspection 18/07/16 Initial3022053-000

3022053-001-29-01 SB MODIFY TO Initial3022053-001

3022071-007-29-01 SB Cover Plate and Valve Plate 15/02/12 Initial3022071-007

3022071-008-29-01 SB Improved Cylinder Block 08/03/13 Initial3022071-008

3022071-009-29-01 SB Introduction of New EMP 10/06/15 Initial3022071-009

3022071-009-29-01 SB Introduction of New EMP 10/06/15 Initial3022071-010

3022078-001-27-01 SB New Resolver 14/12/12 Initial3022078-001

3022078-001-27-02 SB New Servo Valve 15/07/14 Initial3022078-001

3022078-001-27-03 SB Introduction of New LRU 31/10/14 Initial3022078-001

30-24-19843 SB CONTENTS TX - FLOAT ASSY CHAMFER 14/05/70 Initial

30-25-19609 SB CONTENTS TX - VALUE OF R14 RESISTOR CHANGED 15/06/70 Initial

3031863-001-29-02 SB Introduction of PV3-240-10F 29/04/16 1 17/05/173031863-001

3031863-001-29-02 SB Introduction of PV3-240-10F 29/04/16 1 17/05/173031863-002

3032793-001-29-02 SB Intro New LRU 3032793-002 04/04/12 Initial3032793-001

3032793-001-29-02 SB Intro New LRU 3032793-002 04/04/12 Initial3032793-002

3032793-002-29-01 SB Improved Clutch Solenoid 24/06/13 Initial3032793-002

3032793-002-29-02 SB Improvement of Attenuator 25/04/16 Initial3032793-002

3032793-002-29-03 SB Convert PV3-300-31N TO PV3-300-31P 29/02/16 1 10/11/163032793-002

3032793-002-29-04 SB MODIFICATION TO TYPE PV3-300-31R Initial 25/08/173032793-002

311 SB Nov 15/63 Initial

3403 SB LEAR ROMAC ROTARY FUEL PUMP-REG. VALVE DIAPHRAGM 29/04/91 Initial

3508000-28-1 SB MFLI - PROVISION OF SUPPORT BRACKET 01/02/78 2 19/06/78

3508802(20to23)-28-1 SB NEW END STOP FOR MFLI OUTER ASSEMBLIES 28/01/94 Initial3508802-20




3508802-29-28-1 SB MFLI - NEW DESIGN MOD No. FRCA9328 14/10/98 Initial3508802-29







3508802-29-28-1 SB MFLI - NEW DESIGN MOD No. FRCA9328 14/10/98 InitialFRH050001-1

3508802-29-28-1 SB MFLI - NEW DESIGN MOD No. FRCA9328 14/10/98 InitialFRH050001-2

3508802-29-28-1 SB MFLI - NEW DESIGN MOD No. FRCA9328 14/10/98 InitialFRH050002








3508802-58-28-1 SB MFLI OUTER ASSY (UPPER) POSSIBLE LEAKAGE 12/10/04 Initial3508802-58

3514100-235-28-1 SB FLOAT SW - INTRO OF NEW MICRO SW 01/01/85 1 01/03/853514100-235

3514100-235-28-1 SB FLOAT SW - INTRO OF NEW MICRO SW 01/01/85 1 01/03/853514100-265

3514100-261-28-1 SB FLOAT SW - NEW MICRO SW 01/01/85 1 01/03/85

3515000-238-28-1 SB MK 15 FLOAT SW - INTRO OF NEW FLOAT ASSY 01/05/82 Initial

3515000-69-28-1 SB FLOAT SW - INTRO OF DISTANCE PIECE 01/03/77 Initial

3605198-28-1 SB DUAL SOV - INTRO OF RETAINING PLATE 01/11/78 Initial

3605225-28-1 SB DUAL SOV - INTRO OF LEVER TO PREVENT FOUL 01/01/78 Initial

3605260-28-1 SB DUAL SOV MOD TO OUTLET PORTS 01/01/84 Initial

3706190-28-1 SB MOD TO PREVENT LEAKAGE AND ATTACHMENT ITEMS 01/02/78 Initial

38-34-7999-033 SB DIAPHRAGM WATER VALVE - NEW SPINDLE & COMPRESSOR 01/01/72 Initial

38-39-9840 SB NRV - NEW SPRING 01/02/73 Initial

39-0001-28-01 SB Modification to Boost Pump MK1500 15/06/17 Initial39-0001-1300



398000-28-2 SB FUEL – Fuel Booster Pump – Introduction of new pump model 398000-2

08/11/07 1 02/12/08398000-1

398000-28-2 SB FUEL – Fuel Booster Pump – Introduction of new pump model 398000-2

08/11/07 1 02/12/08398000-2

4127200-2-64-1 SB QD - INTRO OF SAFETY LOCK PIN 01/05/79 Initial

4128-2 SB HEP CONTROLLER - MODIFIED OPERATING RING 22/01/68 14128080 pdf copy of technical servicing ad

4128-3 SB HEP CONTROLLER - ENLARGED BLEED HOLE 22/01/68 14128080 pdf copy of technical servicing ad



4128-4 SB HEP CONTROLLER - PROVISION OF SLOT IN BOLT 22/01/68 14128080 pdf copy of technical servicing ad

4128-5 SB HEP CONTROLLER - NEW SPIGOT BUSH 16/10/68 14128080 scan copy of Technicl Servicing A

520800-29-01 SB Introduction of Model PPEV3-008-EA3D 31/08/15 Initial520800

53-0013-24-01 SB Fuel, X-Feed Valve, Actuator, Loose Top-cap Screws 19/02/09 Initial53-0013

53-0013-24-01 SB Fuel, X-Feed Valve, Actuator, Loose Top-cap Screws 19/02/09 Initial53-0027

53-0013-24-02 SB Fuel, X-Feed Valve, New Actuator 10/03/09 Initial53-0013

53-0013-24-02 SB Fuel, X-Feed Valve, New Actuator 10/03/09 Initial53-0027

53-0037-28-01 SB Introduce New MOV Actuator 07/05/14 Initial53-0016



53-0037-28-02 SB Modification of PCB Capacitors 10/11/15 1 26/02/1653-0037

53-0037-28-02 SB Modification of PCB Capacitors 10/11/15 1 26/02/1653-0049

5602 SB LEAR ROMAC FUEL BOOST PUMP - ELECTRICAL CONNECTOR 14/07/93 Initial

6010002-52-1 SB AIRSTAIR INSTALLATION-INTRO OF GEN. IMPROVMT PKGE 04/05/94 Initial6010002

6010002-52-1 SB AIRSTAIR INSTALLATION-INTRO OF GEN. IMPROVMT PKGE 04/05/94 Initial6010003

6010032-52-1 SB AIRSCALATOR - REPLACEMENT OF ELECTRICAL LINK 20/01/99 Initial6010032

6010032-52-1 SB AIRSCALATOR - REPLACEMENT OF ELECTRICAL LINK 20/01/99 Initial6010032-1

6020205-52-1 SB HANDRAIL ASSEMBLY - INCREASED GAS STRUT PRESSURE 30/01/96 1 28/03/966020205

6020303-52-1 SB PASSENGER DOOR HAND RAIL - INTERIM REINFORCEMENT 10/06/94 1 10/06/946020203

6020303-52-2 SB PASSENGER DOOR HANDRAIL ASSEMBLY - NEW DESIGN 11/10/93 1 10/12/936020203

664D100-52-3 SB Cargo Lift and Latch Actuator 14/03/11 Initial664D100-7

72433-32-01 SB Modification of Nose Wheel Steering Unit 26/08/16 1 23/03/1772433-5 SB For Eaton LA

72433-32-01 SB Modification of Nose Wheel Steering Unit 26/08/16 1 23/03/1772433-6 SB For Eaton LA

73-2 SB ENGINE FUEL AND CONTROL - FUEL BOOST PUMP INSTALL RESTRICTION PLUGS

15/03/62 Initial64-1119-2


15/03/62 Initial64-1119-3


15/03/62 Initial64-1119-4


15/03/62 Initial64-1119-5

73-3 SB ENGINE FUEL AND CONTROL - FUEL BOOST PUMP INSTALL BRACKET BEARING ASSEMBLY SPACER AND/OR SHIMS

01/10/64 Initial64-1119-2


01/10/64 Initial64-1119-3


01/10/64 Initial64-1119-4


01/10/64 Initial64-1119-5

73-4 SB ENGINE FUEL AND CONTROL - FUEL BOOST PUMP ENLARGE RESTRICTION HOLES OR REMOVE RESTRICTION PLUGS

15/11/67 Initial64-1119-2


15/11/67 Initial64-1119-3


15/11/67 Initial64-1119-4


15/11/67 Initial64-1119-5

73-5 SB ENGINE FUEL AND CONTROL - FUEL BOOST PUMP INSTALL IMPROVED COUPLING

15/01/77 Initial64-1119-2


15/01/77 Initial64-1119-3


15/01/77 Initial64-1119-4


15/01/77 Initial64-1119-5

7405000-1 SB TARGET BOAT - IMPROVED RADIO INTERFERENCE SUPPRESS 01/01/79 1 01/12/80

75-0001-28-001 SB Introduction of New Motor Controller 17/12/15 Initial75-0001-1400

75-0001-28-001 SB Introduction of New Motor Controller 17/12/15 Initial75-0001-1500

7901039F-28-1 SB INTRO OF PR FACILITY AND FOULING PIN 01/04/85 Initial

7901067F-28-1 SB SPV - INTRO OF FOULING PIN 01/03/85 Initial7901067F

79-20-02-6011 SB SCAVENGE OIL FILTER- VENDOR MOD FRM6011 01/02/74 Initial

79-20-02-6023 SB OIL SCAVENGE FILTER - WARNING LABEL & SPIGOT 2 01/08/74

7923261M-28-1 SB INTRO OF A NEW ACTUATOR TO MOT.SP/NRV PN 7923261M 17/12/92 Initial

7923267J-28-1 SB INTRO OF A NEW ACTUATOR TO MOT.PR/SPV PN 7923267J 17/12/92 Initial7923267J

7923268L-28-1 SB INTRO OF A NEW ACTUATOR TO MOT.SPV PN 7923268L 17/12/92 Initial79232686L

79-30-22954 SB CONTENTS TX - MOD NO 22954 01/11/73 Initial

7940023F-38-10-1 SB POT. WATER SYSTEM - CHARGING VALVE REMOVAL OF PTS 01/05/89 Initial7940023F

7945201H-38-1 SB MOT. VALVES - ALTVE MOTORS 01/04/77 1 01/03/817945201H

7945201H-38-1 SB MOT. VALVES - ALTVE MOTORS 01/04/77 1 01/03/817945202H

82-15-4247-284 SB WATER METH VALVE - CHANGE OF SO LEVEL 01/08/68 1 30/01/680726290

8240-28-01-2713 SB Initial

8240-28-02-2717 SB Initial

8240-28-03 SB MINOR DESIGN CHANGES 13/11/91 Initial568-1-26713

8240-28-04-2730 SB Introduction of Mk 4 pump incorporating improved means of vapour cone dispersion

05/03/86 Initial568-1-26713-001


05/03/86 Initial568-1-26713-002


05/03/86 Initial568-1-26713-003

8240-28-05 SB Introduction of Mk 5 pump incorporating split bearing for rotor journal support

04/04/90 Initial568-1-26713

8240-28-06 SB Minor design changes 13/11/91 Initial568-1-26713




8240-28-07 SB Minor design changes 13/11/91 Initial568-1-26713-004





8240-28-09 SB INTRO IMPREG. ROTOR ASSY 01/02/00 Initial568-1-26713-004

8240-28-09 SB INTRO IMPREG. ROTOR ASSY 01/02/00 Initial568-1-26713-005

8240-28-10 SB INTRO WELDED ROTORS ASSY 02/02/00 Initial568-1-26713-004

8240-28-10 SB INTRO WELDED ROTORS ASSY 02/02/00 Initial568-1-26713-005

82-40-4-0799-034 SB MFLI - KILOS IN LIEU OF IMP GALS 01/06/74 Initial

828200-73-001 SB ENGINE AND CONTROL-FUEL PUMP-INTRODUCTION OF NEW MAIN DRIVE SHAFT AND RETAINING RING

14/06/13 A 15/08/14828200-2

8410-28-01 SB FUEL BOOSTER PUMP - MINOR DESIGN CHANGE 10/01/92 Initial568-1-27202-002 BASIC MANUAL

8410-28-02 SB Minor design change 07/07/94 Initial568-1-27202-002 BASIC MANUAL

8410-28-03 SB Introduction of Mk 5 12/04/96 1 01/09/11568-1-27202-002 BASIC MANUAL

8410-28-03 SB Introduction of Mk 5 12/04/96 1 01/09/11568-1-27202-005 BASIC MANUAL

8410-28-04 SB Nut locking on pump, Type 8410 02/05/06 Initial568-1-27202-005 WAS SIL-CS-3-06

8410-28-05 SB MODIFY 8410 MK2 & MK5 PUMPS 02/10/06 Initial568-1-27202-002

8410-28-05 SB MODIFY 8410 MK2 & MK5 PUMPS 02/10/06 Initial568-1-27202-005

8410-28-05 SB MODIFY 8410 MK2 & MK5 PUMPS 02/10/06 Initial568-1-27202-02R

8410-28-06 SB Introduction of Improved Pump 04/03/11 Initial568-1-27202-002




8410-28-06 SB Introduction of Improved Pump 04/03/11 Initial568-1-27202-02R

8410-28-06 SB Introduction of Improved Pump 04/03/11 Initial568-1-27202-05R

8411-28-01 SB Minor design change (Outlet valve sealing disc & washer) 18/09/96 Initial568-1-27203-002

8411-28-01 SB Minor design change (Outlet valve sealing disc & washer) 18/09/96 Initial568-1-27244-002

8411-28-03 SB Introduction of New Canister & NRV 17/03/11 Initial568-1-27203-001






8413-28-01 SB Minor design changes 07/11/91 Initial 07/11/91568-1-27170-001




8413-28-03 SB Introduction of SS drain plus - Introduction of terminal tag - Minor design changes

05/12/95 Initial 05/12/95568-1-27170-001

8413-28-03 SB Introduction of SS drain plus - Introduction of terminal tag - Minor design changes

05/12/95 Initial 05/12/95568-1-27170-002

8414-28-01 SB Mounting Plate Type 8414 - Improved bonding path - Minor Design Change

29/03/99 Initial568-1-27171-001

8414-28-02 SB Fuel - Mounting Plate Type 8414 - Minor Design Change 02/06/99 Initial568-1-27171-001

8712-28-01 SB Fuel Pump Type 8712 - Removal of possible interference fit of DC motor

17/11/99 Initial568-1-27863-001

8712-28-01 SB Fuel Pump Type 8712 - Removal of possible interference fit of DC motor

17/11/99 Initial568-1-27863-002

8712-28-02 SB Addition of fittings to allow microswitch indication of end of travel 21/07/00 Initial568-1-27863-002

8810-28-01 SB Introduction of Mk 2 pump with improved fuse retention 10/06/94 Initial568-1-28300-001

8810-28-02 SB Upgrade installation sealing rings 14/05/98 1 13/09/99568-1-28300-001

8810-28-02 SB Upgrade installation sealing rings 14/05/98 1 13/09/99568-1-28300-002

8810-28-03 SB Conversion of Mk1 & Mk2 Pumps to Mk3 & Mk4 Pumps 02/07/01 Initial568-1-28300-001



8810-28-04 SB Introduction of Pump 8810 Mk101 21/12/05 Initial568-1-28300-100 BASIC MANUAL

8810-28-04 SB Introduction of Pump 8810 Mk101 21/12/05 Initial568-1-28300-101 BASIC MANUAL

8810-28-05 SB Intro of new pumps Mk102 and 103 25/05/12 1 07/05/13568-1-28300-100




8810-28-06 SB Inspection for Cavitation Erosion Damage 09/11/17 Initial 09/11/17568-1-28300-101



8811-28-01 SB Minor design change 14/08/92 Initial568-1-28301-003

8811-28-02 SB INTRODUCTION OF A SPECIALLY MODIFIED CANISTER 20/07/01 Initial568-1-28301-003

8811-28-02 SB INTRODUCTION OF A SPECIALLY MODIFIED CANISTER 20/07/01 Initial568-1-28301-03X

8903000-5-28-1 SB FILTER/BY-PASS NRV ASSY 15/10/96 Initial8903000-5

9106-28-01 SB 9106 - Conversion Mk1 pump to Mk2 21/03/96 Initial568-1-29115-002 BASIC MANUAL

9106-28-02 SB Introduction of New Shaft and Rotor Assy 20/04/99 Initial568-1-29115-001 BASIC MANUAL

9106-28-02 SB Introduction of New Shaft and Rotor Assy 20/04/99 Initial568-1-29115-002 BASIC MANUAL

9106-28-03 SB Conversion of Mk2 Pump to Mk4 Pump 04/05/01 Initial568-1-29115-002 BASIC MANUAL

9106-28-04 SB Type 9106 Pump - Inducer Drive Pin Check 22/07/02 1 20/11/03568-1-29115-002

9106-28-04 SB Type 9106 Pump - Inducer Drive Pin Check 22/07/02 1 20/11/03568-1-29115-004

9106-28-05 SB 9106 Pump - Intro of Alt Rotor Assemblies 28/02/03 Initial 28/02/03568-1-29115-001 BASIC MANUAL

9106-28-05 SB 9106 Pump - Intro of Alt Rotor Assemblies 28/02/03 Initial 28/02/03568-1-29115-002 BASIC MANUAL



9107-28-01 SB Conversion of Mk1 & Mk2 Housings to Mk2 & Mk3 Housings 28/06/01 Initial 28/06/01568-1-29116-001 BASIC MANUAL







9107-9603-28-01 SB Introduction of New Boost Pump Housing 09/04/13 Initial568-1-29116-001







9108-28-01 SB INTRO. OF NEW INDUCER, STATOR AND EXTRACTION HANDLE 18/07/05 Initial568-1-29117-002 BASIC MANUAL

9108-28-01 SB INTRO. OF NEW INDUCER, STATOR AND EXTRACTION HANDLE 18/07/05 Initial568-1-29117-003 BASIC MANUAL

9109-20107-28-1 SB FUEL - Jettison Pump - Introduction of New Housing 09/04/13 Initial568-1-29118-002






