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Trent 700/Airbus A330Under Cowl Pocket Guide
Contents
1 Intake
2 Left Front C-Duct – Left Thrust Reverser
3 Left Fancase underside
4 Left Fancase
5 Left Side of Lower Fancase
(Start Air Control Valve)
6 EEC
7 PCU and OPU
8 Left Inner C-Duct
9 Left Variable Stator Vane (VSV) Actuator
10 Left Side Engine Core
11 Common Nozzle Assembly
12 Right Side Engine Core
13 Fuel Flow Transmitter
14 Right Variable Stator Vane (VSV) Actuator and
Turbine Case Cooling (TCC1) Solenoid Valve
15 Engine Handling Bleed Valve Controller
16 Right Inner C-Duct
17 Right C-Duct (Front) and Thrust Reverser
18 Right Fancase Underside
19 Oil Pump/FMU Detail
20 Air/Oil Heat Exchanger
21 Oil Tank
22 Fuel/Oil Heat Exchanger (FOHE)
23 Pylon Disconnect
24 Appendix – Maintenance messages
Trent 700/Airbus A330Under Cowl Pocket Guide
1 Intake
Area, Visual Inspection:
� Check the LP Compressor (Fan) blades and Inlet Guide Vane (IGV)
aerofoils for damage.
� Check LP Compressor for freedom of rotation.
� Check the LP Compressor blade tip rub strip for heavy wear.
� Check the blade root annulus fillers for cracks.
� Check the P20/T20 probe for damage and security.
� Check the Inlet Cowl for damage.
� Check the air intake fairing/spinner for damage and the security
of the rubber tip.
� Check EEC Cooling Duct Inlet and Outlet for cracking and
damage.
Item Description Ident
1 P20/T20 Probe 4014KS
2 Air Intake/Spinner
3 Inlet Cowl 5000EA
4 LP Blade Rubbing strip
5 EEC Cooling Duct Inlet
6 EEC Cooling Duct Outlet
2 Left Front C-Duct – Left Thrust Reverser
Area, Visual Inspection:
� Check harnesses for chafing, cuts, and security of connectors.
� Check the area for fuel/hydraulic oil leaks.
� Check pipes and harnesses for chafing and damage.
� Check the general area for damage, corrosion, seal condition and
cracks.
� Check the Pre-cooler Duct for cracks and rivet loss.
� Check the C-Duct V-Blade for damage
� Check all the Thrust Reverser installations are attached securely.
� Check the Pivot doors for damage and hinge wear.
� Check for Inhibition bolt security and presence.
Item Description Ident
1 Thrust Reverser (TR) Junction Box 4110KS
2 TR Power Control Module 4007EG
3 No. 4 TR Pivot Door Actuator 5002EG4
4 TR Primary Lock (2 off) 5003EG
5 No. 3 TR Pivot Door Actuator 5002EG3
6 C-Duct Actuation System ConnectionPoint
7 Inhibition Bolt and Plate Storage Point
8 Fire Seal
9 RVT Access Panel 4119KS
10 Tertiary Lock Access Panel 4005EG
11 Stow Switch (2 off) 4104KS
12 Pre-cooler duct Inlet
13 TR Pivot Door (2 off) 5005EG
14 TR Pivot Door Actuator (2 off)
15 V-Blade
3 Left Fancase Underside
Area, Visual Inspection:
� Check the area for fuel/oil leaks.
� Check the security of all pipe connections.
� Check pipes and harness clamps for chafing and general
condition.
� Check harnesses for chafing, cuts, abrasion and security of
connectors.
� Examine the external gearbox lower bevel housing for fretting.
Item Description Ident
1 IDG Air Cooled Oil Cooler 5001XT
2 IDG Cooler Exit Duct
3 Anti Icing Manual Lock Out
4 Anti Icing Pipe
5 Start Air Pipe
6 Starter Motor 5000ES
7 Anti Icing (TAI) Valve 4000DN
8 IDG Cable Connections
9 Integrated Drive Generator (IDG) 4000XU
10 Oil Outlet to Cooler Pipe
11 Oil Return from Cooler
12 Engine Drains Mast
13 QAD Ring 5000XT
14 IDG Disconnect Reset Ring
15 IDG Scavenge Filter
4 Left Fancase
Area, Visual Inspection:
� Check harnesses for chafing, cuts, abrasion and security of
connectors.
� Check pipes and harness clamps for chafing and general
condition.
� Check the security of all pipe connections.
� Check the Teflon sleeve (protective coating covering the Kevlar
wrap) for damage.
� Check the IDG Air Cooled Oil Cooler Outlet Seal for damage.
Item Description Ident
1 EUPB Cooling Air Inlet Pipe
2 EEC Suitcase
3 EUPB Cooling Air Outlet Pipe
4 P20 Air Tube Accumulator
5 Kevlar Wrap
6 Ignition Unit 2 4000EH2
7 Ignition Unit 1 4000EH1
8 Engine Identification Plate NA
9 Circuit 2 Igniter Lead 4001EH2
10 Circuit 1 Igniter Lead 4001EH1
11 IDG ACOC Oil Pipes
5 Left Side of Lower Fancase (Start Air Control Valve)
Area, Visual Inspection:
� Check harnesses for chafing, cuts, abrasion and security of
connectors.
� Check the area for oil leaks.
� Check the security of all pipe connections.
� Check pipes and harness clamps for chafing and general
condition.
Item Description Ident
1 Start Air Inlet Pipe
2 Remote Charge Converter 4006EV
3 Thrust Reverser Ground Safety Switch 4116KS
4 Start Air Valve (SAV) 4005KS
5 Manual Start Drive Point
6 Anti Icing Pipe
6 EEC
Area, Visual Inspection:
� Check the EEC mount security.
� Check harnesses for chafing, cuts, abrasion and security of
connectors.
� Check harness clamps for chafing and general condition.
� Check all pressure tubes for damage, security and tightness of
connections.
� Check the security of the Data Entry Plug, and integrity of lanyard.
� Check the EUPB Cooling Air Inlet, Outlet and debris guard are not
blocked.
� Check the Cooling Ducts are correctly attached at the EUPB.