9201000-13-38-1 SB FLOAT SW - INTRO OF NEW REED SW'S & FLOAT ASSY 01/07/85 Initial9201000-13

9201000-13-38-2 SB FLOAT SW - INTRO OF NEW IMPROVED FLOAT ASSY 01/07/85 Initial9201000-13

9201000-28-1 SB INTRO OF NEW FLOAT ASSY 01/06/77 Initial9201000-124





9201000-28-2 SB CONTENTS TX - ALTVE SPRING IN RELIEF VALVE 01/11/77 Initial9201000-124





9201000-28-3 SB PREVENTION OF NOISE AROUND OUTLET 01/05/78 Initial9201000-198






9201000-28-4 SB CONTENTS TX - ENLARGEMENT OF HOLES IN MTG FLANGE 01/07/84 Initial9201000-219

92015-77-01 SIL Conformal Coating Check 06/04/10 Initial 06/04/10SFR92015-1

920422-29-05 SB Electric Motor Driven Hydraulic Pump Package Assembly 22/07/13 Initial920422

9209-28-01 SB Minor design change (New valve spring) 08/10/01 Initial 08/10/01568-1-29684-001

9300141-29-1 SB COUPLED 1IN AND 5/8IN SPV - LEAKAGE PROBLEM 08/07/98 Initial9300141

9300216-29-1 SB INTRO OF A NEW ACTUATOR AND COUPLED VALVE 29/11/93 1 07/01/049300216

9301209-21-1 SB FUEL THROTTLE VALVE - CHANGE OF GREASE 01/03/77 Initial9301209



933578-29-01 SB Optional Mounting Flange & Inserts Assy 30/08/13 Initial933578

933578-29-02 SB Rotate Differential Pressure Indicator 30/08/13 Initial933578

9409122-24-1 SB ACTUATOR MANUAL CONTROL KNOB - INCREASED TORQUE 29/10/98 Initial9409122

9507305-28-1 SB VENT FLOAT VALVE - INTRO OF NEW FLOAT ASSY 01/06/84 1 01/12/849507080 THIS SB WAS CANCELLED

9507305-28-1 SB VENT FLOAT VALVE - INTRO OF NEW FLOAT ASSY 01/06/84 1 01/12/849507305 THIS SB WAS CANCELLED

9602-28-01 SB INTRO OF NEW INDUCER, STATOR, EXTRACTION HANDLE AND MINOR REWORK

18/07/05 Initial568-1-30080-001 BASIC MANUAL

9602-28-01 SB INTRO OF NEW INDUCER, STATOR, EXTRACTION HANDLE AND MINOR REWORK


964D100-52-1 SB Cargo Door Lift and Latch Actuator 09/06/11 Initial964D100-1

974540-29-07 SB Reduced Diameter Pistons 06/03/12 Initial974540

974540-29-08 SB Introduction of New Cooling Fan 06/04/17 Initial 06/04/17974540

974800-000-29-02 SIL Leakage Inspection 18/07/16 Initial974800

974976-29-03 SIL Leakage Inspection 18/07/16 Initial974976

9807-1 SB NRV - CONVERSION FOR FUEL AND HOT AIR 23/09/63 Initial

9811778-38-1 SB POTABLE WATER SYSTEM - AIR RELIEF VALVE 01/11/88 Initial9811778 Date was 01-03-90

9811778-38-1 SB POTABLE WATER SYSTEM - AIR RELIEF VALVE 01/11/88 Initial9811880 Date was 01-03-90

9811820-28-1 SB CHECK VALVE - NEW SPECIFICATION FOR O-RING 20/10/95 Initial9811820

9813365-28-1 SB AIR RELEASE VALVE - MODIFIED VALVE TO MEET SPEC 01/04/88 2 01/04/889813395

9813395-28-1 SB AIR RELEASE VALVE-MODIFICATION TO UPPER BODY ASSY 03/01/96 Initial9813395

9813395-28-1 SB AIR RELEASE VALVE-MODIFICATION TO UPPER BODY ASSY 03/01/96 Initial9813445

9813445-28-1 SB AIR RELEASE VALVE-FLOAT ASSY SPECIFIC GRAVITY 25/11/96 Initial9813445

9813445-28-1 SB AIR RELEASE VALVE-FLOAT ASSY SPECIFIC GRAVITY 25/11/96 InitialFRH280002

9813445-28-2 SB FLOAT ASSY SPECIFIC GRAVITY 30/03/04 Initial9813395

9813445-28-2 SB FLOAT ASSY SPECIFIC GRAVITY 30/03/04 Initial9813445

9813445-28-2 SB FLOAT ASSY SPECIFIC GRAVITY 30/03/04 InitialFRH280002



9815500-28-1 SB NRV - PREVENTION OF SPIDER ROTATION 01/09/77 Initial9815500

9840071-H-28-1 SB FUEL SYSTEM NRV - INTRO OF MODIFIED SPRING 01/01/86 Initial9840071-h

9840071-H-28-1 SB FUEL SYSTEM NRV - INTRO OF MODIFIED SPRING 01/01/86 Initial9843043-h

9843032R-28-1 SB 3in DIA NRV - INWARD VENTING 19/08/96 Initial9843032R

AC24-01-303 SB Actuator Motor Type C1305/A etc - Introduction of tapered brake plate

12/09/62 Initial

AC24-02-339 SB Cub Jaguar Actuator, 500-1-00148-001 - Change of lubricant 12/09/62 Initial

AC24-06 SB Initial

AC24-09-409 SB Cub Jaguar Actuator 500-1-00150-001 - Change of lubricant 14/02/64 Initial

AC24-10-416 SB Cub Jaguar Actuators 500-1-00148-001 & /003, 500-1-00150-001, 500-1-00070-001, 1CZ135840/B/3 - Intro

09/03/64 Initial

AC24-12-374 SB Rationalised Jaguar Actuator 500-1-00257-002 - Introduction of new clutch disc assy - VC10

03/04/64 Initial

AC24-13-399 SB Motor 4CZ95868 used on Cub Jaguar Actuators - Introduction of ringnut and grub screw on armature sha

03/04/64 Initial

AC24-14-444 SB Cub Jaguar Actuator 500-1-00930-001 - Introduction of stainless steel shims

17/04/64 Initial

AC24-15-458 SB Motor 501-1-05490 used on Aileron trim strut 500-1-00299 - Introduction of ring and grub screw on ar

23/04/64 Initial

AC24-16 SB Squirrel Actuator 500-1-02640-001 - Introduction of a collar in lieu of outer cam

12/05/64 Initial

AC24-17-421 SB Cub Jaguar Actuator 500-1-00930-001 - Change of oil seal and lubricant

03/06/64 Initial

AC24-18 SB Squirrel Actuators, 1CZ136480 and /2, 1CZ136530/1 - Introduction of thin flanged collar on plug moun

16/07/64 Initial

AC24-19-484 SB Chipmunk Actuator 500-1-02380 - Introduction of new annulus and distance piece on differential assem

21/08/64 Initial

AC24-20-485 SB Chipmunk Actuator 500-1-02380 - Introduction of motor type C1305E/17

21/08/64 Initial

AC24-21-345 SB Jaguar Actuator CZ77917F - Redesigned plunger seal and leadscrew housing

28/01/65 Initial

AC24-22-346 SB Jaguar Actuator 1CZ135830/A - Redesigned plunger seal and leadscrew housing

28/01/65 Initial

AC24-23-347 SB Jaguar Actuator 1CZ135470/B & /D - Redesigned plunger seal and leadscrew housing

28/01/65 Initial

AC24-24-348 SB Jaguar Actuator 1CZ136080/A - Redesigned plunger seal and leadscrew housing

28/01/65 Initial

AC24-25-363 SB Jaguar Actuator - Redesigned plunger seal and leadscrew housing 28/01/65 Initial

AC24-27-390 SB Rationalised Jaguar Actuator 500-1-00257-002, 500-1-00257-300 - Change of lubricant

11/01/65 Initial

AC24-28-510 SB Jaguar Actuator 500-1-00445-001 - Introduction of plunger oil seal nitrile rubber

14/12/64 Initial

AC24-29-525 SB Rationalised Jaguar Actuator 500-1-03000-001 - Introduction of motor with balanced armature, new bea

15/03/65 Initial

AC24-30-530 SB Rationalised Jaguar Actuator 500-1-03313-001 - Deletion of Silicone items and change of stroke

15/03/65 Initial

AC24-31 SB Motor 501-1-05940 used on Kite motor gearbox 500-1-01871 & 72 - Introduction of weaker brake spring

13/09/65 Initial

AC24-32-556 SB Kit motor gearbox 500-1-01872 - Cover mod. for all previous mods 13/09/65 Initial

AC24-33 SB Motor 501-1-05940 used on Kite motor gearboxes 501-1-01871 & 72 - Introduction of riveted brake assy

13/09/65 Initial

AC24-34-574 SB Jaguar Actuator 1CZ81200/2/A - Introduction of motor with reinforced armature

21/10/65 Initial

AC24-35-577 SB Jaguar Actuator CZ64521 and /1 - Introduction of new plunger coupling bolt

Initial

AC24-36 SB Rationalised Jaguar Actuator 500-1-03355-001 - Re-orientation of the front eye end assy

01/11/65 Initial

AC24-37-532 SB Rationalised Jaguar Actuator 500-1-03257-002 and /301 - Introduction of improved motor etc

01/03/66 Initial

AC24-38-592 SB Kite Motor Gearbox 500-1-01871 - Cover mod. for all previous mods 01/02/66 Initial

AC24-39 SB Motor type S1110 C/5 501-1-05940 Initial

AC24-40-547 SB Jaguar Actuator CZ64337/1/M - Introduction of Actuator with improved sealing

16/03/66 Initial

AC24-41 SB Motor S1110 C/5 Kite - Introduction of improved brake plate locking 02/04/66 Initial

AC24-42-456 SB Squirrel Actuator 1CZ136480 & /2, 1CZ136530/1 Motor C1606B/37, 4CZ92990 - Introduction of an improve

23/04/66 Initial

AC24-43 SB Motor S1110 C/5 501-1-05940 - Used on Kite 500-1-01871 & 72 - Change of bearings

25/04/66 Initial

AC24-44-572 SB Jaguar Actuators CA63626/2/A etc, 5001-100925-001 & /002, CZ77917 & /F, 500-1-01517-001 & /002, 1CZ1

23/06/66 Initial

AC24-45-550 SB Rationalised Jaguar Actuators 500-1-0257-002, 500-1-00257-301, 500-1-03355-001 & /600 - Introduction

09/09/66 Initial

AC24-46-554 SB Rationalised Jaguar Actuators 500-1-03355-001 - Change of plunger assy

09/09/66 Initial

AC24-47 SB Dart Fuel Trim Actuators - Ingress of moisture 14/02/67 Initial

AC24-48-640 SB Cub Jaguar Actuators 5001-100148-001 & 003, 500-1-00150-001 - Change of plunger oil seal

24/02/67 Initial

AC24-49-653 SB Kite Actuators 500-1-01871 &72 - Introduction of improved motor assy

23/08/67 Initial

AC24-50-660 SB Jaguar Actuator 500-1-01518-001 - Introduction of one piece cover 27/09/67 Initial

AC24-51-661 SB Jaguar Actuator 500-1-00925-001 & /002 - Introduction of one piece cover

28/09/67 Initial

AC24-52-662 SB Jaguar Actuator 500-1-01517-001 & /002 - Introduction of one piece cover

28/09/67 Initial

AC24-53-663 SB Jaguar Actuator 500-1-01520-001 - Introduction of one piece cover - 28/09/67 Initial500-1-01520-001

AC24-54-651 SB Raven Actuator 1CZ136490 - Introduction of motor with new bearings

08/11/67 Initial

AC24-55-678 SB Raven Actuator 1CZ136490 - Increase of actuator speed 08/11/67 1 01/12/67

AC24-56-695 SB Kestrel Actuators 1CZ135640, 500-1-02880 - Change of switch assemblies

29/01/68 Initial



AC24-57 SB Motor type S1110 E/9 500-1-07770 - Kite Gearboxes - Introduction of improved brake lining

01/04/68 Initial

AC24-58-601 SB Squirrel Actuator 1CZ136480 and /2 - Introduction of Motor fitted with Fafnir bearings

10/01/69 Initial

AC24-59-737 SB Aileron Trim Strut, 500-1-00299 - Introduction of improved potentiometer

29/04/69 Initial

AC24-60-794 SB Jaguar Actuator, CZ64521/1 - Introduction of new plunger assembly 24/02/70 Initial

AC24-61-766 SB Cub Jaguar Actuator, 1CZ80360/A/4 - Introduction of stainless steel plunger

02/06/70 Initial

AC24-62-810 SB Kite Motor Gearbox, 500-1-01871 and 500-1-01872 Motor Type S1110E/9 501-1-07770 - Introduction of im

13/08/70 Initial

AC24-63-813 SB Jaguar Actuator, 1CZ136810/2A and /2B - Introduction of improved switch mounting assemblies

01/09/70 Initial

AC24-64-867 SB Kite, 500-1-01871 and 72 - Introduction of an alternative capacitor 01/10/71 Initial

AC24-65-878 SB Kite Motor Gearbox, 500-1-01871 and 72 - Change of brake lining 16/05/72 Initial

AC24-70-1084 SB Kite, 500-1-01871 and 01872 - Introduction of riveted brake assembly

13/07/77 Initial

AC24-71-974 SB Fox Actuator - Introduction of new desynn transmitter 12/09/77 Initial

AC30-01-301 SB Jaguar Actuator, 1CZ135460/A - Redesigned plunger seal and leadscrew housing

29/05/62 Initial

AC36-74-1230 SB Introduction of Kite Actuators with permanent friction load on motor brake (Normalair/Garret use onl

02/11/83 Initial

AC73-67-934 SB Actuator 5 Position Cub Mole, 500-1-20700-001 - Introduction of improved indicator quadrant

25/09/73 Initial

AC75-66-894 SB 3 inch Motorised Valve, 500-1-20540 - Change of 3 in. butterfly valve 23/11/72 Initial

AC75-68 SB Jaguar Rotary Actuator, 500-1-20540 - Change actuator resilient stop retainer and housing assy

16/07/75 Initial

AC75-69-1068 SB Shrew Actuator, 500-1-20740-001 - Introduction of insulating cap 28/06/77 Initial

AC75-72-1117 SB Shrew Actuator - Change of limit switches 14/09/79 Initial

AE86773K-29-01 SB Quick Disconnect Coupling InitialAE86773K

AO316-S1 SB GATE VALVE 01/03/71 Initial

B11500-52-1 SB PX DOOR CABLE ASSYS - REPAIR TO OUTER SLEEVES 28/09/98 1 23/03/99B11500

B11500-52-1 SB PX DOOR CABLE ASSYS - REPAIR TO OUTER SLEEVES 28/09/98 1 23/03/99B11501

BP73-01 SB BP34 Mk 6. Introduced of S.15 rotor bearings. 16/12/62 Initial

BP73-02 SB BP34 Mk 6. Introduced of a chamfer on carbon seals. 25/02/63 Initial

BP73-03 SB BP200 Mk 4. Removal of nitriding white layer from rotor and blades. 30/09/64 Initial

BP73-05 SB BP200 Mk 4. Introduction of Quill shaft with silver plated serrations. 17/12/65 1 11/01/66

BPTY73-01 SB BP34 Mk 6. Rectification of installation fouls 01/03/61 1 02/05/61

BPTY73-63 SB BP34 Mk 6. Change to provide spring clearance. 12/06/61 Initial

BPTY73-64 SB BP34 Mk 6. Introduction of a spherical ended centre pin. 12/06/61 Initial

BPTY73-65 SB BP34 Mk 6. Improved relief valve seat. 06/07/61 Initial

BPTY73-92 SB BP34 Mk 6. Orientation of oil catch plate. 18/12/61 Initial

C14810-52-1 SB OIL RESERVOIR - IMPROVED PISTON 07/07/94 1 27/10/94C14810

CO24-01-169 SB Introduction of resistors (118.5 ohms). 27/05/63 Initial

CO24-02-433 SB Introduction of diode (200 piv) in lieu of diode (50 piv). 17/04/64 Initial

CO24-03-533 SB Introduction of new resistors, transductor and modified transformer. 12/05/65 Initial

CO30-05-672 SB Change of rectifiers. 11/01/69 Initial

CO30-06-671 SB Addition of diodes and deletion of capacitor. 04/07/68 Initial

CO30-07-759 SB Change of transistor and deletion of diode. 04/06/69 1 29/04/70

CO30-08-782 SB Deletion of cable clamps. 15/10/69 Initial

CO30-09 SB Modified SCR gate firing circuit. 10/06/71 1 12/09/72

CO30-10-943 SB Change of resistors. 25/06/73 Initial

CO30-11-966 SB Change of potentiometer and resistor. 14/01/74 Initial

CO30-12-997 SB Change of contactor terminal screws. 06/09/74 Initial

CO30-13-998 SB Replacement of two diodes with two resistors. 06/09/74 Initial

CO30-14-1056 SB Addition of additional test and ‘select on test resistor’ if required. 05/08/76 Initial

CO30-15-1083 SB Addition of negative spike suppression diode. 19/05/77 Initial

CO30-16 SB Introduction of improved controller module. 06/09/78 Initial

CO73-17 SB Introduction of improved controller circuit board. 26/10/79 Initial

CSD24-001 SB Low pressure warning switch - Removal of switch from lubricating pump outlet to gearbox.

28/05/65 Initial

CSD24-002 SB Gearbox - Change of planet shaft material. 12/04/65 Initial

CSD24-003 SB Gearbox - Introduction of a larger diameter disconnect locking pin. 12/04/65 Initial

CSD24-004 SB Air Motor - Change of phasing gear material. 12/04/65 Initial

CSD24-005 SB Introduction of ozone metal products filler. 24/05/65 1 20/08/66

CSD24-006 SB Introduction of an omnibus modification to cover all development modifications.

24/05/65 Initial

CSD24-007 SB Air Motor - Introduction of end housing retaining screws. 07/06/65 Initial

CSD24-008 SB Pressure Regulating Valve - Introduction of piston ring carrier with repositioned piston ring groove

17/06/65 Initial

CSD24-009 SB Introduction of a Plessey manufactured oil pressure switch. 14/06/65 1 15/02/66

CSD24-010 SB Gearbox - Introduction of a disconnect capability at 15 psi. 17/06/65 1 02/08/66

CSD24-011 SB Introduction of a gasket at air motor and gearbox joint. 17/06/65 Initial

CSD24-012 SB Air Control Valve - Introduction of piston with circumferential groove. 01/09/65 Initial

CSD24-013 SB Deletion of air motor and air control valve outlet ducts from build standard.

23/07/65 Initial

CSD24-014 SB Introduction of a redesigned sprag clutch. 07/01/66 Initial

CSD24-015 SB Introduction of unit for installation on engine with Spey Mod 2030 incorporated.

27/07/65 1 22/02/66

CSD24-016 SB Pressure Regulating Valve - Introduction of a conical shaped relief valve.

12/10/65 1 25/10/65



CSD24-017 SB Resetting of overspeed trip. 06/08/65 Initial

CSD24-018 SB Selection of disconnect switch. 06/08/65 Initial

CSD24-019 SB Gearbox - Introduction of an oil weir in the output shaft and sungear. 07/09/65 1 30/09/66

CSD24-020 SB Revised operating pressure of the oil pressure switch introduced by Mod C640.

24/09/65 Initial

CSD24-021 SB Introduction of governor oil tank filter. 22/10/65 1 02/08/66

CSD24-022 SB Air Motor - Introduction of steel rotors. 18/10/65 Initial

CSD24-023 SB Air Motor - Increase of rotor tip clearances. 18/10/65 Initial

CSD24-024 SB Reduction of air pressure losses between the PRV and disconnect chamber.

01/04/66 1 15/09/67

CSD24-025 SB Oil Pressure Switch - Introduction of a reinforced rubber gasket. 17/12/65 1 17/01/66

CSD24-026 SB Oil Pressure Switch - Introduction of a longer lead. 17/12/65 Initial

CSD24-027 SB Pump and Governor - Improved location of governor orifice seal. 31/05/66 Initial

CSD24-028 SB In order to prevent confusion or inconvenience to the operator, it is essential that Mod C644 is emb

22/02/66 Initial

CSD24-029 SB Air Motor - Introduction of shorter studs. 30/03/66 Initial

CSD24-030 SB PRV/Vent Valve - Increased area of passages. 01/04/66 1 30/09/66

CSD24-031 SB Governor - Reduction of axial load on governor bearing. 10/06/66 Initial

CSD24-032 SB Air Control Valve - Deletion of recesses in hydraulic block LP body. 01/04/66 Initial

CSD24-033 SB Air Motor - Introduction of end cover locating pin. 20/06/66 Initial

CSD24-034 SB Oil Pressure Switch Lead - Introduction of grommet sealing plug. 20/06/66 Initial

CSD24-035 SB Overspeed Vent Valve - Introduction of larger mesh filter. 06/10/66 Initial

CSD24-036 SB Air Control Valve - Introduction of spring and locators in actuator shaft and removal of orifice at

11/07/66 1

CSD24-037 SB Pump and Governor Unit - Introduction of steel anti-rotation sleeve. 14/09/66 1 28/02/67

CSD24-038 SB Pump and Governor Unit - To facilitate flywheel shaft bearing change.

21/05/68 Initial

CSD24-039 SB Introduction of solenoid support bracket. 11/07/66 Initial

CSD24-040 SB Introduction of a modified air motor quillshaft. 15/01/67 Initial

CSD24-041 SB Governor Oil Tank - Rework of fixing lug. 20/08/66 Initial

CSD24-042 SB Pump and Governor - To replace the pump driven gear seal back-up ring with a solid type ring in PTFE

12/02/67 Initial

CSD24-043 SB Pressure Switch - Inadvertent fitment of shortened screws retaining the mounting plate.

21/12/66 Initial

CSD24-044 SB Clutch Shaft Bearing Housing - Rework to facilitate assembly. 27/01/67 Initial

CSD24-045 SB Pump and Governor Assembly - Introduction of moulded rubber seal to pump end cover.

12/01/67 Initial

CSD24-047 SB Start Solenoid Valve - Introduction of anti splash plate. 05/05/67 1 18/03/68

CSD24-048 SB Disconnect Latch Pin - To provide adjustment for initial setting. 03/08/67 Initial

CSD24-049 SB Pump and Governor Unit - Introduction of restricted oilway in pump drive gear.

11/05/67 1 11/01/68

CSD24-050 SB Pressure Regulating Valve - Introduction of spindle with increased diameter thread.

28/06/67 1 01/03/68

CSD24-051 SB Start Valve and Solenoid Assembly - Addition of sleeves to coil leads to prevent chaffing.

27/06/67 Initial

CSD24-052 SB Gearbox Actuator Ring - Rework to prevent possibility of jamming during disconnect.

27/06/67 Initial

CSD24-053 SB Gear Train Assembly - Introduction of crowded rollers to the planet gear bearings.

27/06/67 Initial

CSD24-054 SB Introduction of axial flow lubrication to the sprag clutch assembly. Initial

CSD24-055 SB Gearbox - To prevent oil seepage in vicinity of the oil pump suction pipe.

03/08/67 1 23/10/67

CSD24-056 SB Introduction of 800 lb.ft shear neck to input shaft. 21/09/67 1 06/11/67

CSD24-057 SB Governor System - Removal of filter assembly. 31/10/67 Initial

CSD24-058 SB Pressure Switch Connector Assembly - Improved insulation to overcome environmental conditions.

27/09/67 1 19/02/68

CSD24-059 SB Air Motor - Introduction of improved sealing gasket. 17/10/67 1 19/09/68

CSD24-060 SB To introduce modification covering all existing Mods on the unit. 24/10/67 Initial

CSD24-061 SB Lubricating Pump and Oil Tank Bleed Pipe - Introduction of improved fixing at the gearbox joint.

23/04/68 Initial

CSD24-062 SB Pump and Governor - Introduction of improved relief valve assembly. 21/11/67 1 27/09/68

CSD24-063 SB Gearbox - Introduction of increased diameter bolts to secure the sprag clutch housing.

01/12/67 1 14/11/68

CSD24-064 SB Pressure Regulating Valve - Introduction of improved quality piston rings.

13/12/67 Initial

CSD24-065 SB Introduction of improved air motor casing. 01/01/68 Initial

CSD24-066 SB Introduction of an improved sight glass assembly. 10/06/68 Initial

CSD24-067 SB Air Control Valve - Introduction of a PTFE bush to the HP body. 07/03/68 1 12/09/68

CSD24-068 SB Start Valve and Solenoid - Improved fitment of valve head to valve plunger.

23/01/69 Initial

CSD24-069 SB Pump and Governor Unit - To replace the driven gear back up ring with a double delta seal.

11/01/68 Initial

CSD24-070 SB Air Control Valve - Introduction of double delta seal. 11/01/68 Initial

CSD24-071 SB Gearbox - Increased trip speed of overspeed trip. 19/01/68 1 11/03/68

CSD24-072 SB Pump and Governor - Improved alignment of pump gear and gear box drive.

22/01/68 2 04/09/68

CSD24-073 SB Gearbox - Introduction of lift off type sprag clutch. 02/02/68 1 25/09/68

CSD24-074 SB Pressure Regulating Valve - Introduction of piston ring pack assembly.

20/02/68 Initial

CSD24-075 SB Gearbox - Change of material of idler gear and centrifugal breather assembly vane plates.

27/02/69 Initial

CSD24-076 SB Assembly of lubrication oil pump. 20/06/68 Initial

CSD24-077 SB Idler Gear and Centrifugal Breather - Improved security of vane plates.

01/04/68 Initial



CSD24-078 SB Gearbox - Introduction of two vent holes above the oil level in the web of the front casing.

25/04/68 Initial

CSD24-079 SB Gearbox Oil Levels - affect of modification C721. 02/05/68 Initial

CSD24-080 SB Pressure Regulating Valve - Introduction of a separate test schedule for the relief valve assembly.

05/07/68 1 22/04/69

CSD24-081 SB Cross reference of tool numbers. 01/07/68 1 17/12/68

CSD24-082 SB Reconnection after disconnection. 05/09/68 Initial

CSD24-083 SB Start Solenoid Valve - Rework of valve body assembly. 07/10/68 Initial

CSD24-084 SB Introduction of Mk 3 and Mk 4. 27/11/68 Initial

CSD24-085 SB Gearbox - Introduction of improved sprag clutch. 10/12/68 1 22/09/69

CSD24-086 SB Gearbox - Design change to planet gear to ensure that the roller track finish is maintained.

10/12/68 Initial

CSD24-087 SB Start Valve and Solenoid - Introduction of solenoid body, label and ring nut assembly.

03/01/69 Initial

CSD24-088 SB Gearbox - Input shaft assembly - Improved rocker pins. 16/01/69 1 26/09/69

CSD24-089 SB Gearbox - Introduction of a new air motor gear and clutch assembly. 11/03/69 1 22/09/69

CSD24-090 SB PRV TO ACV - Introduction of improved vee coupling. 27/02/69 Initial

CSD24-091 SB Jamming of ACV piston. 20/03/69 Initial

CSD24-092 SB Improved clip securing pressure switch connector and lead assembly to the ACV outlet duct.

27/03/69 Initial

CSD24-093 SB Introduction of 800 lb.ft shear neck to input shaft. 13/05/69 Initial

CSD24-094 SB Introduction of an improved sight glass assembly. 20/05/69 1 18/11/69

CSD24-095 SB Rework of gearbox front bearing housing. 23/05/69 Initial

CSD24-096 SB Pressure Switch - Setting the micro switch. 10/06/69 Initial

CSD24-097 SB Gearbox Rear Casing - Plugging of redundant hole. 10/06/69 Initial

CSD24-098 SB Gearbox Front Casing - Deletion of redundant instrumentation tapping hole.

25/07/69 Initial

CSD24-099 SB Overhaul life of unit and components. 12/09/69 1 10/07/70

CSD24-100 SB Option to delete use of pressure switch. 21/10/69 Initial

CSD24-101 SB Gearbox - Improved method of securing the idler gear and centrifugal breather assembly vane plate.

13/11/69 Initial

CSD24-102 SB Option to remove the pressure switch. 31/12/69 1 31/03/70

CSD24-103 SB Air Motor - Rework of end cover bearing carrier. 11/02/70 Initial

CSD24-104 SB Pump and Governor - Introduction of improved ball valve seat. 17/03/70 Initial

CSD24-105 SB Pressure Regulating Valve - Introduction of improved quality piston rings.

17/03/70 Initial

CSD24-106 SB Gearbox - Improved lubrication to Mod C895 standard sprag clutch. 24/03/70 Initial

CSD24-107 SB Gearbox - Introduction of a longer planet shaft to the gear train assembly.

05/05/70 Initial

CSD24-108 SB Pump and Governor - Introduction of matched gears with lubricating hole deleted from the drive gear.

21/07/70 1 27/09/74

CSD24-109 SB Introduction of a new air control valve body and a new governor oil tank body assembly.

08/08/70 Initial

CSD24-110-2013 SB Reduction in the range of roller bearings required to facilitate assembly of the gear train assembly

02/09/70 Initial

CSD24-111 SB Assembly of air motor gear and clutch (Post Mod C739). 20/10/70 Initial

CSD24-112-2034 SB Pump and Governor Unit - Changes to facilitate assembly of the governor shaft and spring assembly (P

20/10/70 Initial

CSD24-113-2013 SB Alternative part number. 23/10/70 Initial

CSD24-114-2012 SB Lubricating Oil Pump - Introduction of improved bush to the filter and relief valve housing.

18/01/71 Initial

CSD24-115-2025 SB Start Valve and Solenoid Assembly - Introduction of double hexagon headed bolts.

22/03/71 Initial

CSD24-116-2026 SB Pressure Reducing Valve Assembly - Introduction of double hexagon headed bolts.

22/03/71 Initial

CSD24-117-2055 SB Gearbox - Idler gear and centrifugal breather assembly - Improved locking for ring nut.

22/04/71 Initial

CSD24-118-2013 SB PRV to ACV - Introduction of alternative avica coupling. 09/06/71 Initial

CSD24-119-2075 SB Gearbox - Improvement in lubrication system. 06/09/71 Initial

CSD24-120-0 SB Damage to pipes. 01/01/72 Initial

CSD24-121 SB Extension of life to ‘on condition’. 09/02/72 1 10/07/74

CSD24-122-2126 SB Introduction of spirolox rings to the planet gears. 13/04/72 Initial

CSD24-123-2060 SB Pump and Governor Unit - Introduction of ‘Conover’ seals. 28/04/72 Initial

CSD24-124 SB Instructions to operators on the inspection and replacement of sheared input shafts.

10/05/72 Initial

CSD24-125-2171 SB Pressure Regulating Valve - Introduction of Ferrogard lubricant to the spacer sleeve and piston mati

31/08/72 Initial

CSD24-126 SB Gearbox - Clarification of current planet gear standards. 12/12/72 Initial

CSD24-127-2211 SB Introduction of 1000 lb.ft shear neck to input shaft. 20/12/72 2 01/08/77

CSD24-128-2231 SB Introduction of 1000 lb.ft input shaft with longer shear section. 20/03/73 2 01/08/77

CSD24-129 SB Start Valve and Solenoid Assembly - Introduction of alternative connector assembly.

19/01/73 Initial

CSD24-130 SB Pressure Regulating Valve - Introduction of improved relief valve assembly.

22/03/73 Initial

CSD24-131 SB Gearbox - Introduction of improved carrier gear gasket. 09/11/73 Initial

CSD24-132-2244 SB Air Motor - Introduction of torque limiting clutch. 26/02/74 Initial

CSD24-133-2094 SB Gearbox - Improved lubrication to the air motor gear and clutch assembly.

14/02/74 Initial

CSD24-134-2168 SB Gearbox - Changes to eliminate oil leakage past the relief valve body.

19/02/74 Initial

CSD24-135-2184 SB Governor Oil Tank - Repair of broken mounting lug. 14/10/74 Initial

CSD24-136-2290 SB Gearbox - Improved idler gear and centrifugal breather assembly. 21/06/76 Initial

CSD24-137-2277 SB Gearbox - Introduction of output drive gear with increased tooth width.

16/08/76 Initial



CSD24-138-2291 SB Pressure Regulating Valve - Introduction of improved bearing surfaces in the pressure reducing valve

18/02/77 Initial

CSD24-139-2357 SB Lubricating Pump Assembly - Introduction of improved filter assembly to facilitate easier cleaning.

06/01/78 Initial

CSD24-140 SB Special procedure for a cleanliness check on CSDS units received at Lamar from Allegheny Airlines.

25/02/77 Initial

CSD24-141-2445 SB Pressure Regulating Valve - Deletion of regulating function and conversion into an on/off valve.

15/07/77 1 14/10/77

CSD24-142-2444 SB Lubrication Pump - Introduction of improved pressure filter with increased filtration area.

Initial

CSD24-143 SB Assembling pump and governor unit to the gearbox. 31/10/78 Initial

CSD24-144-2413 SB Gearbox - Deletion of carrier gear gasket. 04/12/78 Initial

CSD24-145-2478 SB Introduction of CSDS Type 220 Mk 5 with simplified shut-off valve in place of pressure regulating va

06/12/78 2 06/01/81

CSD24-146-2468 SB Introduction of new configuration and location of pump to oil tank lubricating oil pipe assembly.

04/04/79 1 09/07/79

CSD24-147-2471 SB Introduction of oil eye in gearbox as alternative visual indication of safe oil level.

26/11/79 Initial

CSD24-148 SB Pump and Governor Housing - Changes to increase life of transfer tube seal.

04/02/80 Initial

CSD24-149-2542 SB Air Control Valve - Improved static seal on HP block oil transfer sleeve.

13/02/80 Initial

CSD24-150-2539 SB Introduction of CSDS Type 220 Mks 6 and 7 embodying an external filter assembly with improved replac

12/02/80 2 18/10/83

CSD24-151-2540 SB Introduction of sludge trap within the clutch assembly. 28/02/80 Initial

CSD24-152-2541 SB Gearbox - Introduction of two oil eyes as alternative visual indicators of high and low oil levels.

18/09/80 Initial

CSD24-153 SB Lubrication oil pump filter assembly - Cleaning. 14/12/79 Initial

CSD24-155 SB Distortion of butterfly valve linkage. 05/01/81 Initial

CSD24-156 SB Failure of pump to oil tank lubricating oil pipe assembly. 24/07/81 Initial

CSD24-157-2330 SB Governor Oil Tank - Introduction of steel bush in rear mounting lug to overcome possibility of wear.

25/10/82 Initial

CSD24-158-2589 SB Introduction of re-profiled start solenoid mounting bracket and specific location of butterfly valve

17/12/81 Initial

CSD24-159 SB Potential failure of early post Mod 2468 pump to oil tank lubricating oil pipe assembly.

24/07/81 Initial

CSD24-160-2626 SB Introduction of flexible pipes in lieu of pump to oil tank to bleed point rigid pipe assembly.

23/06/82 1 22/06/83

CSD24-161-2627 SB Introduction of improved butterfly valve plate sealing ring. 30/04/82 1 24/06/82

CSD24-162-2616 SB Introduction of ‘P’ clip to support external pipe on butterfly valve. 01/07/82 Initial

CSD24-163-2615 SB Introduction of identity and modification plate to butterfly valve assembly.

01/07/82 Initial

CSD24-164-2661 SB Introduction of tribomet treated butterfly valve plate sealing ring. 27/01/83 Initial

CSD24-165-2654 SB Air Control Valve - Introduction of improved design piston locking plate.

14/02/83 Initial

CSD24-166-2678 SB ACV - Damage to seal by cross tapping drilling Initial

CSD24-167-2679 SB Air Control Valve - Introduction of piston with hard chrome plating on central boss to overcome fret

10/11/86 Initial

CSD24-168-2682 SB Pump and Governor Assembly - Change to prevent internal oil leakage.

22/10/85 Initial

CSD24-171-2705 SB Butterfly Valve - Introduction of Tribomet coating to bore of valve body.

Initial

CSD24-172-2719 SB Pump and Governor - Changes to prevent extrusion of ‘O’ rings from relief valve body.

Initial

CSD24-173-2731 SB Lubricating Pump Assembly - Introduction of improved filter assembly with coarser drainage mesh.

25/11/85 Initial

CSD24-176-2818 SB Pump and Governor Assembly - Introduction of improved lubricating filter assembly with greater area

13/08/90 Initial

D14624-52-1 SB AIRSCALATOR - CRACKED TREAD SUPPORTS 02/02/95 Initial6010010

D14624-52-1 SB AIRSCALATOR - CRACKED TREAD SUPPORTS 02/02/95 Initial6010011

D14624-52-1 SB AIRSCALATOR - CRACKED TREAD SUPPORTS 02/02/95 InitialD14624







D14624-52-2 SB AIRSCALATOR - WORN PIVOT BOLTS AND RELATED PARTS 16/05/95 1 21/07/976010010



D14624-52-2 SB AIRSCALATOR - WORN PIVOT BOLTS AND RELATED PARTS 16/05/95 1 21/07/97D14624













D14888-52-1 SB AIRSCALATOR - INTRODUCTION OF POLISHED HANDRAILS 22/04/96 InitialD14888



D31005-52-1 SB INTRODUCTION OF RIVETED JOINTS IN PLACE OF WELDED JOINTS

30/09/91 InitialD31005

D31005-52-2 SB INTRODUCTION OF AN ALUMINIUM ALLOY END PIECE IN PLACE OF A PLASTIC END PIECE

18/10/91 1 29/06/92D31005

D31005-52-3 SB INTRODUCTION OF A NEW SHEAR PIN 30/07/92 InitialD31005

D7680-52-1 SB INTRODUCTION OF LIGHTWEIGHT COMPOSITE TREADS 30/04/91 InitialD7680

D7680-52-1 SB INTRODUCTION OF LIGHTWEIGHT COMPOSITE TREADS 30/04/91 InitialD7819

EI77-01-869 SB 07/03/72 Initial

EI77-02-873 SB Encapsulation of power supply module. 07/03/72 Initial

EI77-03-874 SB Increased module and case dimensions. 07/03/72 Initial

EI77-04-876 SB Change of transistor ratings. 07/03/72 Initial

EI77-05-877 SB Encapsulation of speed channel boards. 07/03/72 Initial

EI77-06-886 SB Addition of capacitor to temperature channel module TB1 29/08/72 Initial

EI77-07-887 SB Addition of capacitor to temperature channel module T4 29/08/72 Initial

EI77-08-888 SB Addition of capacitor to temperature channel module TB2 29/08/72 Initial

EI77-09-960 SB Alarm Amplifier. Reduction of spurious overspeed indication in the speed channel.