Item Description Ident1 Power Control Unit (PCU) 4070KS2 Overspeed Protection Unit (OPU) 4072KS3 EEC No. 1, Channel A 4000KS-JA14 PCU/EEC, Channel A 4000KS-JA25 Pylon/EEC, Channel A 4000KS-JA36 Pylon/EEC, Channel B 4000KS-JA67 EEC No. 1, Channel B 4000KS-JA78 PCU/EEC Channel B 4000KS-JA89 EUPB Inlet Pipe10 Data Entry Plug (Not fitted in photo) 4091KS11 Engine Electronic Controller (EEC) 4000KS12 EEC/Core, Channel A 4000KS-JA413 Zone 1 – Fancase 2, Channel A 4000KS-JA514 EEC/Core, Channel B 4000KS-JA915 Zone 1–Fancase 2, Channel B 4000KS-JA1016 P25 Pressure Connection17 P160 Pressure Connection18 P30 Pressure Connection19 P50 Pressure Connection20 P20 Pressure Connection21 P0 Pressure Connection22 EUPB Outlet Pipe
7 PCU and OPU
Area, Visual Inspection:
� Check the PCU and OPU mount security.
� Check harnesses for chafing, cuts, abrasion and security of
connectors.
� Check harness clamps for chafing and general condition.
Item Description Ident
1 EEC/Core, Channel A 4072KS-OPU3
2 Hydraulic 2 – DDG PCU Channel B 4072KS-OPU2
3 PCU/EEC, Channel A 4070KS-J22
4 Hydraulic 2 – DDG PCU Channel B 4070KS-J21
5 Hydraulic 1– DDG PCU Channel A 4070KS-J20
6 Power Control Unit (PCU) 4070KS
7 Overspeed Protection Unit (OPU) 4072KS
8 Ignition Unit Channel B 4070KS-J27
9 Ignition Unit Channel A 4070KS-J26
10 Hydraulic 2 – DDG PCU Channel B 4072KS-OPU1
11 PCU/EEC Channel B 4070KS-J23
12 EEC/Core, Channel B 4072KS-OPU4
8 Left Inner C-Duct
Area, Visual Inspection:
� Check the fire seals for damage and security of attachment.
� Check the Thermal Blanket for damage and security of
attachment.
� Inspect the Thermal Blanket for evidence of contact with the core.
� Check the condition of the Pre-Cooler Duct interface seal and
mounting links.
� Check C-Duct Bumpers for wear.
� Check C-Duct Latches for security.
� Check Thrust Reverser/Common Nozzle Assembly rub blocks for
wear.
Item Description Ident
1 Twelve O'clock Beam
2 Pre-cooler Duct Mounting Links
3 Pre-cooler Duct
4 IP8 Port (2 off)
5 Upper Bumper (4 off)
6 Lower Bumper (4 off)
7 HP3 Port
8 Fire Seal
9 Latch, Position 1
10 Latch, Positions 5, 6 and 7
11 Pin Latch, Position 3 and 4
12 Six O'clock Beam
13 Latch, Position 2
9 Left Variable Stator Vane (VSV) Actuator
Area, Visual Inspection (Core Fairings Removed):
� Check the area for fuel/oil leaks.
� Check the security of all pipe connections.
� Check pipes and harness clamps for chafing and general
condition.
� Check harnesses for chafing, cuts, abrasion and security of
connectors.
� Examine all the mechanical components of the VSV system for
tightness and security.
� Check the VSV actuating mechanism for loose/missing bushes
and pin hole wear.
Area, Visual Inspection (Core Fairings In-Place):
� Check the area for fuel/oil leaks.
� Check the security of the Core Fairings.
� Check the Bypass area for damage, particularly OGV’s and Fan
Case Supports.
Item Description Ident
1 Fan Case Supports (A-Frame)
2 N1 & N2 Speed Probe(4087KS & 4089KS) ConnectorCh B (hidden) 3017VC
3 Spare N1 & N2 Speed Probes andTrim Balance Probe Connector(hidden) 3018VC
4 N1 & N2 Speed Probe(4087KS & 4089KS) ConnectorCh A (hidden) 3016VC
5 Outlet Guide Vanes (OGV's)
6 VSV Actuator Ram 4040KS1
7 HP Fuel Line Inlet
8 HP Fuel Line Exit
9 Zone 2 Fire Wire Connections 4032WD1 & 2
10 Left Side Engine Core
Area, Visual Inspection:
� Check the area for fuel/oil leaks.
� Check the security of all pipe connections.
� Check pipes and harness clamps for chafing and general
condition.
� Check harnesses for chafing, cuts, abrasion and security of
connectors.
� Check the Bleed Valve ducts for cracks, and seals for condition and
security.
� Inspect the step aside gearbox housing for cracking.
Item Description Ident1 Cabin Bleed Pressure Regulating
Valve 4001HA2 HP6 Air Offtake3 HP Cabin Bleed Regulating Valve 4000HA4 IP Turbine Forward Thermocouples 4084KS5 EGT Harness / EEC Lane A (4427KS)
Harness Connector 3005VC6 IP Turbine Rear Thermocouples 4083KS7 Turbine Overspeed Harness8 IP8 Bleed Valve (2 off, only 1 visible)9 IP Cabin Bleed Non-return Valve 7110HA10 Fuel Spray Nozzles11 T30 Thermocouple 4086KS312 EGT Harness / EEC Lane B (4428KS)
Harness Connector 3019VC13 HP3 Bleed Valve14 Igniter Plug, Circuit 2 4002EH215 EGT Thermocouple (11 off - 360º) 4045KS1-1116 VSV Actuator Control Unit 4081KS17 T Zone 3 Thermocouple 4008KS18 Manifold Fuel Filter (Partially hidden)
11 Common Nozzle Assembly
Area, Visual Inspection:
� Check LP Turbine Blades and Outlet Guide Vanes (OGV’s) for
damage.
� Check the area for evidence of oil leakage.
� Check the Pen-nib Fairing for signs of cracking and loose
fasteners.
� Check the seals and joints for security of attachment, wear and/or
damage.
� Check the lower strut attachment security.