05/04/74 Initial

EI77-10-1104 SB Vibration Indicator. Replacement of red with white bezels. 20/03/78 Initial

EI77-12-1118 SB Alarm Amplifier. Deletion of speed channel output indication 17/04/79 Initial

EVA 77-1-645 SB Display Unit. Introduction of handle on front panel. 18/05/67 Initial

EVA 77-2 SB Analyser Amplifier Unit. Conversion of Type 1/A/12 to Type 2/A12. 10/06/69 Initial

EVA 77-3-800 SB Display Unit. Introduction of visual danger level indication. 02/07/70 2 15/10/70

FR6-76 SB PUMPING UNIT - TO PERMIT USE AT 50 DEG C 01/08/76 InitialP07C-207

FRH050002-28-1 SB FUEL SYSTEM-MFLI INSPECTION FOR INCORRECT ASSY 15/12/03 1 12/07/12FRH050002








FRH050002-28-2 SB Top Stop Retention 06/02/06 InitialFRH050002








FRH120197-28-01 SB FUEL – LP VALVE – MODIFY VALVE TO INCLUDE SECONDARY LOCKING

09/11/12 InitialFRH120197M

FRH120197-28-01 SB FUEL – LP VALVE – MODIFY VALVE TO INCLUDE SECONDARY LOCKING

09/11/12 InitialFRH120266M

FRH120199-28-01 SB Replacement LP Inboard Valve 05/11/12 Initial12M0090

FRH120199-28-01 SB Replacement LP Inboard Valve 05/11/12 InitialFRH120199M

FRH220034V-36-001 SB DUCT AND NON-RETURN VALVE - VALVE FLAP CRACKING Initial21V0020 CANCELLED

FRH220034V-36-001 SB DUCT AND NON-RETURN VALVE - VALVE FLAP CRACKING InitialFRH220034V CANCELLED

FRH46111N-29-01 SB Introduction of New LP Sliding Unions 08/01/15 Initial46H0013

FRH46111N-29-01 SB Introduction of New LP Sliding Unions 08/01/15 Initial46K0014

FRH46111N-29-01 SB Introduction of New LP Sliding Unions 08/01/15 Initial46M0015

FRH46111N-29-01 SB Introduction of New LP Sliding Unions 08/01/15 InitialFRH461113




FRH530014D-32-1 SB DOOR BY-PASS VALVE - BROKEN BOLTS. 03/04/07 1 12/09/0712D0024

FRH530014D-32-1 SB DOOR BY-PASS VALVE - BROKEN BOLTS. 03/04/07 1 12/09/07FRH530014D

FRS54-1 SB FLUOROSILICONE RUBBER SEALS - CHANGE OF SPEC. 20/08/63 InitialFRS135


FRS54-1 SB FLUOROSILICONE RUBBER SEALS - CHANGE OF SPEC. 20/08/63 InitialFRS-322


FS73-01-2065 SB Fuel System Throttle Control Valve - To introduce a filter housing incorporating an air filter to pr

19/07/71 Initial

FS73-02-2067 SB Fuel System Pump Governor and Accelerator Control Unit - To introduce a filter housing incorporating

19/07/71 Initial

FS73-03-2085 SB Fuel System Pump Governor and Accelerator Control Unit - Introduction of stronger spring to the gove

22/07/71 Initial

FS73-04-2097 SB Fuel System Throttle Control Valve - Introduction of restrictor with reduced hole diameter.

22/07/71 Initial

FS73-05-2066 SB Fuel System Throttle Control Valve - Addition to shroud to fuel density compensator adjuster positio

04/10/71 Initial

FS73-06-2114 SB Fuel System Governor and Acceleration Control Unit - Introduction of new bias springs to meet fuel f

16/05/72 Initial

FS73-07-2221 SB Fuel System Pump Governor and Acceleration Control Unit - Introduction of one piece bearings and spa

12/06/73 Initial

FS73-08-2088 SB Fuel System Pump Governor and Acceleration Control Unit - Reduction of backlash in governor adjuster

06/07/73 Initial

FS73-09-2148 SB Fuel System Pump Governor and Acceleration Control Unit - Introduction of a strengthened anti-rotati

06/07/73 Initial

FS73-10-2242 SB Fuel System Governor and Acceleration Control Unit - Improvements to increase life and reliability.

06/11/74 Initial



FS73-11-2223 SB Fuel System Throttle Control Valve - Introduction of a group Mod to cover existing modifications.

09/05/74 Initial

FS73-12-2270 SB Fuel System Pump Governor and Acceleration Control Unit - Change of calibration for the speed probe

26/07/74 Initial

FS73-13-2222 SB Fuel System Pump Governor and Acceleration Control Unit - Introduction of a group Mod to cover exist

21/10/74 Initial

FS73-14-2107 SB Fuel System Pump Governor and Acceleration Control Unit - Throttle control valve - Minor design chan

15/04/76 Initial

FS73-15-2181 SB Fuel System Pump Governor and Acceleration Control Unit - Throttle control valve - Minor design chan

15/04/76 Initial

FS73-16-2271 SB Fuel System Pump Governor and Acceleration Control Unit - Minor design changes.

15/04/76 Initial

FS73-17-2358 SB Fuel System Throttle Control Valve - Introduction of revised metering plate to achieve a revised cal

03/03/76 1 29/09/77

GBCV75-01-2579 SB Introduction of changes to improve performance and utility. 06/01/82 Initial

GBCV75-02-2534 SB Initial

GBCV75-03-2530 SB Introduction of new housing casing to overcome tolerance problems 06/01/82 Initial

GBCV75-04-2544 SB Introduction of Mk 3 Initial

GBCV75-05-2580 SB Introduction of Mk 4 Initial

GBCV75-06-2596 SB Introduction of improved piston seal arrangement to overcome leakage and friction problems.

16/02/82 Initial

GBCV75-07-2740 SB Introduction of Mk 4a Initial



GBCV75-10 SB Introduction of Mk 6a Initial

Ge24-01-427 SB Auxiliary Control Panel, 500-1-04556-001 - Introduction of 7.5 amp fuses in lieu of 5 amp fuses.

07/05/64 Initial

Ge24-02-462 SB Auxiliary Control Pane, 500-1-04556-001 - Deletion of superfluous relay contacts.

07/05/64 Initial

Ge24-04-507 SB Main Control Panel 503-1-04903 & -002 Introduction of improved torodial transformer.

12/02/65 Initial

Ge24-05 SB Main Control Panel 503-1-04903 & -002 Revision of circuits providing S.S.B. reset, deletion of under

12/02/65 Initial

Ge24-06-539 SB Generator 503-1-04827-006, type 8QL30Q 503-1-04179-003, type 8Q40AE. Introduction of new spline dri

03/08/65 Initial

Ge24-07-569 SB Main Control Panel 503-1-04481-002. Introduction of riveted ident. plate.

02/06/66 Initial

Ge24-08-570 SB Auxiliary Control Panel 503-1-04556-001 Introduction of riveted indent. plate.

02/06/66 Initial

Ge24-09-608 SB Generator 30 kVA 503-1-04827-006. Deletion of thermostatic switch.

08/08/66 1 02/09/66

Ge24-10-610 SB Generator 40 kVA 503-1-04179-003 - Introduction of temperature sensor in lieu of thermostatic switch

Initial

Ge24-11-649 SB Generator 30 kVA & 40 kVA, 503-1-04179-003 & -007 503-1-04827-006 & -009 - Longer exciter stator att

20/04/67 Initial

Ge24-12-666 SB Generator 30 kVA 503-1-04827-006 & -009 - Introduction of redesigned diode assembly.

11/03/68 Initial

Ge24-13-746 SB Control Panel Rack 503-1-05288-001 - Introduction of bracket to eject lever.

09/04/69 Initial

Ge24-14-761 SB Lowest Phase Under Voltage Unit 700-1-12980 - Introduction of additional resistor and change of exis

30/05/69 Initial

Ge24-15 SB Generator 40 kVA 503-1-04179-003 & -007 - Stator insulation failure 29/05/69 Initial

Ge24-16 SB Generator 30 kVA 503-1-04827-006 & -009 - Inspection and repair of main stator insulation.

09/10/69 Initial

Ge24-17-768 SB Generator 40 kVA 503-1-04179-003 & -007 - Introduction of improved stator.

09/10/69 Initial

Ge24-18-767 SB Generator 30 kVA 503-1-04827-006 & -009 - Introduction of improved stator.

09/10/69 Initial

Ge24-19-779 SB Generator 40 kVA 503-1-04179-003 & -007 - Introduction of re-designed diode assembly.

17/12/69 Initial

Ge24-20-697 SB Generator 40 kVA 503-1-04179-003 & -007 - Introduction of one piece drive spindle.

22/06/70 Initial

Ge24-21-875 SB Generators 30 & 40 kVA Initial



Ge24-24-941 SB Generator Control Panel 503-1-04903-003 - Change of resistor 28/10/74 Initial

Ge24-25-1010 SB Voltage Regulator 700-1-18588-003 - Introduction of improved voltage stability & RFI suppression.

11/02/75 Initial

Ge24-27-1050 SB 3-Phase Contactor 506-1-07852 - improved contacts 06/02/76 Initial

Ge24-28-1052 SB Main Control Panel - OV inverse time delay limits increase 13/10/76 Initial

Ge24-29-1074 SB G.P.P.U. 700-1-19101-000 - Improved surge suppression 15/03/77 Initial

Ge24-30-1065 SB Voltage Regulator 700-1-18588-003 - RFI Suppression improvement 08/06/77 Initial

Ge24-31 SB Generator 503-1-04827-006 & -009, Initial

Ge24-34 SB Generation - Failure of rectifier terminal in generator assembly 19/09/83 1 01/05/85503-1-06680-001

Ge24-34 SB Generation - Failure of rectifier terminal in generator assembly 19/09/83 1 01/05/85503-1-06680-002

GFS73-01 SB Minor Design Changes 16/08/83 Initial

GFS73-02-2351 SB GGG - Introduction of Minilock Quick Release Coupling Incorporating Nitrile ‘O’ Ring Seals

06/09/94 Initial

GFS73-03-2353 SB GGFS - Introduction of GFS 202 Mk 3 06/09/94 Initial


GFS73-05-2377 SB GGG - Introduction of Two Piece Actuator Cam Shaft Seal Housing 02/09/83 Initial


GFS73-07-2385 SB PCU - Introduction of New PCU with GEC Mod 1047 Embodied 06/09/94 Initial


GFS73-09-2401 SB FTG - Introduction of New Capsule Spacer to Facilitate Improved Technique During Capsule Assembly

06/09/94 Initial



GFS73-10-2417 SB TCV - Introduction of Modified Rigging Plate 20/04/82 Initial



GFS73-13-2432 SB Fuel Pump - Strengthened Drain Web 06/09/94 Initial


GFS73-15-2447 SB FTG - Introduction of Wire Locking to Pivot Bolts 06/09/94 Initial

GFS73-16-2465 SB R & SV - Introduction of Revised Calibration Performance Requirements

12/11/81 Initial

GFS73-17-2486 SB FTG - Introduction of Bellows, Yoke and Flapper Lever Assy with Increased Damping Spring Tension

06/09/94 Initial

GFS73-18-2488 SB GGFS - Reduction of Shaft Spline Wear 12/11/81 Initial

GFS73-19-2489 SB ACU - Introduction of ACU Mk 2 with Fuel Density Adjustment Clicker Deleted

27/10/83 Initial

GFS73-20-2490 SB TCV - Introduction of TCV Mk 2 with Non-continuous Flow Feature Omitted

06/09/94 Initial

GFS73-21-2491 SB TCV & ACU - Introduction of Change in Diaphragm Material 18/03/82 Initial

GFS73-22-2492 SB PRC - To Overcome Local Foul Between PRC and Engine 12/11/81 Initial

GFS73-23-2500 SB GGFS - Introduction of Shimming to Pilot Burner Pipe to Improve Installation Conditions on Engine

25/01/82 Initial

GFS73-24-2503 SB GGG - Introduction of Increased Maximum Speed Setting 25/01/82 Initial

GFS73-25-2509 SB FFCU - Change of Gasket Material 28/02/85 Initial

GFS73-26-2512 SB FTG - Introduction of Conical Valve Seating for Ball in Overspeed Vent Valve

06/09/94 Initial

GFS73-27-2513 SB GGFS - Change of Nameplate 18/03/82 Initial

GFS73-28-2514 SB TCV - Introduction of Improved Means of Operating Retention 12/11/81 Initial

GFS73-29-2515 SB FTG - Introduction of Improved Means of Operating Lever Retention 10/06/85 Initial


GFS73-31-2561 SB FTG - Deletion of Filter 16/02/82 Initial


GFS73-33-2622 SB Air Filter - Introduction of Filter Springs with Increased Loading 06/09/94 Initial

GFS73-34-2631 SB FTG - Introduction of Overspeed Lever Assembly Incorporating Lever with Wear Resisting Pad

06/09/94 Initial

GFS73-35-2632 SB FTG - Introduction of Improved Type Thrust Bearing on Governor Push Rod Assembly

06/09/94 Initial

GFS73-36-2633 SB FTG - Introduction of Speed Select Lever Bearing Housing Assembly Incorporating Lead Bronze Bearings

24/04/84 Initial

GFS73-38-2672 SB FTG - Introduction of Overspeed Vent Valve in Less Corrodible Material

06/09/94 Initial

GFS73-39-2681 SB TCV - Introduction of TCV Body Incorporating a Vent Hole to Overcome Damage to Operating Diaphragm

06/09/94 Initial

GFS73-40 SB GGFS - Introduction of GFS 202 Mk 101, GFS 202, MK 102, GFS 204 Mk 101 and GFS 204 Mk 102 with Exter

09/05/84 Initial

GFS73-41 SB GGFS - Introduction of GFS 202 Mk 100 and GFS 204 Mk 100 Incorporating Re-identified GGG with Omnise

Initial

GFS73-42-2691 SB FTG - Deletion of Damping Restrictor from NH Governor Control Passage

10/07/85 Initial


GFS73-44 SB GGFS - To Authorise the use of Certain GFS 202 Items in GFS 204 Build as Acceptable Alternatives

Initial



GFS73-47-2711 SB GGFS - Introduction of GFS 204 Mk 2 with Higher System Pressure to Meet Engine Requirements

06/09/94 Initial

GFS73-48 SB GGG - Fatigue Cracking of Governor Weight 06/09/94 Initial

GFS73-49-2698 SB GGG - Introduction of Omniseal in Re-set Actuator Camshaft Seal Assy

06/09/94 Initial

GFS73-50 SB GGFS - Introduction of GFS 204 Mk 103 and GFS 204 Mk 104 with Higher System Pressure to Meet Engine

01/05/95 Initial

GFS73-51-2724 SB Fuel Pump - Introduction of Change of ‘O’ Ring Material at Seal Housing Position

01/05/95 Initial

GFS73-52-2757 SB Fuel Pump - Introduction of Improved Transit Cover over Quill Shaft 01/05/95 Initial

GFS73-53-2758 SB GGG - Introduction of Single Drive Key in Lieu of Existing Ball Drive 01/05/95 Initial

GFS73-54 SB Fuel Pump - Introduction of New Quillshaft with Shearneck Deleted 01/05/95 Initial

GFS73-55 SB GGFS - Introduction of In-Line Filter Element Between Rotenoid and ACU

Initial

GFS73-56-2746 SB Acceleration Control Unit - Introduction of an omniseal in lieu of existing composite seal fitted at

01/05/95 Initial

GFS75-56-2746 SB ACU - Introduction of Omniseal Initial

GFS75-57-2864 SB FTG - Introduction of Polybon washers to reduce wear on wave washers.