� Check the side struts for wear at the attachment points.
Item Description Ident
1 Upper Strut
2 Upper deck (Trough)
3 Exit Nozzle
4 Pen-nib Fairing
5 Tail/Exhaust Cone (Plug)
6 Side Strut (4 off)
7 Outer Barrel Seal
8 Lower Strut
9 Exhaust Nozzle
10 Inner Annulus Seal
11 LP Turbine Bearing Support Case
12 LP Turbine OGV's
12 Right Side Engine Core
Area, Visual Inspection:
� Check the area for fuel/oil leaks.
� Check the security of all pipe connections.
� Check pipes and harness clamps for chafing and general
condition.
� Check harnesses for chafing, cuts, abrasion and security of
connectors.
� Check Turbine Case Cooling Manifold/Duct for cracks.
� Inspect the Turbine Case Cooling Valve and check for freedom of
movement.
� Check Bleed Valve ducts for cracks, and seals for condition and
security.
Item Description Ident
1 Airborne Vibration Monitoring(AVM) Unit 4002EV
2 IP Turbine Case Cooling Air Valve
3 Turbine Case Cooling Actuator
4 T30 Thermocouple (2 off, KS2 shown) 4086KS
5 HP3 Bleed Valve (2 off)
6 Vibration Junction Box 4007EV
7 IP8 Bleed Valve (2 off)
8 IP/LP Case Cooling Manifold
9 Fuel Manifold
10 EGT Thermocouple (11 off - 360º) 4045KS1-11
11 Igniter Plug, Circuit 1 4002EH1
12 HP Fuel Filter Housing
13 Anti Icing Off Take
14 Step Aside Gearbox
15 T25 Thermocouple 4036KS
13 Fuel Flow Transmitter
Area, Visual Inspection:
� Check the area for fuel/oil leaks.
� Check the security of all pipe connections.
� Check pipes and harness clamps for chafing and general
condition.
� Check harnesses for chafing, cuts, abrasion and security of
connectors.
Item Description Ident
1 Fuel Metering Unit (FMU) 4071KS
2 Fuel Temp.Thermocouples (if fitted) 4018KS1/2
3 Fuel Pump 5050EB
4 Fuel Flow Meter/Transmitter 4010KS
5 Fuel Exit Tube
6 Fuel Inlet Tube
7 EEC Channel A Harness
8 Fuel Manifold Drains Tube blankposition for Core Washing
14 Right Variable Stator Vane (VSV) Actuator and Turbine Case Cooling (TCC1)Solenoid Valve
Area, Visual Inspection:
� Check area for fuel/oil leaks.
� Check security of all pipe connections.
� Check pipes and harness clamps for chafing and general
condition.
� Check harnesses for chafing, cuts, abrasion and security of
connectors.
� Examine all the mechanical components of the VSV system for
tightness, security and damage.
1Sometimes referred to as Turbine Impingement Cooling (TIC)
Item Description Ident
1 Lower Fancase Support Strut
2 HP Fuel Inlet
3 HP Fuel Inlet
4 VSV Actuator Ram 4040KS2
5 TCC Solenoid Valve 4078KS
6 Air Outlet Pipe
7 Channel B Connector 4078KS-B
8 Channel A Connector 4078KS-A
9 Air Inlet Pipe
15 Engine Handling Bleed Valve Controller
Area, Visual Inspection:
� Check security of all pipe connections.
� Check pipes and harness clamps for chafing and general
condition.
� Check harnesses for chafing, cuts, abrasion and security of
connectors.
� Check Outlet Guide Vanes (OGV’s) and LP (Fan) Case supports for
damage.
Item Description Ident
1 IP/HP Bleed Valve Solenoid Pack 4079KS
2 Channel A Connector 4079KS A
3 Channel B Connector 4079KS B
4 A - HP3 Servo Air to HP3.3 B/V
5 B - HP3 Servo Air to IP8.2 B/V
6 C - HP3 Servo Air to HP3.2 B/V
7 D - HP3 Servo Air to IP8.1 B/V
8 E - HP3 Servo Air to HP3.1 B/V
9 F - HP3 Air Supply
10 Fancase Support Struts
16 Right Inner C-Duct
Area, Visual Inspection:
� Check the fire seals for damage and security of attachment.
� Check the Thermal Blanket for damage and security of
attachment.
� Inspect the Thermal Blanket for evidence of contact with the core.
� Check the condition of the Turbine Case Cooling Duct and
interface seal.
� Check C-Duct Bumpers for wear.
� Check C-Duct Latches for security.
� Check Thrust Reverser/Common Nozzle Assembly rub blocks for
wear.
Item Description Ident
1 IP8 Bleed Valve Port (2 off)
2 HP3 Bleed Valve Port (2 off)
3 Turbine Case Cooling Duct
4 Twelve O'clock Beam
5 Upper Bumper (4 off)
6 Latch Access Panel
7 Lower Bumper (4 off)
8 Fire Seal
9 Latch Keeper Position 1
10 Latch Keeper Position 2
11 Six O'clock Beam
12 Pin Latch keeper Position 3 and 4
13 Latch Keeper Position 5, 6 and 7.
14 ACAC Duct (PRE SB 78-C080)
17 Right C-Duct (Front) and Thrust Reverser
Area, Visual Inspection:
� Check harnesses for chafing, cuts, and security of connectors.
� Check the area for fuel/hydraulic oil leaks.
� Check pipes and harnesses for chafing and damage.
� Check the general area for damage, corrosion, seal condition and
cracks.
� Check the C-Duct V-Blade for damage.
� Check all the Thrust Reverser installations are attached securely.
� Check the Pivot doors for damage and hinge wear.
� Check for Inhibition bolt security and presence.
Item Description Ident
1 TRU Direction Control Unit 4118KS
2 No. 1 TR Pivot Door Actuator 5002EG1
3 TR Primary Lock (2 off) 5003EG
4 No. 2 TR Pivot Door Actuator 5002EG2
5 C-Duct Actuation SystemConnection Point
6 Inhibition Bolt and Plate Storage Point
7 Fire Seal
8 V-Blade
9 RVT Access Panel 4119KS
10 Tertiary Lock Access Panel 4005EG
11 Stow Switch 4104KS
12 Pivot Door (2 off) 5005EG
13 Actuator (2 off)
14 Hinge Access Panels
18 Right Fancase Underside
Area, Visual Inspection:
� Check area for fuel/oil leaks.