Initial

HGE24-02-1219 SB Changes in protection circuits to prevent spurious tripping 26/10/84 Initial509-1-02530-000

HGE24-03-1237 SB Introduction of increased strength drive between splined stub shaft and main shaft of armature rotor

23/01/85 Initial503-1-06680-001

HGE24-04-1314 SB Introduction of improved generator with rotor windings retaining wedges of “Ninocast 80” material

24/02/87 1 09/09/87503-1-06680-002

HGE24-05-1269 SB Introduction of new front panel with revised cable layout to obviate use of butt splices

03/08/87 Initial509-1-02530-001

HGE24-06-1293 SB Introduction of new front panel assembly incorporating relay board with increased length mounting sp

03/08/87 Initial509-1-02530-001

HGE24-07-1347 SB Minor design changes 06/08/90 Initial700-1-22490-400

HGE24-08-1368 SB Minor design changes 17/08/90 Initial700-1-22490-400

HGE24-09-1338 SB Introduction of improved generator control unit with new base assembly embodying two 2-pole changeov

12/12/90 Initial700-1-22490-400

HGE24-10-1366 SB Introduction of noise suppression capacitor in under frequency protection circuit input signal

13/08/90 Initial700-1-22490-400



HGE24-11-1363 SB Introduction of printed wiring board assemblies incorporating pads interposed between transistors an

12/09/90 Initial700-1-22490-400

HGE24-11-1363 SB Introduction of printed wiring board assemblies incorporating pads interposed between transistors an

12/09/90 Initial700-1-22490-500

HGE24-12-1351 SB Introduction of armature rotor assembly incorporating alternative diodes on exciter armature

19/09/90 Initial503-1-06680-003

HGE24-13-1369(OM) SB Minor design changes 15/01/91 Initial509-1-02530-001

HGE24-14-1371 SB Introduction of flexible connector 26/10/94 Initial503-1-06680-003

HGE24-15-1376 SB Introduction of new permanent magnet generator stator with improved side plates

23/01/91 Initial503-1-06680-003

HGE24-16-1380 SB Introduction of GCU Mk 410 and GCU Mk 510 incorporating new overcurrent and undervoltage protection

14/08/91 Initial700-1-22490-400

HGE24-16-1380 SB Introduction of GCU Mk 410 and GCU Mk 510 incorporating new overcurrent and undervoltage protection

14/08/91 Initial700-1-22490-500

HGE24-18-1404 SB Introduction of GCU type 420 and GCU type 520 incorporating an unbalanced current detector circuit

01/04/93 Initial700-1-22490-400


01/04/93 Initial700-1-22490-410


01/04/93 Initial700-1-22490-500


01/04/93 Initial700-1-22490-520

HGE24-19-1409 SB Introduction of improved standard components to OV-OP board and tag board assemblies

20/08/93 1 20/10/94700-1-22490-400


20/08/93 1 20/10/94700-1-22490-420


20/08/93 1 20/10/94700-1-22490-500


20/08/93 1 20/10/94700-1-22490-520

HGE24-20-1418 SB Introduction of undervoltage board incorporating capacitors of reduced value to eliminate unacceptab

15/06/93 Initial700-1-22490-420

HGE24-20-1418 SB Introduction of undervoltage board incorporating capacitors of reduced value to eliminate unacceptab

15/06/93 Initial700-1-22490-520

HGE24-21-1419 SB Introduction of alternative rotary switch assembly 17/02/94 Initial700-1-22490-420

HGE24-21-1419 SB Introduction of alternative rotary switch assembly 17/02/94 Initial700-1-22490-520

HGE24-22-1421 SB TRU - Replacement of neutral cable 10/10/94 Initial509-1-02530-001

HGE24-23 SB GCU - Underfrequency trip level setting 11/03/94 Initial700-1-22490-400




HGE24-24-1434(OM) SB GCU - Minor design changes 23/07/96 Initial700-1-22490-420


HGE24-25-1433 SB GCU - Improved frequency control 23/07/96 Initial700-1-22490-420

HGE24-25-1433 SB GCU - Improved frequency control 23/07/96 Initial700-1-22490-520

HGE24-26-1437 SB GCU - UV-DP PWB assembly - Introduction of an additional diode 23/07/96 Initial700-1-22490-420

HGE24-26-1437 SB GCU - UV-DP PWB assembly - Introduction of an additional diode 23/07/96 Initial700-1-22490-520

HGE24-27-1413(OM) SB TRU - Alternative items (Rev 1) 10/12/96 Initial509-1-02530-001



HGE24-29-1455 SB GCU - Introduce uprated components to improve unit reliability 23/08/00 Initial700-1-22490-420

HGE24-29-1455 SB GCU - Introduce uprated components to improve unit reliability 23/08/00 Initial700-1-22490-520

HGE24-30-CA040 SB GCU - Correction of manufacturer’s deficiency 26/01/01 Initial700-1-22490-520

HGE24-31-1488 SB TRU - Rerouting of cable harness 25/06/01 Initial509-1-02530-001

HGE24-3-1237 SB INTRO OF NEW DRIVE 23/01/85 Initial503-1-06680

HGE24-32-0001 SB INSPECTION OF ROTOR BANDING RINGS 11/10/10 Initial503-1-06680-003

HGE24-32-1489 SB 40/50 kVA Gen - Introduction of higher reliability diodes 23/07/01 Initial503-1-06680-003

HPU28-01-2714 SB Fuel Boost Pump Type 7902 - Introduction of tri-wing type pump to isolating chamber attachment bolts

07/06/85 Initial568-1-25665-001

HPU28-02-2760 SB Pump Isolating Chamber Type 7903 - Introduction of new slide valve sealing arrangement

01/02/88 Initial568-1-25666-001

HPU28-03-2851 SB Incorporation of strengthened end housing & new nameplate 30/01/95 Initial568-1-25663-001

HS80-01-1228 SB Introduction of Formsprag Clutch 25/07/83 Initial501-1-13775-001

HS80-02-1227 SB Introduction of Drive Shaft Shear Neck with reduced torque figure 20/06/85 Initial501-1-13775-001

HS80-02-1227 SB Introduction of Drive Shaft Shear Neck with reduced torque figure 20/06/85 Initial501-1-13775-004

HS80-03-1226 SB Change to introduce separated Drive Shaft 25/04/86 Initial501-1-13775-004

HS80-04-1233 SB Introduction of Starter Motor Type C6120A/4 incorporating re-designed Drive End Housing Assembly

10/09/85 Initial501-1-13775-001

HS80-05-1288 SB Introduction of improved design Oil Filter Bolt 04/06/85 1 28/11/86501-1-13775-001

HS80-05-1288 SB Introduction of improved design Oil Filter Bolt 04/06/85 1 28/11/86501-1-13775-004

HS80-06 SB Installed life 13/06/85 1 30/07/90501-1-13775-001



HS80-07 SB Prevention of fluid ingress into Commutator End Housing Assembly 28/06/85 Initial501-1-13775-001

HS80-07 SB Prevention of fluid ingress into Commutator End Housing Assembly 28/06/85 Initial501-1-13775-004

HS80-08-1273 SB Introduction of improved sealing arrangement at Brush Cover Assembly

01/12/86 Initial501-1-13775-001

HS80-08-1273 SB Introduction of improved sealing arrangement at Brush Cover Assembly

01/12/86 Initial501-1-13775-004

HS80-09-1275 SB Introduction of Armature Shaft with Electroless Nickel Plating on splines and support journal

03/12/86 Initial501-1-13775-001

HS80-09-1275 SB Introduction of Armature Shaft with Electroless Nickel Plating on splines and support journal

03/12/86 Initial501-1-13775-004

HS80-11-1295 SB Introduction of revised Windback Seal arrangement 25/04/86 Initial501-1-13775-004



HS80-12-1310 SB Introduction of additional pre loading to Freewheel Housing Assembly Support Bearing

03/12/86 Initial501-1-13775-004

HS80-13-1321 SB Introduction of Starter Motor Type C6120A/6 09/09/87 Initial501-1-13775-004

HS80-14-1331 SB Introduction of Baulking feature to separated Drive Shaft 01/08/88 Initial501-1-13775-001



HS80-15-1324 SB Introduction of new type of Bearing with Granodised steel Bearing Cage

04/01/88 Initial501-1-13775-001


04/01/88 Initial501-1-13775-004


04/01/88 Initial501-1-13775-006

HS80-16-1332 SB Introduction of Freewheel Housing Assembly incorporating Sealing Plate with greater adhesion surface

01/08/88 3501-1-13775-004

HS80-16-1332 SB Introduction of Freewheel Housing Assembly incorporating Sealing Plate with greater adhesion surface

01/08/88 3501-1-13775-006

HS80-17-1335 SB Introduction of shorter retaining Bolts on Drive End Housing 01/08/88 Initial501-1-13775-004

HS80-17-1335 SB Introduction of shorter retaining Bolts on Drive End Housing 01/08/88 Initial501-1-13775-006

HS80-18-1346 SB Introduction of Emralon Dry Lubricant to Wound Armature Splines 03/05/87 Initial501-1-13775-001



HS80-20-1354 SB Introduction of Armature Shaft with extended Spline Support diameter

30/07/90 Initial501-1-13775-001


30/07/90 Initial501-1-13775-004


30/07/90 Initial501-1-13775-006

HS80-21-1358 SB Re-introduction of Bearings with Phenolic Bearing Cages 01/02/90 Initial501-1-13775-001



HS80-22-1460 SB Change of Bearing Cap Restraining Screws 04/06/98 Initial501-1-13775-006

HS80-22-1460 SB Change of Bearing Cap Restraining Screws 04/06/98 Initial501-1-13775-06A

HS80-23-1457 SB Introduction of -06A ceramic bearings 15/01/97 Initial501-1-13775-006

HS80-24-1474 SB Introduction of 4-pole magnetic seal 07/02/00 Initial501-1-13775-006

HS80-24-1474 SB Introduction of 4-pole magnetic seal 07/02/00 Initial501-1-13775-06A

HS80-25-1481 SB Modification of Starter Motor to Mk 8, Starter Motor - Starting - Electric

04/10/99 1 04/03/05501-1-13775-006 Distributed as CD-0007 / OSM853

HS80-25-1481 SB Modification of Starter Motor to Mk 8, Starter Motor - Starting - Electric

04/10/99 1 04/03/05501-1-13775-06A Distributed as CD-0007 / OSM853

HS80-26-1479 SB Starter Motor - Change of bearing 07/02/00 Initial501-1-13775-006

HS80-26-1479 SB Starter Motor - Change of bearing 07/02/00 Initial501-1-13775-06A

HS80-27-1495 SB INTRO. NEW MAG SEAL 20/05/02 Initial501-1-13775-004



HS80-28-1543 SB Introduce New Brush and Tag Assembly 03/01/06 Initial 03/01/06501-1-13775-004



HS80-28-1543 SB Introduce New Brush and Tag Assembly 03/01/06 Initial 03/01/06501-1-13775-06A

HTE.SB.29.10 SB ACTUATED 2 WAY HYD VALVE, INTRO OF MOTOR SEAL CAP 15/03/78 InitialHTE9360

HTE.SB.80.1 SB AIR START NRV - INTRO OF IMPROVED HINGE PIN 01/11/71 InitialHTE262

HTE.SB.80.2 SB INTRODUCTION OF IMPROVED HINGE PIN 07/01/74 InitialHTE363-1



HTE.SB.80.2 SB INTRODUCTION OF IMPROVED HINGE PIN 07/01/74 InitialHTE4119

HTE.SB.80.3 SB INTRODUCTION OF CLEARANCE RADIUS OF VALVE FLAPS 23/04/74 InitialHTE363



HTE.SB.80.4 SB NRV - NEW SPRING 05/04/77 InitialHTE363-3

HTE1417-28-1 SB PYLON HALF (AIR) - MODIFIED SPRING 01/04/84 InitialHTE1429-013

HTE190001-28-001 SB TWIN MOTOR ACTUATOR 30/03/90 Initial 30/03/90HTE190001

HTE190001-28-001 SB TWIN MOTOR ACTUATOR 30/03/90 Initial 30/03/90HTE190001-1

HTE190001-28-002 SB TWIN MOTR ACT BEVEL & SPUR GEAR ASSY-BROKEN SPIGOT 29/04/96 Initial 29/04/96HTE190001

HTE190001-28-002 SB TWIN MOTR ACT BEVEL & SPUR GEAR ASSY-BROKEN SPIGOT 29/04/96 Initial 29/04/96HTE190001-1

HTE190001-28-002 SB TWIN MOTR ACT BEVEL & SPUR GEAR ASSY-BROKEN SPIGOT 29/04/96 Initial 29/04/96HTE190001-2

HTE190001-28-003 SB TWIN MOTOR ACTUATOR LOCATING DOWEL CHECK PROCEDURE

30/03/04 1 21/12/05HTE190001 Check procedure for locating dow


30/03/04 1 21/12/05HTE190001-1 Check procedure for locating dow


30/03/04 1 21/12/05HTE190001-2 Check procedure for locating dow

HTE190001-28-004 SB HTE TYPE ELECTRICAL ACTUATOR - POSSIBLE MICROSWITCH FAILURE

29/10/06 1 16/02/09HTE190001-1

HTE190001-28-004 SB HTE TYPE ELECTRICAL ACTUATOR - POSSIBLE MICROSWITCH FAILURE

29/10/06 1 16/02/09HTE190001-2

HTE190021-28-1 SB TWIN MOTOR ACTUATOR - INGRESS OF MOISTURE 29/09/95 1 27/02/96HTE190021

HTE190021-28-1 SB TWIN MOTOR ACTUATOR - INGRESS OF MOISTURE 29/09/95 1 27/02/96HTE190026


17/03/03 1 30/03/04HTE190021


17/03/03 1 30/03/04HTE190026

HTE190026-24-1 SB NEW TWIN MOTOR ACTUATOR PN FRH010041 26/10/00 InitialFRH010041

HTE190026-24-1 SB NEW TWIN MOTOR ACTUATOR PN FRH010041 26/10/00 InitialHTE190021



HTE190026-24-1 SB NEW TWIN MOTOR ACTUATOR PN FRH010041 26/10/00 InitialHTE190026

HTE200002-28-001 SB MODIFICATION OF SINGLE MOTOR ACTUATOR 13/01/92 2 08/03/02HTE200002

HTE200002-28-001 SB MODIFICATION OF SINGLE MOTOR ACTUATOR 13/01/92 2 08/03/02HTE200002-1

HTE200002-28-002 SB Actuator - Microswitch - Cracked Plain Lever 27/07/09 InitialHTE200002

HTE210043-24-001 SB 15/03/05 InitialHTE210043-1 DRAFT ONLY

HTE220018-21-1 SB ACTUATOR- IMPROVED MOTOR AND POTENTIOMETER DRIVE C

06/10/97 1 09/02/98HTE220018

HTE220019-21-1 SB ACTUATOR- IMPROVED MOTOR AND POTENTIOMETER DRIVE C

06/10/97 1 09/02/98HTE220019

HTE250072-21-1 SB Modify HTE250072 to HTE250072-1 30/09/05 InitialFRH160006M

HTE250072-21-1 SB Modify HTE250072 to HTE250072-1 30/09/05 InitialHTE250072

HTE250072-21-1 SB Modify HTE250072 to HTE250072-1 30/09/05 InitialHTE250072-1

HTE250076-21-1 SB 2 1/2IN MOT. BUTTERFLY VALVE - EXCESSIVE LEAKAGE 12/09/96 InitialHTE250076-1

HTE420074-AM-X-001 SB AM-X WING TANK PRESSURE RELIEF VALVE 21/03/91 InitialHTE420074

HTE4273-001 SB 4 INCH NRV CONVERSION 09/05/89 InitialHTE4273

HTE4373-36-1 SB PNEUMATIC - NON-RETURN VALVE - REPLACE VALVE FLAPS 08/02/88 InitialHTE4373-1

HTE4373-36-1 SB PNEUMATIC - NON-RETURN VALVE - REPLACE VALVE FLAPS 08/02/88 InitialHTE4373-2

HTE440021-1-SB-001 SB MODIFICATION OF 4.875 INCH DOUBLE FLAP NON-RETURN VALVE

12/06/91 2 29/06/98HTE440021-1

HTE440021-1-SB-001 SB MODIFICATION OF 4.875 INCH DOUBLE FLAP NON-RETURN VALVE

12/06/91 2 29/06/98HTE440021-2

HTE450001-3-75-001 SB MODIFICATION OF 6 IN DOUBLE FLAP NRV 10/12/90 InitialHTE450001-2

HTE450001-3-75-001 SB MODIFICATION OF 6 IN DOUBLE FLAP NRV 10/12/90 InitialHTE450001-3

HTE450001-75-2 SB 6 IN DOUBLE FLAP NRV - INTRODUCTION OF STELLITE BUSHES

14/11/96 InitialHTE450001-3


14/11/96 InitialHTE450001-4


14/11/96 InitialHTE450001-5


14/11/96 InitialHTE450001-7

HTE460009-36-001 SB DUCT AND NRV MODIFICATION 10/05/94 1 19/01/95FRH220054V

HTE460009-36-001 SB DUCT AND NRV MODIFICATION 10/05/94 1 19/01/95HTE460009

HTE460009-36-001 SB DUCT AND NRV MODIFICATION 10/05/94 1 19/01/95HTE460009-1

HTE460009-36-002 SB INTRODUCTION OF ST. ST. NRV ASSY 31/05/01 2 22/10/04FRH220015V



HTE460009-36-002 SB INTRODUCTION OF ST. ST. NRV ASSY 31/05/01 2 22/10/04HTE460009

HTE460009-36-002 SB INTRODUCTION OF ST. ST. NRV ASSY 31/05/01 2 22/10/04HTE460009-1

HTE4918-38-1 SB 38-40 WATER/WASTE: AIR SUPPLY NRV-REPLACE O-RINGS 15/02/84 Initial

HTE4918-38-2 SB NON-RETURN VALVE HTE 4918 12/03/87 InitialHTE4918

HTE4925-1-SB-1 SB REPLACE VALVE SPINDLE 23/09/85 InitialHTE4925-1

HTE4925-29-2 SB INTRO OF PORT & STBD VALVES WITH THERMAL RELIEF 12/03/97 InitialHTE4925-1

HTE510005-38-002 SB MODIFICATION OF PRESSURE REDUCING AND RELIEF VALVE 31/03/92 2 06/07/93HTE510005

HTE510005-38-002 SB MODIFICATION OF PRESSURE REDUCING AND RELIEF VALVE 31/03/92 2 06/07/93HTE510010

HTE510005-38-002 SB MODIFICATION OF PRESSURE REDUCING AND RELIEF VALVE 31/03/92 2 06/07/93HTE510010-1

HTE510010-38-001 SB PRESSURE REDUCING AND RELIEF VALVE 05/12/89 InitialHTE510005

HTE510010-38-001 SB PRESSURE REDUCING AND RELIEF VALVE 05/12/89 InitialHTE510005-1

HTE510010-38-001 SB PRESSURE REDUCING AND RELIEF VALVE 05/12/89 InitialHTE510010

HTE510010-38-001 SB PRESSURE REDUCING AND RELIEF VALVE 05/12/89 InitialHTE510010-1

HTE510016-29-1 SB GAS CHNG VLVE PREVENTION OF CONXN OF HP TO LP SPLY 03/12/98 InitialHTE510016

HTE510035-38-1 SB PRESSURE REGULATING VALVE - CHANGE OF SPRING 23/10/97 1 14/02/98HTE510035-1

HTE510035-38-1 SB PRESSURE REGULATING VALVE - CHANGE OF SPRING 23/10/97 1 14/02/98HTE510035-2

HTE530004-38-001 SB MODIFICATION OF TOILET FLUSHING VALVE 07/12/90 InitialHTE530004

HTE530004-38-001 SB MODIFICATION OF TOILET FLUSHING VALVE 07/12/90 InitialHTE530004-1

HTE530004-38-002 SB LEAKAGE FROM PUSH BUTTON 09/08/02 1 12/09/02FRH340014E

HTE530004-38-002 SB LEAKAGE FROM PUSH BUTTON 09/08/02 1 12/09/02HTE530004-1

HTE530004-38-002 SB LEAKAGE FROM PUSH BUTTON 09/08/02 1 12/09/02HTE530004-2

HTE6177, HTE6192 SB SERVICING NOTES FOR GIMBAL JOINT ASSEMBLIES Initial

HTE620071-1-29-1 SB NEW SLIDING UNIONS 15/03/04 InitialHTE620071-1

HTE620071-1-29-1 SB NEW SLIDING UNIONS 15/03/04 InitialHTE620072-1

HTE620071-1-29-1 SB NEW SLIDING UNIONS 15/03/04 InitialHTE620196

HTE620071-1-29-1 SB NEW SLIDING UNIONS 15/03/04 InitialHTE620197

HTE623 SB 1/4 INCH FUEL DRAIN VALVE Initial

HTE660028 SB SERVICING NOTES FOR GIMBAL JOINT ASSEMBLIES Initial

HTE69000-28-001 SB PRESSURE SWITCH HTE 69000 27/11/86 1 11/04/88HTE69000

HTE690035-29-001 SB MODIFICATION OF PRESSURE SWITCH 30/07/90 InitialHTE690035

HTE690035-29-001 SB MODIFICATION OF PRESSURE SWITCH 30/07/90 InitialHTE690035-1

HTE714-20L SB FITTING OF ANTI-EXTRUSION RING Initial

HTE714-5Z-79-1 SB 1 1/4 IN MINILOCK NIPPLE InitialHTE714-4Z

HTE714-5Z-79-1 SB 1 1/4 IN MINILOCK NIPPLE InitialHTE714-5Z

HTE900001-28-001 SB CONVERSION OF HTE900001-001 TO HTE900118-001 31/03/88 InitialHTE900001

HTE900034-35-28-001 SB MOD OF FUEL CROSSFEED & FUEL TRANSFER VALVES 01/08/90 InitialHTE900034




HTE900087-28-001 SB FUEL-TRANSFER VALVE-INCORRECT PART MARKING 09/04/13 InitialHTE900087

HTE900118-28-01 SB Introduce new TRV 27/06/17 InitialHTE900118-001



HTE900158-29-001 SB ELEC ACT HYD SOV - MOD OF HTE900158 TO HTE900195 12/03/97 InitialHTE900158

HTE900158-29-001 SB ELEC ACT HYD SOV - MOD OF HTE900158 TO HTE900195 12/03/97 InitialHTE900195

HTE900162-28-1 SB AIRBUS VALVE - PRODUCT IMPROVEMENT 14/10/98 Initial 14/10/98HTE900162 BASIC MANUAL


HTE900162-28-1 SB AIRBUS VALVE - PRODUCT IMPROVEMENT 14/10/98 Initial 14/10/98HTE900206-001 BASIC MANUAL

HTE900162-28-1 SB AIRBUS VALVE - PRODUCT IMPROVEMENT 14/10/98 Initial 14/10/98HTE900208-001 BASIC MANUAL



HTE900169-28-1 SB JETTISON VALVE - CHECK FOR CRACKS 06/06/03 2 21/12/05 BASIC MANUAL

HTE900169-28-2 SB Fuel System-Jettison Valve-Check InitialHTE900169 REPLACED BY REVISED HTE90