� Check the security of all pipe connections.
� Check harnesses for chafing, cuts, abrasion and security of
connectors.
� Check pipes and harness clamps for chafing and general
condition.
� Check the security of the Hydraulic Pump studs.
� Inspect the Dedicated Generator for oil contamination and
evidence of overheating.
Item Item Description Ident
1 Dedicated Generator 4044KS
2 Fuel Drains Tank (partially hidden)
3 Front Hydraulic Pump (No 2) 4000JG2/3
4 Oil System Centrifugal Breather
5 Drains Mast
6 Breather Pipe
7 Fuel Pump Dry Drain
8 Front Hydraulic Pump Dry Drain
9 Rear Hydraulic Pump Dry Drain
10 Starter Motor/IDG Dry Drain
11 Oil Tank/Fuel Drains Tank Wet Drain
12 VSV/AOHE/FMU Dry Drain
19 Oil Pump/FMU Detail
Area, Visual Inspection:
� Check area for fuel/oil leaks.
� Check the security of all pipe connections.
� Check harnesses for chafing, cuts, abrasion and security of
connectors.
� Check pipes and harness clamps for chafing and general
condition.
� Check the security of the MCDs.
Item Description Ident1 Oil Pump 5001EN2 Low Oil Pressure Switch 4000EN3 Pressure Oil Filter DP Switch 4041KS4 Pressure Filter Housing 5004EN5 Priming Valve6 Oil Pressure Transmitter 4060KS17 Oil Pressure Transmitter (hidden) 4060KS28 Tail Bearing Housing MCD9 Front Bearing Housing MCD10 HP/IP Turbine MCD11 Internal Gearbox MCD12 Intermediate Gearbox MCD13 External Gearbox MCD14 Fuel Pumps 5050EB15 LP Fuel Pump Flow Washer Filter16 FMU Dump Valve17 Electrical Connector 4071KS-C18 Electrical Connector (hidden) 4071KS-B19 Electrical Connector 4071KS-A20 Fuel Metering Unit (FMU) 4071KS
20 Air/Oil Heat Exchanger
Area, Visual Inspection:
� Check the condition of Air Oil Heat Exchanger (AOHE) seal.
� Check area for fuel/oil leaks.
� Check security of all pipe connections.
� Check pipes and harness clamps for chafing and general
condition.
� Check harnesses for chafing, cuts, abrasion and security of
connectors.
Item Description Ident
1 Air/Oil Heat Exchanger (AOHE) 4073KS
2 AOHE Servo Valve
3 AOHE Oil Inlet Pipe
4 AOHE Oil Outlet Pipe
5 AOHE Pressure Relief Valve
6 Hydraulic System Drain Filter (2 off) 5013JM1/2
7 AOHE Torque Motor (Hidden) 4073KS
8 Rear Hydraulic Pump – Green System 4000JG1
9 Front Hyd. Pump – Blue System(No.1 Eng) 4000JG2
9 Front Hyd. Pump – Yellow System(No.2 Eng) 4000JG3
10 Hydraulic Pump Connector 4001JG1-A
11 Fuel Pumps 5050EB
21 Oil Tank
Area, Visual Inspection:
� Check oil cap and O-ring for damage.
� Check Tank oil level (per AMM).
� Check area for fuel/oil leaks.
� Check security of all pipe connections.
� Check pipes and harness clamps for chafing and general
condition.
� Check harnesses for chafing, cuts, abrasion and security of
connectors.
Item Item Description Ident
1 Oil Tank
2 Oil Level Sight Glass
3 Vent Tube
4 Oil Quantity Transmitter 4050KS
5 Oil Filler
6 Pressure Overflow Connection(if fitted)
7 Pressure Fill Connection (if fitted)
8 Oil Temperature Thermocouple (2 off) 4042KS
9 Scavenge Filter DifferentialPressure Switch 4076KS
10 Master Magnetic Chip Detector
11 Scavenge Filter Assembly 5005EN
12 Oil from Scavenge Pumps
13 Hydraulic System Drain Filter (2 off)
14 Air/Oil Heat Exchanger (AOHE) 4073KS
15 C-Duct Hold Open Rod
22 Fuel/Oil Heat Exchanger (FOHE)
Area, Visual Inspection:
� Check the security of the fuel pressure differential and low
pressure switches.
� Check the security of the FOHE mountings.
� Check the area for fuel/oil leaks.
� Check the security of all pipe connections.
� Check pipes and harness clamps for chafing and general
condition.
� Check harnesses for chafing, cuts, abrasion and security of
connectors.
� Check the Teflon sleeve (protective coating covering the Kevlar
wrap) for damage.
Item Description Ident
1 Fuel/Oil Heat Exchanger 5002EN
2 LP Fuel Line
3 Fuel Inlet
4 Hydraulic 1 Low Pressure Switch 4001JG1
5 Hydraulic 2 Low Pressure Switch 4001JG2
6 Oil Pressure Relief Bypass Valve
7 Fuel Filter Cap
8 Fuel Filter Casing 5051EB
9 Fuel Drain Plug
10 Hydraulic Pulsation Damper (2 off)
11 Fuel Filter Differential PressureSwitch 4034KS
12 Fuel Filter Bypass Valve (hidden)
13 Fuel Low Pressure Switch 4075KS
23 Pylon Disconnet
Area, Visual Inspection:
� Check harnesses for chafing, cuts, abrasion and security of
connectors.
� Check area for fuel/hydraulic oil leaks.
� Check security of all pipe connections.
� Check pipes and harness clamps for chafing and general
condition.
� Check the Teflon sleeve (protective coating covering the Kevlar
wrap) for damage.
Item Description Ident
1 No. 1 Hydraulic Pump Pressure Tube
2 No. 1 Hydraulic Pump Suction Tube
3 Pylon Disconnect
4 No. 2 Hydraulic Pump Suction Tube
5 No. 2 Hydraulic Pump Pressure Tube
6 TR Pop Out Indication
7 Thrust Reverser Isolation Control Unit 4117KS
8 Isolation Lever (in Normal position)
9 TR Hydraulic Filter (hidden)
10 No. 2 Hydraulic Pump Drain Tube
11 No. 1 Hydraulic Pump Drain Tube
12 LP Fuel Line
24 Appendix – Maintenance Messages
29 92 00 RELAYi (39CEi)/TERTIARY LOCK PCM (Ei-4007EG) Engine Test:Thrust Reverser Test Thrust Reverser Independent 4007EG 2 & 17 10RELAYi (39CEi) Engine Test:Thrust Reverser Test Locking Sys.
71 52 82 HARNESS (Ei-4427KS) EGT TC None3 Engine Gas Temperature (EGT) 4427/8KS 10 5 & 1271 52 83 HARNESS (Ei-4428KS) EGT TC None3 Harness & Thermocouple73 11 41 FLTR DP SW (Ei-4034KS)/FUEL FLTR (Ei-5051EB) Ground Scan Fuel Filter (LP) 5051EB 22 873 12 41 FUEL PUMP (Ei-5050EB)/FUEL LP SW (Ei-4075KS) Engine Run4 Fuel Pump (LP) 5050EB 19 14
FUEL PUMP (Ei-5050EB)/FUEL LP SW (Ei-4075KS) Engine Run4 Fuel Low Pressure Switch 4075KS 22 1373 21 00 P30 PRESSURE TUBE Engine Run5 P30 Pressure Tube No Ref. 6 1873 21 00 P50 PRESSURE TUBE Engine Run5,6 P50 Pressure Tube No Ref. 6 1973 21 11 P20/T20 PROBE (Ei-4014KS)HEATER/115 VAC PWR SPLY Engine Test – P20/T20 Probe Test P20T20 Probe 4014KS 1 1
P20/T20 PROBE (Ei-4014KS) T20 A Ground ScanP20/T20 PROBE (Ei-4014KS) T20 B Ground ScanP20/T20 PROBE (Ei-4014KS) T20 Ground ScanP20/T20 PROBE (Ei-4014KS) T20/ADIRU 1/2 (1FP1/2) Engine Run7
P20/T20 PROBE (Ei-4014KS)/P20 PRESSURE TUBE Check Last Leg Report(s)8
P20/T20 PROBE (Ei-4014KS) P20 TUBE/ADIRU 1 (1FP1) Check Last Leg Report(s)8
P20/T20 PROBE (Ei-4014KS) P20 TUBE/ADIRU 2 (1FP2) Check Last Leg Report(s)8
ATA Code2 Maintenance message Fault confirmation Item description FIN Ident Section Item
2 For fault in Airbus Trouble Shooting Manual3 Inspect harness.4 Start engine, run to idle, stabilise for at least 5 minutes, switch off the boost pump for 1 minute while at idle, switch on boost pump, shut down. An ECAM message
with the boost pump off indicates a deteriorated fuel pump.5 Start engine, run to idle, stabilise for at least 5 minutes, shut down, read Last Leg Report(s)6 Check ECAM for “N1 RATED MODE SELECTED”. If not shown then fly the aircraft.7 Start engine, run to idle, stabilise for at least 2 minutes, use the ACMS Parameter Call Up menu and monitor the T20 values from the aircraft (TAT) and the engine
(T20V), shut down.8 Also, inspect P20 tube for blockage/leakage
ATA Code2 Maintenance message Fault confirmation Item description FIN Ident Section Item
73 21 12 DATA ENTRY PLUG (Ei-4091KS) A FADEC System Test Data Entry Plug 4091KS 6 10DATA ENTRY PLUG (Ei-4091KS) B FADEC System TestDATA ENTRY PLUG (Ei-4091KS) FADEC System Test
73 21 13 FUEL TEMP THERMOCOUPLE (Ei-4018KS1) Ground Scan Fuel Temperature Thermocouples 4018KS1/2 13 2FUEL TEMP THERMOCOUPLE (Ei-4018KS2) Ground ScanFUEL TEMP THERMOCOUPLE (Ei-4018KS1 + 2) Ground Scan
73 21 34 EEC (Ei-4000KS) FADEC System Test9 Engine Electronic Controller (EEC) 4000KS 6 1173 21 35 PCU (Ei-4070KS) 22V A Ground Scan via channel B10 Power Controller Unit (PCU) 4070KS 7 6
PCU (Ei-4070KS) 22V B Ground Scan via channel A10
PCU (Ei-4070KS) RELAY IGN A Engine Test – Igniter TestPCU (Ei-4070KS) RELAY IGN B Engine Test – Igniter TestPCU (Ei-4070KS) RELAYS Engine Test – Igniter TestPCU (Ei-4070KS) N3 A Engine Run5 PCU N3 Signal 4070KSPCU (Ei-4070KS) N3 B Engine Run5
PCU (Ei-4070KS) N3 Engine Run5
PCU (Ei-4070KS) TC A Ground Scan PCU Internal Temperature 4070KSPCU (Ei-4070KS) TC B Ground Scan ThermocouplesPCU (Ei-4070KS) TC Ground ScanPCU (Ei-4070KS) + OPU (Ei-4072KS) None – cooling ductsPCU (Ei-4070KS) P20/T20 RELAY A Engine Test – P20/T20 Probe Test P20/T20 Probe 4014KSPCU (Ei-4070KS) P20/T20 RELAY B Engine Test – P20/T20 Probe Test
9 Perform system test when the failure has been detected without engine running. Also check for blocked EUPB cooling ducts.10 If ECAM warning “EPR MODE FAULT” is shown. However, if ECAM shows “LP SHAFT PROT LOSS” and “IGN SUPPLY FAULT”, carry out Engine Run5.