HTE900211-28-1 SB ACTUATOR FAILURE DUE TO ICE IN FUEL XFEED VALVE 06/09/99 InitialHTE900211

HTE900212-28-01 SB FUEL VALVE DRIVE ASSEMBLY INSPECTION PROCEDURE 28/07/00 1 02/02/15HTE900162


HTE900212-28-01 SB FUEL VALVE DRIVE ASSEMBLY INSPECTION PROCEDURE 28/07/00 1 02/02/15HTE900206-001






HTE9037-24-001 SB SINGLE MOTOR ACTUATOR-MOD 30/08/90 1 01/06/98HTE9037

HTE9082-32-001 SB ELECTRICAL ACTUATOR 08/06/87 InitialHTE9082-1

HTE9199 SB 63MM ACTUATED SHUT OFF VALVE Initial

HTE9215-21-001 SB 1.5 INCH HOT AIR BUTTERFLY VALVE 08/02/90 InitialHTE9215

HTE9215-21-001 SB 1.5 INCH HOT AIR BUTTERFLY VALVE 08/02/90 InitialHTE9215-1

HTE9232-6-21-1 SB TEMPERATURE CONTROL VALVE - NEW V-BAND CLAMP 05/06/97 InitialHTE9232-6

HTE9316-24-001 SB ACTUATOR - MICROSWITCH ASSEMBLY - CRACKED PLAIN LEVER ARM

20/03/08 InitialHTE9316

HTE9479-29-002 SB ELECTRICALLY ACTUATED BALL VALVE 27/11/86 2 27/01/87HTE210014

HTE9479-29-002 SB ELECTRICALLY ACTUATED BALL VALVE 27/11/86 2 27/01/87HTE9082-1



HTE9479-3-29-1 SB HYDRAULIC BALL VALVES - SURFACE FINISH OF BALL 12/02/99 InitialHTE9479-3



HTE9490-32-001 SB ELECTRICALLY ACTUATED FOUR PORT BALL VALVE 20/11/86 1 20/01/87HTE9490-2

HTE9490-32-001 SB ELECTRICALLY ACTUATED FOUR PORT BALL VALVE 20/11/86 1 20/01/87HTE9490-3





HTE9490-32-003 SB Introduction of Improved LGSV Valve 02/09/08 InitialHTE9490-4

HTE9490-32-003 SB Introduction of Improved LGSV Valve 02/09/08 InitialHTE9490-5

HTE9531-29-003 SB HYDRAULIC PUMP ISOLATION VALVE 27/11/86 2 27/01/87HTE210014

HTE9531-29-003 SB HYDRAULIC PUMP ISOLATION VALVE 27/11/86 2 27/01/87HTE9082-1



HTE9596-24-1 SB MODIFICATION OF SEALS 13/02/79 InitialHTE9596

HTE960023-32-1 SB DOOR BY-PASS VALVE - LEAKAGE AT END CONNECTIONS 01/02/99 InitialFRH530014D

HTE960023-32-1 SB DOOR BY-PASS VALVE - LEAKAGE AT END CONNECTIONS 01/02/99 InitialHTE960023





HTE-AS-01 SB ASSEMBLY INSTRUCTIONS FOR PRESSURE BALANCED JOINT 05/12/75 Initial

IGV75-001-2145 SB Master Ram and Control - Introduction of improved connecting rod 25/04/72 1 22/05/72754-1-30071

IGV75-002-2101 SB Master Ram and Control - Introduction of selected fixed orifice plate for the “Trim A” position and

21/06/71 Initial

IGV75-003-2137 SB Master Ram and Control - Change of calibration 28/06/72 Initial

IGV75-004-2144 SB Master Ram and Control - Introduction of high expansion bolts to secure manifold

06/07/72 Initial

IGV75-005-2109 SB Master Ram and Control - Introduction of improved piston ring pack 04/10/72 Initial

IGV75-006-2110 SB Slave Ram - Introduction of improved piston ring pack 04/10/72 Initial

IGV75-007-2182 SB Master Ram and Control - Introduction of carbon piston rings 21/12/72 Initial

IGV75-008-2183 SB Slave Ram - Introduction of carbon piston rings 28/12/72 Initial

IGV75-009-2118 SB Slave Ram - Introduction of SR 102 Mk 2 featuring a strengthened front casing

11/12/72 Initial

IGV75-010-2119 SB Master Ram and Control - Introduction of MR 102 Mk 2 featuring a strengthened front casing

20/12/72 Initial754-1-30071

IGV75-011-2189 SB Master Ram and Control - Introduction of connecting rod incorporating a carbon bearing

08/01/73 Initial

IGV75-012-2206 SB Master Ram and Control - Introduction of strengthened connecting rod incorporating a carbon bearing

29/01/73 Initial

IGV75-013-2178 SB Master Ram and Control - Introduction of improved “Trim B” adjuster featuring improved sensitivity a

09/03/73 Initial

IGV75-014-2209 SB Slave Ram - Introduction of front and rear casing assemblies with plating deleted from bore

15/03/73 Initial

IGV75-015-2208 SB Master Ram and Control - Introduction of front casing assembly with plating deleted from bore

19/03/73 Initial



IGV75-016-2228 SB Slave Ram - Introduction of SR 102 Mk 1A featuring a modified rod end

11/06/73 Initial

IGV75-017-2232 SB Master Ram and Control - Introduction of screwed in capacitor tube to manifold element and vents ass

02/01/74 2 10/07/74

IGV75-018-2255 SB Master Ram and Control - Introduction of “Trim A” orifice in improved material

28/01/74 Initial

IGV75-019 SB Slave Ram and Master Ram - Introduction of outspringing rings with reduced axial width

01/02/74 Initial

IGV75-020-2261 SB Master Ram and Control - Introduction of improved method of tightening the “Trim A” orifice housing

29/03/74 Initial

IGV75-021-2266 SB Master Ram and Control - Introduction of “Group” mod number 29/03/74 Initial

IGV75-022 SB Minor Design Changes 04/06/74 1 17/07/74

IGV75-023-2275 SB Slave Ram - Introduction of improved piston ring sealing 06/12/74 2 15/01/75

IGV75-024-2276 SB Master Ram and Control - Introduction of improved piston ring sealing

06/12/74 1 15/01/75

IGV75-025-2308 SB Slave Ram - Introduction of spacer in lieu of disc spring 21/03/75 Initial

IGV75-026 SB Minor Design Changes 30/01/76 Initial


IGV75-028-2350 SB Master Ram and Control - Introduction of “Trim A” orifice of improved design

26/01/76 Initial


IGV75-030-2355 (IGV75-30-2355)

SB Airflow Control Unit - Introduction of new bleed valve control unit with strengthened mounting lug

17/11/76 1 17/06/77754-1-32148-000 BASIC MANUAL

IGV75-031-2381 SB Master Ram and Control - Introduction of improved design of “Trim A” orifice housing

17/04/77 Initial

IGV75-033-2383 SB Master Ram and Control - Introduction of MR 102 Mk 3 and MR 102 Mk 4 with revised calibrations to su

24/09/76 1 24/01/77

IGV75-034-2382 (IGV75-34-2382)

SB Airflow Control Unit - Introduction of manifold and fluidic element assembly using silver copper bra

17/11/76 1 17/06/77754-1-32148-000 BASIC MANUAL

IGV75-035-2388 (IGV75-35-2388)

SB Airflow Control Unit - Introduction of detachable capacitor bleed orifice plug


IGV75-036-2435 (IGV75-36-2435)

SB Bleed Valve Control Unit - Introduction of bleed valve control unit AV 101 Mk 4 with revised operati


IGV75-037-2426 (IGV75-037-2426)

SB Airflow Control Unit - Introduction of an additional calibration slope adjustment


IGV75-038-2427 (IGV75-38-2427)

SB Airflow Control Unit - To provide the facility for fitting a remote feed to the “A” orifice


IGV75-039-2440 (IGV75-39-2440)

SB Airflow Control Unit - Introduction of airflow control unit AC 101 Mk 9 with revised response and al


IGV75-040-2428 SB Airflow Control Unit - Introduction of calibration ‘Q’ with revised limits to meet differing engine

Initial

IGV75-042-2414 (IGV75-42-2414)

SB Airflow Control Unit - Introduction of manifold and fluidic element assembly incorporating a stellit


IGV75-042-2414 (IGV75-42-2414)



IGV75-042-2414 (IGV75-42-2414)



IGV75-043-2311 SB Slave Ram - Deletion of facility to incorporate a surge relief valve 09/02/78 Initial

IGV75-046-2434 SB Airflow Control Unit - Introduction of airflow control unit AC 101 Mk 10 with external P4 temperatur

12/10/77 Initial

IGV75-047-2436 (IGV75-47-2436)

SB Airflow Control Unit - Introduction of airflow control unit AC 101 Mk 8 with revised calibration

28/10/77 2 06/07/78754-1-32148-000 BASIC MANUAL

IGV75-048-2435 SB Bleed Valve Control Unit - Introduction of bleed valve control unit AV 101 Mk 4 with revised operati

28/10/77 Initial

IGV75-049-2433 SB Airflow Control Unit - Introduction of manifold and fluidic element assemblies with static vent orif

21/11/77 Initial

IGV75-050-2393 SB Airflow Control Unit - Introduction of bleed control valve assembly with re-designed bearing arrange

16/03/78 Initial

IGV75-051-2392 SB Bleed Valve Control Unit - Introduction of bleed control valve assembly with re-designed bearing arr

21/04/78 Initial754-1-32762-002

IGV75-051-2392 SB Bleed Valve Control Unit - Introduction of bleed control valve assembly with re-designed bearing arr

21/04/78 Initial754-1-32762-004

IGV75-052-2470 SB Airflow Control Unit - Introduction of airflow control unit AC 101 Mk 11 with revised response and a

18/05/78 1 10/07/78

IGV75-054-2457 (IGV75-54-2457)

SB Bleed Valve Control Unit - Introduction of bleed valve control unit AV 101 Mk 4 (Cal G) and identifi


IGV75-055-2466 SB Airflow Control Unit - Introduction of airflow control unit AC 101 Mk 13 with revised calibration

25/04/79 2 19/01/81

IGV75-056-2480 (IGV75-56-2480)

SB Actuating Ram Assembly - Introduction of actuating ram assembly AR 101 Mk 3 with reduced ram volume


IGV75-057-2472 (IGV75-57-2472)

SB Airflow Control Unit - Introduction of “Cal V” with revised limits 12/01/79 Initial754-1-32148-008 BASIC MANUAL

IGV75-058-2407 SB Bleed Valve Control Unit - Conversion of AV 101 Mk 4 “Cal G” units to AV 101 Mk 2 “Cal E” units and

11/06/79 Initial754-1-32762-004

IGV75-061-2482 (IGV75-61-2482)

SB Airflow Control Unit - Introduction of self lubricating spheric bearings in lever and push rod assem


IGV75-062-2535 SB Slave Ram - Introduction of Dowty composite seals to overcome high piston ring leakage

31/01/80 Initial

IGV75-063-2537 SB Master Ram and Control - Introduction of push rod and spheric assembly with separate replaceable sel

11/04/80 Initial

IGV75-064-2538 SB Slave Ram - Introduction of push rod and spheric assembly with separate replaceable self lubricating

11/04/80 Initial

IGV75-066-2543 (IGV75-66-2543)

SB Airflow Control Unit - Introduction of increased slope datum adjustment


IGV75-067-2568 (IGV75-67-2568)

SB Airflow Control Unit - Introduction of alternative remote capacitor bleed orifice plug to improve st


IGV75-068-2473 (IGV75-68-2473)

SB Airflow Control Unit - Introduction of external P4 temperature stabilising pipe assembly with a stre


IGV75-068-2473 (IGV75-68-2473)

SB Airflow Control Unit - Introduction of external P4 temperature stabilising pipe assembly with a stre


IGV75-069-2474 (IGV75-69-2474)

SB Airflow Control Unit - Introduction of seal at capacitor port transfer position on interface between




IGV75-069-2474 (IGV75-69-2474)

SB Airflow Control Unit - Introduction of seal at capacitor port transfer position on interface between


IGV75-072-2571 (IGV75-72) SB Minor Design Changes 09/03/81 Initial754-1-32148-008 BASIC MANUAL


IGV75-076-2576 SB Bleed Valve Control Unit - Introduction of bleed valve control unit AV 101 Mk 8 with revised calibra

08/01/82 Initial754-1-32762-002

IGV75-077-2587 (IGV75-77-2587)

SB Airflow Control Unit - Introduction of airflow control unit AC 101 Mk 17 with revised calibration to

09/06/82 1 29/11/85754-1-32148-008 BASIC MANUAL

IGV75-077-2587 (IGV75-77-2587)

SB Airflow Control Unit - Introduction of airflow control unit AC 101 Mk 17 with revised calibration to

09/06/82 1 29/11/85754-1-32148-013 BASIC MANUAL

IGV75-079-2612 (IGV75-79-2612)

SB Airflow Control Unit - Introduction of range of vent adjusters to improve control of unit gain


IGV75-079-2612 (IGV75-79-2612)



IGV75-080-2601 (IGV75-80-2601)

SB Airflow Control Unit - Introduction of separate carbon thrust bearing assembly with increased surfac

01/10/82 1 01/06/84754-1-32148-008 BASIC MANUAL

IGV75-080-2601 (IGV75-80-2601)


01/10/82 1 01/06/84754-1-32148-013 BASIC MANUAL

IGV75-080-2601 (IGV75-80-2601)


01/10/82 1 01/06/84754-1-32148-019 BASIC MANUAL

IGV75-081-2600 (IGV75-81-2600)

SB Airflow Control Unit - Introduction of an increased diameter feedback cam


IGV75-081-2600 (IGV75-81-2600)



IGV75-081-2600 (IGV75-81-2600)



IGV75-082-2625 (IGV75-82-2625)



IGV75-084-2639 (IGV75-84-2639)

SB Airflow Control Unit - Introduction of manifold and fluidic element assembly incorporating vent adju


IGV75-084-2639 (IGV75-84-2639)

SB Airflow Control Unit - Introduction of manifold and fluidic element assembly incorporating vent adju


IGV75-085-2641 (IGV75-85-2641)

SB Airflow Control Unit - Introduction of redesigned “Trim A” orifice with contamination inhibiting fea


IGV75-085-2641 (IGV75-85-2641)



IGV75-085-2641 (IGV75-85-2641)





IGV75-090-2668 SB Slave Ram - Introduction of Dowty composite shaft centre seal 27/01/86 Initial

IGV75-091-2690 (IGV75-91-2690)

SB Airflow Control Unit - Introduction of range of vent adjusters to improve control over unit gain

18/07/84 1 04/12/84754-1-32148-013 BASIC MANUAL

IGV75-091-2690 (IGV75-91-2690)

SB Airflow Control Unit - Introduction of range of vent adjusters to improve control over unit gain

18/07/84 1 04/12/84754-1-32148-019 BASIC MANUAL

IGV75-092-2727 (IGV75-92-2727)

SB Airflow Control Unit - Introduction of manifold and fluidic element assembly incorporating fluidic e


IGV75-092-2727 (IGV75-92-2727)

SB Airflow Control Unit - Introduction of manifold and fluidic element assembly incorporating fluidic e


IGV75-094-2704 SB Master Ram and Control - Introduction of master rams Mk 5, 6, 7 & 8 incorporating Dowty composite se

20/01/86 Initial

IGV75-095-2716 SB Slave Ram - Introduction of slave rams Mk 3, 3A & 4 to provide unique identification of rams incorpo

27/01/86 Initial

IGV75-096-2723 (IGV75-96-2723)

SB P4 Air Filter - Introduction of Type AF210 Mk 2 incorporating o25 micron filter element assembly


IGV75-097-2722 (IGV75-97-2722)

SB P4 Air Filter - Introduction of Type AF200 Mk 3 incorporating 25 micron filter element assembly


IGV75-102-2767 SB P4 Air Filter - Introduction of Type AF210 Mk 3 incorporating 7 micron filter element assembly


IGV75-104-2789 SB Introduction of calibrated AJ 10/01/89 Initial754-1-39785-001

IGV75-105-2801 SB Actuating Ram Assembly - Introduction of Vespel components between position indicator operating mech

28/08/89 Initial754-1-39743-002

IGV75-108-2794 SB Airflow Control Unit - Introduction of airflow control unit Type AC103 Mk 3 with extended PF and sta


IGV75-109-2795 SB Bleed Valve Control Unit - Introduction of bleed valve control unit Type AV103 Mk 2 with extended PF

22/12/89 Initial 22/12/89754-1-39744-001

IGV75-109-2795 SB Bleed Valve Control Unit - Introduction of bleed valve control unit Type AV103 Mk 2 with extended PF