73 21 36 OPU (Ei-4072KS) Engine Run5 Overspeed Protection Unit (OPU) 4072KS 7 7OPU (Ei-4072KS) HARNESS N1A Engine Run5,11 OPU to EEC HarnessOPU (Ei-4072KS) HARNESS N1B Engine Run5,11
OPU (Ei-4072KS) HARNESS N1 Engine Run5
OPU (Ei-4072KS) HARNESS N2A Engine Run5
OPU (Ei-4072KS) HARNESS N2B Engine Run5
OPU (Ei-4072KS) HARNESS N2 Engine Run5
OPU (Ei-4072KS) HARNESS A Engine Run5
OPU (Ei-4072KS) HARNESS B Engine Run5
OPU (Ei-4072KS) HARNESS Engine Run5
73 21 51 DEDICTD ALTNR (Ei-4044KS)/PCU (Ei-4070KS) 22V A Engine Run5 Alternator (EEC dedicated) 4044KS 18 1DEDICTD ALTNR (Ei-4044KS)/PCU (Ei-4070KS) 22V B Engine Run5
DEDICTD ALTNR (Ei-4044KS)/PCU (Ei-4070KS) 22V Engine Run5
DEDICTD ALTNR (Ei-4044KS)/PCU (Ei-4070KS) Engine Run5
73 21 52 FMU (Ei-4071KS Engine Run5 Fuel Metering Unit (FMU) 4071KS 19 20FMU (Ei-4071KS) FMV TM A FADEC System Test Fuel metering Valve (FMV)FMU (Ei-4071KS) FMV TM B FADEC System TestFMU (Ei-4071KS) FMV TM FADEC System TestFMU (Ei-4071KS) FMV POS A Ground ScanFMU (Ei-4071KS) FMV POS B Ground ScanFMU (Ei-4071KS) FMV POS Ground ScanFMU(Ei-4071KS)/FUEL FLOW TRANSMITTER(Ei-4010KS) None – Confirm on next flight
ATA Code2 Maintenance message Fault confirmation Item description FIN Ident Section Item
11 Check ECAM for “ENG i MINOR FAULT” and “ENG i LP SHAFT PROT LOSS”
ATA Code2 Maintenance message Fault confirmation Item description FIN Ident Section Item
73 21 52 FMU (Ei-4071KS) SOV POS A Engine Run5 High Pressure Shut-Off ValveFMU (Ei-4071KS) SOV POS B Engine Run5 (HPSOV)FMU (Ei-4071KS) SOV POS Engine Run5,12
FMU (Ei-4071KS) AUTOSTART SOV TM A FADEC System TestFMU (Ei-4071KS) AUTOSTART SOV TM B FADEC System TestFMU (Ei-4071KS) AUTOSTART SOV TM FADEC System TestFMU (Ei-4071KS)/ENG MASTER SWi (2KCi) Wet Motoring Test13 Master Lever Torque Motor WindingFMU (Ei-4071KS) LP TOS SOV TM Engine Run5,12
FMU (Ei-4071KS) OPU SOV TM Engine Run5 LP Turbine Overspeed Protection System73 25 34 EIVMUi(1KSi)NORM115V FADEC System Test, Channel B only14 Ignition No Ref 4 6 & 7
EIVMUi(1KSi)EMERG115V FADEC System Test, Channel A14
73 31 11 FUEL FLOW TRANSMITTER (Ei-4010KS) Wet Motoring Test15 Fuel Flow Transmitter 4010KS 13 473 34 11 FLTR DP SW (Ei-4034KS) Ground Scan Fuel Filter Differential Pressure 4034KS 22 11
FLTR DP SW (Ei-4034KS)/FUEL FLTR (Ei-5051EB) Ground Scan Switch (LP)74 00 00 IGNITION SYSTEM 1 Engine Test: Igniter Test Ignition 4000EH1/2 4 6 & 7
IGNITION SYSTEM 2 Engine Test: Igniter Test 75 21 49 EUPB COOLING AIR DUCTS/PCU (Ei-4070KS) None16 Electronic Unit Protection Box No Ref 4 1 & 3
EUPB COOLING AIR DUCTS/EEC (Ei-4000KS) None16 (EUPB) Cooling Ducts
12 Check ECAM for “ENG i LP SHAFT PROT LOSS”.13 Perform the Wet Motoring Test and check ECAM for “ENG i HP FUEL VALVE HP FUEL VALVE NOT CLOSED”.14 If no fault found, then perform Engine Test: Igniter Test.15 Perform a wet crank and look for fuel flow indication.16 Manually inspect cooling ducts and suitcase, and then change unit(s) if fault continues.
ATA Code2 Maintenance message Fault confirmation Item description FIN Ident Section Item
75 24 52 TURB IMPINGEMENT COOLING SOL (Ei-4078KS) A FADEC System Test Turbine Case Cooling (TCC) 4078KS 14 5TURB IMPINGEMENT COOLING SOL (Ei-4078KS) B FADEC System Test Solenoid ValveTURB IMPINGEMENT COOLING SOL (Ei-4078KS) FADEC System Test
75 33 00 VSV SYSTEM/VSV CONTROL UNIT (Ei-4040KS1) Engine Test:VSV Test Variable Stator Vanes (VSV) 4040KS1/2 9 6System 14 4
75 33 51 VSV CONTROL UNIT (Ei-4081KS) TM A Engine Test:VSV Test Variable Stator Vanes (VSV) 4081KS 10 16VSV CONTROL UNIT (Ei-4081KS) TM B Engine Test:VSV Test Control UnitVSV CONTROL UNIT (Ei-4081KS) TM Engine Test:VSV Test
75 33 53 BLEED VALVE CONTROLLER (Ei-4079KS) Engine Run5 Bleed Valve Solenoid Pack 4079KS 15 1BLEED VALVE CONTROLLER(Ei-4079KS) HP3.1 SOL A Engine Run5
BLEED VALVE CONTROLLER(Ei-4079KS) HP3.1 SOL B Engine Run5
BLEED VALVE CONTROLLER(Ei-4079KS) HP3.2 SOL A Engine Run5
BLEED VALVE CONTROLLER(Ei-4079KS)HP3.2 SOL B Engine Run5
BLEED VALVE CONTROLLER(Ei-4079KS HP3.3 SOL A Engine Run5
BLEED VALVE CONTROLLER(Ei-4079KS) HP3.3 SOL B Engine Run5
BLEED VALVE CONTROLLER (Ei-4079KS) IP8.1 SOL A Engine Run5
BLEED VALVE CONTROLLER (Ei-4079KS) IP8.1 SOL B Engine Run5
BLEED VALVE CONTROLLER (Ei-4079KS) IP8.2 SOL A Engine Run5
BLEED VALVE CONTROLLER (Ei-4079KS) IP8.2 SOL B Engine Run5
75 33 54 VSV ACTUATOR (Ei-4040KS1) Engine Test:VSV Test Variable Stator Vanes (VSV) 4040KS1/2 9 6VSV ACTUATOR (Ei-4040KS2) Engine Test:VSV Test Actuators 14 4
75 41 11 NACELLE TEMP TC (Ei-4008KS) Ground Scan Nacelle Temperature (Tzone3) 4008KS 10 17Thermocouple
ATA Code2 Maintenance message Fault confirmation Item description FIN Ident Section Item
77 11 00 N2 COMPRESSOR SPEED PROBE (Ei-4089KS1) None – Read Last Leg Report Shaft (IP) Speed Indicator – 4089KS1/2/3 9 2N2 COMPRESSOR SPEED PROBE (Ei-4089KS2) None – Read Last Leg Report N2 ProbeN2 COMPRESSOR SPEED PROBE (Ei-4089KS3) None – Read Last Leg ReportN2 COMPRESSOR SPEED PROBE (Ei-4089KS2+3) Engine Run5
N2 COMPRESSOR SPEED PROBE (Ei-4089KS1+3) Engine Run5
N2 COMPRESSOR SPEED PROBE (Ei-4089KS1+2+3) Engine Run5
77 11 00 N1 COMPRESSOR SPEED PROBE (Ei-4087KS1) None – Read Last Leg Report Shaft (LP) Speed Indicator – 4087KS1/2/3 9 1N1 COMPRESSOR SPEED PROBE (Ei-4087KS2) None – Read Last Leg Report N1 Probe, CompressorN1 COMPRESSOR SPEED PROBE (Ei-4087KS3) None – Read Last Leg ReportN1 COMPRESSOR SPEED PROBE (Ei-4087KS2+3) Engine Run5,17
N1 COMPRESSOR SPEED PROBE (Ei-4087KS1+3) Engine Run5,17
N1 COMPRESSOR SPEED PROBE (Ei-4087KS1+2+3) Engine Run5,17
77 11 00 N1 TURBINE SPEED PROBE(Ei-4088KS1/ None – Read Last Leg Report Shaft (LP) Speed Indicator – 4088KS1/2/34088KS2/4088KS3) N1 Probe, TurbineN1 TURBINE SPEED PROBE (Ei-4088KS1+2) Engine Run5,17
N1 TURBINE SPEED PROBE (Ei-4088KS2+3) Engine Run5,17
N1 TURBINE SPEED PROBE (Ei-4088KS1+3) Engine Run5,17
N1 TURBINE SPEED PROBE (Ei-4088KS1+2+3) Engine Run5,17
77 21 00 EGT SYSTEM Ground Scan Engine Gas Temperature (EGT) 4427/8KS 10 5 & 12System
17 Check for ECAM warning “ENG i LP SHAFT PROT LOSS”
ATA Code2 Maintenance message Fault confirmation Item description FIN Ident Section Item
77 22 11 IP TURBINE FORWARD TC (Ei-4084KS) A Ground Scan18 IP Turbine Overheat 4083KS & 10 4 & 6IP TURBINE FORWARD TC (Ei-4084KS) B Ground Scan18 Thermocouple 4084KSIP TURBINE FORWARD TC (Ei-4084KS) Ground ScanIP TURBINE REAR TC(Ei-4083KS)A) Ground Scan18
IP TURBINE REAR TC(Ei-4083KS)B Ground Scan18
IP TURBINE REAR TC (Ei-4083KS) Ground Scan77 33 11 T25 IP COMPRESSOR EXIT THERMOCOUPLE (Ei-4036KS) Ground Scan IP Compressor Exit TC (T25) 4036KS 12 1577 33 12 T30 HP COMPRESSOR EXIT TC (Ei-4086KS1+2+3) Ground Scan HP Compressor Exit 4086KS1/2/3 10 11
Thermocouple (T30) 12 478 31 11 TR GND SAF SW (Ei-4116KS)/HARNESS (Ei-4415KS) Engine Test:Thrust Reverser Test Ground Safety Switch 4116KS 5 3
TR GND SAF SW (Ei-4116KS)/HARNESS (Ei-4416KS) Engine Test:Thrust Reverser TestTR GND SAF SW (Ei-4116KS) Engine Test:Thrust Reverser Test
78 31 12 TR RVT (Ei-4119KS1/2/3/4)/JUNCTIONBX(Ei-4110KS) A Ground Scan Thrust Reverser Rotary Variable 4119KS1/ 2 & 17 9TR RVT (Ei-4119KS1/2/3/4)/JUNCTIONBX(Ei-4110KS) B Ground Scan Transducers (RVT) 2/3/4TR RVT (Ei-4119KS1/2/3/4)/JUNCTIONBX (Ei-4110KS) Ground ScanTR RVT (Ei-4119KS1/2/3/4)/ACT (Ei-5002EG1/2/3/4) Ground Scan19
78 31 13 TR STOW SW (Ei-4104KS1)/JUNCTION BX (Ei-4110KS) Visual Inspection20, Thrust Reverser Stow Switch 4104KS1/ 2 & 17 11top right pivot door 2/3/4
TR STOW SW (Ei-4104KS2)/JUNCTION BX (Ei-4110KS) Visual Inspection20, bottom right pivot doorTR STOW SW (Ei-4104KS3)/JUNCTION BX (Ei-4110KS) Visual Inspection20, bottom left pivot doorTR STOW SW (Ei-4104KS4)/JUNCTION BX (Ei-4110KS) Visual Inspection20, top left pivot door
18 Check ECAM for “ENG i MINOR FAULT”19 Ground scanning followed by removal of RVT KS1, followed by Ground Scan, then refit. Then similar for RVTs KS2 - KS4. If no maintenance messages are generated,
then carry out the Thrust Reverser Test.20 Examine the outer surface of the pivot doors to see if they align with the outer surface of the fan cowl doors. If they are aligned, perform a Ground Scan.