22/12/89 Initial 22/12/89754-1-39744-002

IGV75-110-2805 SB Airflow Control Unit - Introduction of orifice “B” with extended thread form

22/12/89 Initial754-1-39785-001

IGV75-110-2805 SB Airflow Control Unit - Introduction of orifice “B” with extended thread form

22/12/89 Initial754-1-39785-003

IGV75-111-2806 SB Airflow Control Unit - Introduction of improved feedback driveshaft bearings of stainless steel in l






IGV75-112-2811 SB Airflow Control Unit - Introduction of machined “A’ and “B” orifices in stainless steel in lieu of n

27/02/90 Initial754-1-39785-001

IGV75-112-2811 SB Airflow Control Unit - Introduction of machined “A’ and “B” orifices in stainless steel in lieu of n

27/02/90 Initial754-1-39785-003

IGV75-114-2816 SB Airflow Control Unit - Deletion of silver plating 10/05/90 Initial754-1-39785-001

IGV75-114-2816 SB Airflow Control Unit - Deletion of silver plating 10/05/90 Initial754-1-39785-003

IGV75-115-2817 SB Airflow Control Unit - Introduction of manifold and element assembled by electroless nickel plating

31/05/90 Initial754-1-39785-001

IGV75-115-2817 SB Airflow Control Unit - Introduction of manifold and element assembled by electroless nickel plating

31/05/90 Initial754-1-39785-003

IGV75-116-2827 SB Actuating Ram Assembly - Introduction of Type 103 Mk 3 incorporating improved standard position indi


IGV75-116-G720 SB Introduction of New Airflow Control Unit 20/07/11 1 10/11/11754-1-39785-003



IGV75-116-G720 SB Introduction of New Airflow Control Unit 20/07/11 1 10/11/11754-1-39785-004

IGV75-118-2836 SB Airflow Control Unit - Introduction of airflow control unit Type AC103 Mk 50 with fixed datum contro


IGV75-118-2836 SB Airflow Control Unit - Introduction of airflow control unit Type AC103 Mk 50 with fixed datum contro




IGV75-120-2837 SB P4 Air Filter - Introduction of Type AF210 Mk 4 with filter element assembly deleted

02/12/92 2 27/10/95754-1-38545-002

IGV75-120-2837 SB P4 Air Filter - Introduction of Type AF210 Mk 4 with filter element assembly deleted

02/12/92 2 27/10/95754-1-38545-003

IGV75-121-2832 SB Airflow Control Unit - Introduction of manifold and element assembly with element assembled by elect


IGV75-121-2832 SB Airflow Control Unit - Introduction of manifold and element assembly with element assembled by elect


IGV75-122-2833 SB Airflow Control Unit - Deletion of silver plating 02/03/92 Initial754-1-32148-013 BASIC MANUAL

IGV75-122-2833 SB Airflow Control Unit - Deletion of silver plating 02/03/92 Initial754-1-32148-019 BASIC MANUAL

IGV75-126-2863 SB Actuating Ram Assy - Deletion of position indicator 30/09/96 Initial754-1-39743-002 BASIC MANUAL

IGV75-126-2863 SB Actuating Ram Assy - Deletion of position indicator 30/09/96 Initial754-1-39743-003 BASIC MANUAL

In24-13-477 SB Static Inverter 509-1-00430 - Improved securing of main transformer. 10/07/64 Initial

In24-27-632 SB Static Inverter 509-1-01090 7 -002 - Introduction of packing pieces. 13/10/66 Initial

Ind24-1-452 SB Introduction of ventilation holes. 09/03/64 1 24/04/64

Ind24-3 SB Change to minimum operating voltage of bi-stable indicators. 16/06/70 Initial

JPU28-1-2035 SB Prepared - Not issued Initial

JPU28-2-2253 SB Prepared - Not issued Initial

JPU28-3 SB Initial

JPU28-4-2453 SB Initial

K2523-24-001 SIL Obsolete Actuator 03/10/16 Initial53-0014

K2523-24-001 SIL Obsolete Actuator 03/10/16 InitialFRH010041

K2523-24-001 SIL Obsolete Actuator 03/10/16 InitialHTE190021

K2523-24-001 SIL Obsolete Actuator 03/10/16 InitialHTE190026

K2523-28-001 SIL PREMATURE RELEASE OF CMM 21/02/11 Initial65-5093-4






K2523-28-002 SIL New Level Sensor 05/03/12 Initial3540000-1

K2523-28-002 SIL New Level Sensor 05/03/12 Initial68-0008

K2523-28-003 SIL JET PUMP CHECK VALVE 24/06/13 Initial20K0032

K2523-28-003 SIL JET PUMP CHECK VALVE 24/06/13 Initial9843169L

K2523-28-006 SIL Introduction of NewB787 Boost Pump 26/09/13 Initial39-0001-1300

K2523-28-006 SIL Introduction of NewB787 Boost Pump 26/09/13 Initial39-0001-1400

K2523-28-007 SIL Introduction of Amdmt 2 Transfer Pump 28/04/14 Initial568-1-30760-200

K2523-28-008 SIL Introduction of New OJ Pump 29/04/14 Initial39-0002-1100

K2523-28-011 SIL FUEL SYSTEM - NEW FLAT SEAL Initial25P0001 ZODIAC TO AUTHOR

K2523-36-001 SIL SIL New NRV in Duct 05/04/11 Initial21V0020

K2523-36-001 SIL SIL New NRV in Duct 05/04/11 InitialFRH220033V

K2523-36-001 SIL SIL New NRV in Duct 05/04/11 InitialFRH220034V

K4413 SL3032793-002-29-02 SIL A380 Aircraft Engine Driven Pump (EDP) Initial3032793-002

K4413-24-001 SIL CSMG Removal Policy 09/01/15 Initial920582

L33-1-846 SB Improved insulation of battery stowage. 29/03/71 Initial614-1-03460

L33-1-846 SB Improved insulation of battery stowage. 29/03/71 Initial614-1-03470

L33-2-844 SB Introduction of sealed beam lamp unit. 17/05/71 Initial

L33-3-1007 SB Addition of RFI suppression. 02/01/75 Initial

LJ42376-80-01 SB DUCT, UPPER STARTER AIR, BEARING REPLACEMENT 24/02/10 InitialLJ42376

M28-1 SB Anti Icing Methanol Reservoir - Introduction of stainless steel inlet union.

31/03/69 Initial

M28-2 SB Anti Icing Methanol Reservoir - Introduction of improved jointing washers and modification plate.

15/07/69 Initial

Mo24-1-412 SB Introduction of insulators and terminal coding. 01/05/64 Initial

Mo24-2-517 SB Introduction of method of locating cover strap on commutator end housing.

01/09/65 Initial

Mo24-4-564 SB Introduction of welded lamination stack. 07/01/66 Initial

Mo24-5-641 SB Arc welding of armature conductors into commutator slots. 01/06/67 Initial

Mo24-6-657 SB Introduction of drive shaft roller bearing and distance piece. 27/02/69 Initial

Mo49-10-870 SB Change of brushes. 11/10/71 Initial

Mo49-11 SB Change of brushes. 20/12/71 Initial

Mo49-12-896 SB Change of brush holder terminal screw locking. 23/05/72 Initial

Mo49-13-925 SB Change of brushgear terminal screw and addition of plain washers. 22/11/72 Initial

Mo49-14-926 SB Change of brush springs. 22/11/72 Initial

Mo49-15 SB Change of brush gear assembly, cover strap and terminal studs. 23/01/74 Initial

Mo49-16-977 SB Introduction of improved drive. 29/04/74 Initial

Mo49-17-964 SB Introduction of brass bands on the armature assembly. 10/06/74 Initial

Mo49-18 SB Introduction of alternative brush and tag assembly. 16/05/75 Initial

Mo49-19-1035 SB Introduction of oil thrower on the coupling shaft. 04/07/75 1 14/01/76

Nash 28-1 SB Fuel pump and lock ring removal tool - Install longer shaft. 01/05/66 Initial

Nash 28-2 SB Fuel pump and lock ring - rework lock ring assembly and head. 15/05/66 Initial



Nash 28-3 SB Fuel pump and lock ring removal tool - Rework. 16/02/67 Initial

Nash 73-1 SB Engine fuel and control - Fuel Boost Pump - Install new by-pass valve and restriction plugs.

15/04/61 Initial

Nash 73-2 SB Engine fuel and control - Fuel Boost Pump - Install restriction plugs 15/03/62 Initial

Nash 73-3 SB Engine fuel and control - Fuel Boost Pump -Install bracket bearing assy spacer and/or shims.

01/10/64 Initial

Nash 73-4 SB Engine fuel and control - Fuel Boost Pump - Enlarge restriction holes or remove plugs (conversion of

15/11/67 Initial

Nash 73-5 SB Engine fuel and control - Fuel Boost Pump - Install improved coupling

15/01/77 Initial

PD78-01 SB Input Control Ram - Deletion of snub orifice from piston and shaft. 30/03/73 Initial

PD78-02 SB Air Motor Servo Unit - Changes to reduce wear of latch mechanism. 05/04/73 Initial

PD78-03 SB Bulkhead Mounted Vent Valve - Changes to reduce wear of piece parts.

09/04/73 Initial

PD78-04 SB Air Motor Servo Unit - Improved phasing gear bearing retention. 25/05/73 Initial

PD78-05 SB Air Motor Servo Unit - Introduction of facility to replenish grease in bearings.

24/07/73 Initial

PD78-06 SB Air Motor Unit - Elimination of axial movement of phasing gear bearings.

24/07/73 Initial

PD78-07 SB Air Motor Servo Unit - Improved latch location. 24/07/73 Initial

PD78-08 SB Gearbox Assembly - Introduction of glacier DU bearing. 08/08/73 Initial

PD78-09 SB Gearbox Assembly - Elimination of backlash on rotary valve. 22/08/73 Initial

PD78-10 SB Air Motor Servo Unit - Additional pipe clips to eliminate pipe vibration.

22/08/73 Initial

PD78-11 SB Pneumatic Drive Unit - Introduction of PDU 100 Mk 2. 19/11/73 Initial

PD78-12-2258 SB Air Motor Servo Unit - Elimination of axial movement of phasing gear bearings.

27/11/73 1 28/03/74

PD78-13 SB Pneumatic Drive Unit - Changes to facilitate fitment of unit to unmodified aircraft system.

14/01/74 Initial

PD78-16-2346 SB Pneumatic Drive Unit - Introduction of PDU 100 Mk 5 incorporating external microswitch above latch s

17/06/76 Initial

PD78-17-2395 SB Pneumatic Drive Unit - Introduction of PDU 100 Mk 6 incorporating changes to prevent latch mechanism

23/12/76 Initial

PD78-18-2421 SB Bulkhead Mounted Vent Valve - Introduction of improved operating lever assembly.

01/08/78 Initial754-1-29412 BASIC MANUAL

PD78-19-2499 SB Bulkhead Mounted Vent Valve - Introduction of centralising shims at operating lever assembly.

19/11/79 Initial754-1-29412 BASIC MANUAL

PD78-20 (PD78-20-2337(OM)) SB Pneumatic Drive Unit - Minor design changes. 25/02/88 Initial754-8-30574-005

PD78-20 (PD78-20-2337(OM)) SB Pneumatic Drive Unit - Minor design changes. 25/02/88 Initial754-8-30574-006

PD78-21-2582 SB Air Motor Servo Unit - Introduction of connecting rods with replaceable spherical bearings.


PD78-22-2588 SB Air Motor Servo Unit - Introduction of revised installation assembly at control rod eye ends.

16/03/81 Initial754-8-30574-000

PD78-23-2502 SB PR & SOV - Introduction of changes to simplify and improve reliability of indicator.






PD78-24-2583 SB PR & SOV - Introduction of corrosion resistant solenoid. 22/01/82 Initial754-1-30912-002 BASIC MANUAL

PD78-24-2583 SB PR & SOV - Introduction of corrosion resistant solenoid. 22/01/82 Initial754-1-30912-004 BASIC MANUAL

PD78-25-2584 SB PR & SOV - Introduction of changes to overcome unit instability. 22/01/82 Initial754-1-30912-002 BASIC MANUAL

PD78-25-2584 SB PR & SOV - Introduction of changes to overcome unit instability. 22/01/82 Initial754-1-30912-004 BASIC MANUAL

PD78-26-2591 SB Air Motor Servo Unit - Introduction of new seals and revised output shaft seal arrangement.


PD78-27-2599 SB PR & SOV - Introduction of changes to overcome possibility of valve opening at take off power.


PD78-27-2599 SB PR & SOV - Introduction of changes to overcome possibility of valve opening at take off power.


PD78-28-2606 SB Input Control Ram - Introduction of changes to improve operation and prevent bearing wear.

15/02/82 1 28/05/86754-8-30574-000 BASIC MANUAL

PD78-29-2618 SB PRV & SOV - Introduction of new piston ring configuration. 10/02/82 Initial754-1-30912-002 BASIC MANUAL

PD78-29-2618 SB PRV & SOV - Introduction of new piston ring configuration. 10/02/82 Initial754-1-30912-004 BASIC MANUAL

PD78-30-2624 SB Input Control Ram - Introduction of improved piston sealing rings. 22/04/82 Initial754-8-30574-005 BASIC MANUAL

PD78-30-2624 SB Input Control Ram - Introduction of improved piston sealing rings. 22/04/82 Initial754-8-30574-006 BASIC MANUAL

PD78-31 (PD78-31-2562(OM)) SB Pneumatic Drive Unit - Minor design changes. 14/07/86 Initial754-1-30574-005 BASIC MANUAL

PD78-32-2653 SB INPut Control Ram - Introduction of changes to improve unit operation and avoid latch hunt.


PD78-32-2653 SB INPut Control Ram - Introduction of changes to improve unit operation and avoid latch hunt.


PD78-33-2689 SB Air Motor Unit - Introduction of improved piston support bearing in latch operating air cylinder.


PD78-33-2689 SB Air Motor Unit - Introduction of improved piston support bearing in latch operating air cylinder.


PD78-34-2943 SB Introduction of new harness assembly 23/10/01 Initial754-8-30574-005

PRS73-1-2410 SB Introduction of PRS 102 Mk 3 with reduced switch operating point. 23/06/77 Initial

PRS73-2-2422 SB Introduction of improved sealing at switch housing and fluidic element interface.


PRS73-3-2458 SB Introduction of improved orifice assembly to overcome electrolytic corrosion.

18/12/78 Initial

PRS73-4-2132 SB Conversion of PRS 102 Mk 3 to PRS 102 Mk 2. 16/05/80 Initial

Pu28-01 SB BP.SPE.3365 Mk 1. Introduction of a vapour guide plate. 20/06/66 Initial

Pu28-02 SB FTP 080 Mk 2. Tighter control of interference limits. 18/07/66 Initial

Pu28-03 SB FTP 080. Introduction of cadmium plated end cover retaining screws.

18/08/66 Initial

Pu28-04 SB FTP 080. To introduce transport cover assembly 550/1/21251. 18/08/66 Initial

Pu28-05 SB BPSPE 404. Check on motor brush polarity. 27/04/67 Initial



Pu28-06 SB TRW 248800-4. Incorporate new pump locking screw and ’O’ rings. 07/11/67 Initial

Pu28-07 SB SPE 404. Introduction of an improved motor assembly. 29/01/68 Initial

Pu28-08 SB SPE 404. To reposition the motor unit in relation to the pump. 06/12/67 Initial

Pu28-09 SB TRW 249000-7. To revert to pre-mod P735 standard ’O’ rings. 04/06/69 Initial

Pu28-10 SB SPE 3365 Mk 1. Introduction of ident and Mod plate with improved attachment.

18/06/69 Initial

Pu28-11 SB SPE 3365 Mk 1. Incorrect assembly of filter. 25/07/69 Initial

Pu28-12 SB FTP 080 Mk 1 & 2. Introduction of motor more resistant to corrosion. 18/11/70 Initial

Pu28-13 SB TRW 249000-7. To introduce O-ring seals with greater cross section to improve sealing.

19/07/71 1 03/11/94

Pu28-14 SB BP1/RS Mk 6. SPE 19838. Introduction of improved sealing to the motor shaft.

17/11/71 InitialSPE19838

Pu28-15 SB TRW 249000-6 & TRW 248800-4. Clarification of current build standard.

02/01/75 Initial

Pu28-16 SB RC20D Mk 1, RC20E Mk 1. Introduction of Emralon PTFE coating to interior surfaces.

08/11/73 Initial

Pu28-17-2373 SB Isolating chamber. Introduction of isolating chamber Type 6821 Mk 3 incorporating vapour release va

18/11/76 Initial

Pu28-18-2396 SB BP Type 6516 Mk 1. Introduction of pump Type 6516 Mk 2 with new electrical connector and mounting.

26/09/77 Initial

Pu28-19-2475 SB TRW 249000-7. Introduction of new pump and housing assembly incorporating a more positive electrica

05/04/79 1 20/04/80249000-7

Pu30-1 SB DP.022/1. Conversion to DP.022/5. 15/07/66 Initial

Pu30-2 SB DP.022/4. Conversion to DP.022/6. 15/07/66 Initial

Pu30-3 SB DP.022/1. Introduction of a longer adjuster on the relief valve assembly.

13/07/66 Initial

Pu30-4 SB DP.022/5 & DP.022/6. Introduction of modified gears to increase end clearance between gears and end

12/06/68 Initial

Pu30-5 SB DP.022/5 & DP.022/6. Introduction of piece parts more resistance to corrosion.

05/02/70 Initial

Pu38-1 SB Water Pump SPE 234/W Mk 3 & 4. Introduction of improved method of sealing.

06/07/67 Initial

Pu38-2 SB Water Pump SPE 234/W Mk 3 & 4. Introduction of improved method of assembling the seal.

15/05/68 Initial

Pu49-1 SB Fuel Pump DP.022/2. Introduction of de-siliconised motor. 30/03/66 Initial

Pu72-1 SB GP 078C. Introduction of quillshaft with silver plated spline. 14/11/68 Initial

Pu72-2-2153 SB GP.078C. Introduction of quillshaft with beryllium copper splines at the drive gear end.

25/10/72 Initial

Pu72-3 SB GP.078C. Re-introduction of quillshaft in S.106 material with silver plated splines at the drive ge

15/07/76 Initial

Pu73-2 SB BP.230/6 Mk 5. Deletion of the drain valve assembly. 15/12/66 Initial

Pu73-3 SB BP.230/6 Mk 5. Change of gland drain union. 06/07/67 Initial

Pu73-4 SB BP.34 Mk 6. Cover Mod for existing modifications. 04/02/70 Initial

Pu73-5 SB BP.230/6 Mk 5. Introduction of new transportation blanks. 20/01/71 Initial550-1-00236

Pu9201-01 SB Introduction of 568-1-29500-003 (C17.DID L05/54) 01/08/96 Initial

RL24-1-176 SB Introduction of a redesigned contract bracket and new armature assembly.

27/11/62 Initial

RL24-2-185 SB Introduction of earthing tag. 10/02/64 Initial

RL24-3 SB Cold flow marks in nylon base. 15/12/67 Initial

RL24-4 SB Check of insulation resistance. 23/02/70 Initial

RL24-5-805 SB Introduction of dry nitrogen. 11/05/70 Initial

RT78-01 SB Selector Valve - Introduction of spring washers 04/01/65 Initial

RT78-02 SB Selector Valve - Introduction of new carbon bearing 04/01/65 Initial

RT78-03 SB Selector Valve - Introduction of transportation covers in rubber material

02/03/65 Initial

RT78-04 SB Twin Ram - Introduction of transportation covers in rubber material 02/03/65 Initial

RT78-05 SB Twin Ram - Introduction of an improved end cover 01/03/65 Initial

RT78-06 SB Selector Valve - Introduction of piston with two piston rings 12/04/65 Initial

RT78-07 SB Selector Valve - Improved method of mounting the magnet 27/09/65 Initial

RT78-08 SB Twin Ram - Identification of dowel bolts. 19/07/65 Initial

RT78-09 SB Twin Ram - Increased diametrical clearance between yoke and spherical collar

01/03/67 Initial

RT78-10 SB Selector Valve - Introduction of hard chrome plated spherical 12/06/67 Initial

RT78-11 SB Selector Valve - Introduction of modified body and bearing assembly 12/06/67 Initial

RT78-12 SB Twin Ram - Introduction of fluorosint piston rings 06/06/67 Initial

RT78-13 SB Selector Valve - Introduction of improved locking spring 06/06/67 Initial

RT78-14 SB Twin Ram - Improved resistance to corrosion 13/11/68 Initial

RT78-15-2372 SB Selector Valve - Introduction of rear body with increased vent port area

28/04/78 Initial

RT78-18-2887 SB Selector Valve - Increased selector piston locking load. 16/10/98 1 24/05/99754-1-15910

RT78-19-2882 SB Exhaust - Thrust Reverser - Introduction of new Connector Backshell on Secondary Lock

13/05/99 Initial

SA590 SB Jan 10/92 Initial

SB4950136-49-1 SB Intro APS Starter Motor MK 4 04/09/03 Initial501-1-14561-002 Issued Internally 04/12/2004

SB4950136-49-1 SB Intro APS Starter Motor MK 4 04/09/03 Initial501-1-14561-003 Issued Internally 04/12/2004

SIL-2007-01 SIL Type9209 Mounting Plate Wear Check 26/01/07 Initial568-1-29684-001

SIL-2007-01 SIL Type9209 Mounting Plate Wear Check 26/01/07 Initial568-1-29684-100

SIL-2007-02 SIL TYPE 8410 PUMP SUPPORT - CHANGED SUPPORT OPTIONS 01/03/07 Initial568-1-27202-002

SIL-2007-02 SIL TYPE 8410 PUMP SUPPORT - CHANGED SUPPORT OPTIONS 01/03/07 Initial568-1-27202-005

SIL-2007-02 SIL TYPE 8410 PUMP SUPPORT - CHANGED SUPPORT OPTIONS 01/03/07 Initial568-1-27202-02R

SIL-2007-02 SIL TYPE 8410 PUMP SUPPORT - CHANGED SUPPORT OPTIONS 01/03/07 Initial568-1-27202-05R

SIL-2007-04 SIL SPILL VALVE ASSY CHECK 01/05/07 Initial9406056 REPLACES SIL-CS-11-06



SIL-2007-05 SIL MK57 VALVE CANISTER - DIFFICULTY OF VALVE ELEMENT INSTALLATION

18/06/07 Initial1157020

SIL-2007-06 SIL CAPACITOR REFORMING FOR A380 PUMPS 12/09/11 Initial568-1-30750-101



SIL-2008-01 SIL FLUSH COVER AND CABLE ASSEMBLY 0727540 - SPLIT-RING AND CHAIN DAMAGE

21/01/08 Initial0727540

SIL-2008-03 SIL Introduction of Pump Variants 29/02/08 Initial568-1-30750-101



SIL-2008-04 SIL SPECIAL O-RING 29/02/08 1 16/04/08568-1-30750-101



SIL-2008-05 SIL INTRO OF NEW REMOVAL/INSTALl TOOL 29/02/08 Initial568-1-30750-101

SIL-2008-05 SIL INTRO OF NEW REMOVAL/INSTALl TOOL 29/02/08 Initial568-1-30750-151

SIL-2008-06 SIL STARTING - STARTER MOTOR - RE-LIFE 21/04/08 1 26/02/10501-1-13775-008

SIL-2008-07 SIL FUEL - TRIM TANK - INTRODUCE NEW CHECK VALVE 20/05/08 Initial21F0015

SIL-2008-07 SIL FUEL - TRIM TANK - INTRODUCE NEW CHECK VALVE 20/05/08 Initial9843034F

SIL-2008-08 SIL FUEL - ALTERNATIVE O-RING LUBRICANT 06/08/09 Initial568-1-27203-002

SIL-2008-09 SIL Changed Sealing Method for Captive Nuts 12/09/08 Initial568-1-28301-003

SIL-2008-10 SIL REFUEL / DEFUEL VALVE IN SERVICE FLIGHT EVALUATION 12/01/08 Initial1157060

SIL-2009-01 SIL TEMPERATURE SENSOR, REPLACEMENT 12/03/09 Initial3540000-3




SIL-2009-02 SIL FUEL, OPTIONAL PRESSURE SWITCH 16/03/09 1 07/07/09FRH100002A

SIL-2009-02 SIL FUEL, OPTIONAL PRESSURE SWITCH 16/03/09 1 07/07/09HTE69000-1

SIL-2009-03 SIL FUEL, OPTIONAL ELEMENT ASSEMBLY Initial1157060 CANCELLED

SIL-2009-03 SIL FUEL, OPTIONAL ELEMENT ASSEMBLY Initial25-0007 CANCELLED

SIL-2009-04 SIL CDCCL Component Returns Policy 18/06/09 1 18/10/1212H0011

SIL-2009-04 SIL CDCCL Component Returns Policy 18/06/09 1 18/10/1212M0034

SIL-2009-04 SIL CDCCL Component Returns Policy 18/06/09 1 18/10/1221M0018

SIL-2009-04 SIL CDCCL Component Returns Policy 18/06/09 1 18/10/1234-0001


SIL-2009-04 SIL CDCCL Component Returns Policy 18/06/09 1 18/10/1239-0001-1300



SIL-2009-04 SIL CDCCL Component Returns Policy 18/06/09 1 18/10/12568-1-26713-001



















SIL-2009-04 SIL CDCCL Component Returns Policy 18/06/09 1 18/10/127923245M

SIL-2009-05 SIL FUEL, APU PUMP, LIFE LIMITATION 17/07/09 Initial568-1-30780-100

SIL-2009-07 SIL INTRODUCTION OF IMPROVED TWIN MOTOR ACTUATOR 11/11/09 Initial53-0014

SIL-2009-07 SIL INTRODUCTION OF IMPROVED TWIN MOTOR ACTUATOR 11/11/09 InitialFRH010041

SIL-2009-08 SIL INTERCHANGEABILITY OF O-RING SEALS 14/10/09 Initial568-1-26713-001





SIL-2009-09 SIL A380 Time Line 06/11/09 Initial568-1-30750-101





SIL-2010-01 SIL Installation of FRS Couplings 14/06/10 InitialFRS110

SIL-2010-01 SIL Installation of FRS Couplings 14/06/10 InitialFRS480

SIL-2010-04 SIL FUEL - INTRODUCTION OF IMPROVED PUMP Initial568-1-30760-101 CANCELLED

SIL-2010-04 SIL FUEL - INTRODUCTION OF IMPROVED PUMP Initial568-1-30760-102 CANCELLED

SIL-CS-08-06 SIL TWIN MOTOR ACTUATOR IMPROVEMENT 08/08/06 InitialFRH010041



SIL-CS-10-06 SIL PUMP TYPE 8410 MK2 & MK5 NUT RETENTION 22/11/06 1 31/01/07568-1-27202-002

SIL-CS-10-06 SIL PUMP TYPE 8410 MK2 & MK5 NUT RETENTION 22/11/06 1 31/01/07568-1-27202-005

SIL-CS-10-06 SIL PUMP TYPE 8410 MK2 & MK5 NUT RETENTION 22/11/06 1 31/01/07568-1-27202-02R

SIL-CS-10-06 SIL PUMP TYPE 8410 MK2 & MK5 NUT RETENTION 22/11/06 1 31/01/07568-1-27202-05R

SIL-CS-1-03 SIL FR-PIPE CONCTRS - NON-AV OF THIOKOL 04/03/03 3 21/09/07FRS110



























SIL-CS-1-04 SIL HTE460009-1 DUCT AND NRV ASSEMBLY - PRODUCTION CANCELLED

19/05/04 InitialFRH220034V


19/05/04 InitialHTE460009


19/05/04 InitialHTE460009-1

SIL-CS-1-05 SIL GENERATOR MAIN ROTOR STACK -SUSPECT WINDINGS 09/02/05 Initial503-1-06680-003

SIL-CS-1-06 SIL MK 57 VALVE ELEMENT- FUEL SPILLAGE 27/01/06 Initial1157060 BASIC MANUAL

SIL-CS-11-06 (REPLACED BY SIL-2007-04)

SIL SPILL VALVE ASSY CHECK Initial9406056 *OUT OF PRINT

SIL-CS-2-03 SIL FUEL FLOW PROPORTIONER - DRYING PROCEDURE 27/03/03 Initial9901026

SIL-CS-2-04 SIL DOOR BY-PASS VALVE 20/08/04 1 10/10/05FRH530014D cancelled

SIL-CS-2-04 SIL DOOR BY-PASS VALVE 20/08/04 1 10/10/05HTE960023 cancelled

SIL-CS-2-05 SIL ACTUATOR IMPROVEMENT TRIAL 09/02/05 InitialFRH010041 TAIL No. A6-EKX ONLY

SIL-CS-2-06 SIL Acquisition of FR-HiTEMP by EATON 23/01/06 Initial

SIL-CS-3-03 SIL MK 57 REFUEL VALVE ELEMENT - OBSOLETE MATERIAL 15/04/03 Initial1157060

SIL-CS-3-04 SIL APU DUCT AND NRV OVERLENGTH SPRINGS 08/11/04 InitialFRH220034V

SIL-CS-3-05 SIL ELECTRICALLY ACTUATED FOUR PORT VALVE (LANDING GEAR SELECTOR VALVE) IMPROVEMENT TRIAL

10/05/05 Initial 10/05/05HTE9490-4 Rev 1 was deleted and reverted b

SIL-CS-3-06 SIL Pump type 8410 Gas Return Adaptor Nut Locking 31/01/06 Initial568-1-27202-005 SUPERSEDED BY 8410-28-04

SIL-CS-4-03 SIL ATA 28 - MFLI (OIT 999.0064/03) 21/07/03 InitialFRH050002








SIL-CS-4-04 SIL FLOAT SWITCH - DEFECTIVE MAGNET CHECK 22/11/04 1 04/01/05FRH060007

SIL-CS-4-05 SIL NON-PROCURABLE MFLIS 18/07/05 2 19/04/123508802-24











SIL-CS-4-06 SIL Replace cover plate assys with asbestos gaskets attached 14/02/06 Initial 14/02/06550-1-00236 BASIC

SIL-CS-5-05 SIL Alternative Union on AR101 Mk 300 Initial754-1-32156-003

SIL-CS-6-05 SIL Electrically Actuated 4 Port Valve (LGS) Improvement Trial 19/08/05 2 16/11/05HTE9490-4

SIL-CS-7-05 SIL FLUSH COVER - INCORRECT CIRCLIPS Initial0727510 TASK CANCELLED

SIL-CS-7-05 SIL FLUSH COVER - INCORRECT CIRCLIPS Initial0727540 TASK CANCELLED



SIL-CS-7-06 SIL Pump Type 8410 Mk 005 Nut Retention 1 08/05/06568-1-27202-005

SIL-CS-9-06 SIL V Band 9406556 Vband Assy 29/10/06 Initial7945201H


SIL-CS-9-06 SIL V Band 9406556 Vband Assy 29/10/06 Initial7945217F




SIL-CS-9-06 SIL V Band 9406556 Vband Assy 29/10/06 Initial9865222K

SIL-PS-01-00 SIL ALTERNATIVE PRESSURE REDUCING AND RELIEF VALVE 27/01/00 InitialFRH230003C

SIL-PS-01-00 SIL ALTERNATIVE PRESSURE REDUCING AND RELIEF VALVE 27/01/00 InitialHTE510005-1

SIL-PS-01-00 SIL ALTERNATIVE PRESSURE REDUCING AND RELIEF VALVE 27/01/00 InitialHTE510027-1

SIL-PS-1-94 SIL FRL AQUISITION OF HTE 10/08/94 Initial

SIL-PS-1-96 SIL TWIN MOTOR ACTUATORS - DAMAGED GEAR TEETH 22/01/96 InitialHTE190021

SIL-PS-1-96 SIL TWIN MOTOR ACTUATORS - DAMAGED GEAR TEETH 22/01/96 InitialHTE190026

SIL-PS-1-97 SIL REFUEL SOV - INTRO OF CRES SCREWS 14/04/97 Initial1158100-25



SIL-PS-2-94 SIL FRL AQUISITION OF HTE 21/12/94 Initial

SIL-PS-2-96 SIL IDENTIFICATION OF SOLENOID VALVE ASSY PN 3802045 15/02/96 Initial1158000-21

SIL-PS-2-96 SIL IDENTIFICATION OF SOLENOID VALVE ASSY PN 3802045 15/02/96 Initial3802045

SIL-PS-2-97 SIL TWIN MOTOR ACTUATOR - INGRESS OF MOISTURE 19/06/97 InitialHTE190021

SIL-PS-2-97 SIL TWIN MOTOR ACTUATOR - INGRESS OF MOISTURE 19/06/97 InitialHTE190026

SIL-PS-3-96 SIL AIRCRAFT AIRSCALATOR INSTALLATIONS 'GOOD HUSBANDRY 12/04/96 Initial

SIL-PS-4-96 SIL AIRSCALATOR CARRIAGE ASSY BANJO UNIONS - O-RING 06/06/96 Initial6010204

SIL-PS-4-96 SIL AIRSCALATOR CARRIAGE ASSY BANJO UNIONS - O-RING 06/06/96 InitialD14652








SIL-PS-5-96 SIL WASTE WATER DRAIN VALVE-BIOLOGICAL CONTAMINATION 25/04/97 4 23/04/139350021






SIL-PS-5-96 SIL WASTE WATER DRAIN VALVE-BIOLOGICAL CONTAMINATION 25/04/97 4 23/04/13FRH340003H

SIL-PS-5-96 SIL WASTE WATER DRAIN VALVE-BIOLOGICAL CONTAMINATION 25/04/97 4 23/04/13FRH340004




SIL-PS-5-96 SIL WASTE WATER DRAIN VALVE-BIOLOGICAL CONTAMINATION 25/04/97 4 23/04/13FRH340021H

SIL-PS-5-96 SIL WASTE WATER DRAIN VALVE-BIOLOGICAL CONTAMINATION 25/04/97 4 23/04/13FRH340031F

SIL-PS-6-96 SIL SINGLE MOTOR ACTUATOR - ALTVE ELECTRICAL CONNECTOR

19/09/96 1 20/06/97HTE210014

SIL-TP-1-88 SIL 01/11/88 Initial9201000-198 *OUT OF PRINT






SIL-TP-1-90 SIL REWRITE AND REISSUE OF MK 146 AIRSCALATOR MANUALS 07/12/90 InitialC14810

SIL-TP-1-92 SIL STANDARD PART NO CROSS REFERENCE CHART 16/07/93 3 16/12/98DUMMY

SIL-TP-1-93 SIL 26/05/93 InitialA14978 *OUT OF PRINT

SIL-TP-1-93 SIL 26/05/93 InitialA14979 *OUT OF PRINT

SIL-TP-2-91 SIL 20/06/91 Initial9350024 *OUT OF PRINT

SIL-TP-2-93 SIL 28/07/93 InitialC7706 *OUT OF PRINT




SK6674 SB NIPPLE Initial

SY24-1-562 SB Change of terminals. 24/05/65 Initial

SY24-2-578 SB Introduction of new gearhead. 16/02/66 Initial

SY24-5-912 SB Stregthening of rotor assembly 10/01/73 Initial

SY27-3-654 SB Introduction of heat shrunk tube over unit body. 20/04/67 1 10/02/69

SY27-4 SB Gearbox output shaft oversize splines 18/11/70 Initial

SY27-9-1000 SB Flight Controls - Flat and slat asymmetric warning system - Change of synchro unit

10/10/75 1 01/04/76

SY49-5-912 SB Generator, strengthening of rotor assembly 10/01/73 Initial

SY49-6-913 SB Introduction of one piece coil housing 12/10/73 Initial

SY49-7-971 SB Change of rotor assembly locking 22/04/74 Initial

SY49-8-975 SB Strengthening of rotor assembly 22/04/74 Initial

TP73-1 SB Life restriction of fuel transfer pumps. 10/07/64 Initial



TP73-2 SB FTP080 Mk 1 & 2. Introduction of drive pin to new specification. 13/10/64 Initial

TP73-3 SB FTP080 Mk 1 & 2. Introduction of reduced diameter gears. 13/10/64 Initial

TP73-4 SB FTP080 Mk 1 & 2. Introduction of a new spring. 23/11/64 Initial

TP73-5 SB FTP080 Mk 1 & 2. Introduction of a new sealing ring. 23/11/64 Initial

TP73-6 SB FTP080 Mk 1 & 2. Introduction of Seeger circlip on pump drive shaft.

12/04/65 Initial

Tr21-1-670 SB Strengthening brackets on transformer body 01/01/68 Initial

V28-1 SB Transfer Float Valve TFV 750 MK 4 - Introduction of changes to prevent corrosion and new nameplate w

24/04/70 Initial

V28-2 SB Tank Float Valve V1250 MK 1 - Introduction of a transit plug. 24/10/74 Initial

V75-1 SB Air - Shut Off Valve - Improved sealing of valve housing to valve body to prevent leakage.

07/08/68 Initial

V75-2 SB Air - Shut Off Valve - Improvements to resist the effects of vibration. 07/08/68 Initial

V75-3 SB Air - Shut Off Valve - Alternative circlip to retain filter assembly. 10/12/70 Initial

V75-4-2039 SB Air - Shut Off Valve - Introduction of improved solenoid assembly. 17/11/71 Initial

V801-1 SB Introduction of -003. Deletion of latch facility (C17 DID L05.54) SCP No. 96-17-D06017.

Initial


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