If no maintenance messages are generated, carry out an Engine Test: Thrust Reverser Test.
ATA Code2 Maintenance message Fault confirmation Item description FIN Ident Section Item
78 31 41 ISOLATION CONTROL UNIT(Ei-4117KS) PRESSURE SW Engine Test:Thrust Reverser Test Thrust Reverser Isolation 4117KS 23 7ISOLATION CONTROL UNIT (Ei-4117KS) Engine Test:Thrust Reverser Test Control UnitISOLATION CONTROL UNIT (Ei-4117KS) MAN INHIB A Ground Scan21
ISOLATION CONTROL UNIT (Ei-4117KS) MAN INHIB B Ground Scan21
ISOLATION CONTROL UNIT (Ei-4117KS) MAN INHIB Ground Scan21,22
ISOLATION CONTROL UNIT (Ei-4117KS) IV SOL A Engine Test:Thrust Reverser TestISOLATION CONTROL UNIT (Ei-4117KS) IV SOL B Engine Test:Thrust Reverser TestISOLATION CONTROL UNIT (Ei-4117KS) IV SOL Engine Test:Thrust Reverser Test
78 31 51 TR DVC (Ei-4118KS) SOL A EIVMUi (1KSi) Engine Test:Thrust Reverser Test Thrust Reverser Direction 4118KS 17 1TR DVC (Ei-4118KS) SOL B EIVMUi (1KSi) Engine Test:Thrust Reverser Test Control UnitTR DVC (Ei-4118KS) SOL EIVMUi (1KSi) Engine Test:Thrust Reverser Test
78 37 51 TERTIARY LOCK (Ei-4005EG1/2/3/4) Engine Test:Thrust Reverser Test23 Thrust Reverser Tertiary Locks 4005EG1/ 2 & 17 10T LOCK (Ei-4005EG1/2/3/4)/PCM (Ei-4007EG) Engine Test:Thrust Reverser Test23 & Microswitches 2/3/4
79 00 00 OIL SYSTEM None24 Oil Pressure Transmitter 4060KS1/2 19 6 & 779 21 51 AIR OIL HEAT EXCHANGER (Ei-4073KS) TM A FADEC System Test Air Oil Heat Exchanger (AOHE) 4073KS 20 1
AIR OIL HEAT EXCHANGER (Ei-4073KS) TM B FADEC System TestAIR OIL HEAT EXCHANGER (Ei-4073KS) TM FADEC System TestAIR OIL HEAT EXCHANGER (Ei-4073KS) LVDT A Ground ScanAIR OIL HEAT EXCHANGER (Ei-4073KS) LVDT B Ground ScanAIR OIL HEAT EXCHANGER (Ei-4073KS) FADEC System Test
21 Perform Ground Scanning with the isolation control unit in the NOT inhibited mode followed by Ground Scanning with the isolation control unit in the inhibitedmode.
22 This message is given whenever the “MANUAL INHIBIT” lever is in the “INHIBIT” position. No trouble shooting is required for this condition.23 Also, check relay 38CEi.24 Check for ECAM warning “OIL LO PR”. Check oil quantity, if normal check oil pressure transmitters.
79 22 43 HP OIL FLTR (Ei-5004EN)/FLTR DP SW (Ei-4041KS) Ground Scan/Engine Run5,25 Pressure Oil Filter 5004EN 19 479 22 45 SCAV OIL FILTER (Ei-5005EN)/FLTR DP SW (Ei-4067KS) Ground Scan/Engine Run5,25 Scavenge Oil Filter 5005EN 21 1179 31 11 OIL QUANTITY TRANSMITTER (Ei-4050KS) Ground Scan26 Oil Quantity Transmitter 4050KS 21 479 32 11 OIL TEMP THERMOCOUPLE (Ei-4042KS1) Ground Scan Oil Temperature Thermocouple 4042KS1/2 21 8
OIL TEMP THERMOCOUPLE (Ei-4042KS2) Ground ScanOIL TEMP THERMOCOUPLES (Ei-4042KS1+2) Ground Scan
79 33 11 OIL PRESSURE TRANSMITTER (Ei-4060KS1) Ground Scan Oil Pressure Transmitter 4060KS1/2 19 6 & 7OIL PRESSURE TRANSMITTER (Ei-4060KS2) Ground ScanOIL PRESSURE TRANSMITTER (Ei-4060KS1+2) Ground Scan
79 35 11 FLTR DP SW (Ei-4041KS) Ground Scan Pressure Oil Filter, 4041KS 19 3Differential Pressure Switch
79 35 12 FLTR DP SW (Ei-4076KS) Ground Scan Scavenge Oil Filter, 4076KS 21 9Differential Pressure Switch
80 11 51 STARTER CONTROL VALVE (Ei-4005KS) SOL A Engine Test: Dry Motoring Start Air Control Valve (SCV) 4005KS 5 4STARTER CONTROL VALVE (Ei-4005KS) SOL B Engine Test: Dry MotoringSTARTER CONTROL VALVE (Ei-4005KS) SOL Engine Test: Dry MotoringSTARTER CONTROL VALVE (Ei-4005KS) POS A Engine Test: Dry MotoringSTARTER CONTROL VALVE (Ei-4005KS) POS B Engine Test: Dry MotoringSTARTER CONTROL VALVE (Ei-4005KS) Engine Test: Dry Motoring
ATA Code2 Maintenance message Fault confirmation Item description FIN Ident Section Item
25 If there are no faults reported in Ground Scan with the Filter Differential Pressure Switch, then carry out an Engine Run5 and check for maintenance message andECAM warning “ENG i OIL FILTER CLOG”.
26 Check cockpit SD DU, and engine oil tank sight glass.
Airbus AMM Task References
Ground Scan 73-21-60-740-808
FADEC System Test 73-21-60-710-812
Engine Test: Wet Motoring 71-00-00-720-827
Engine Test: Dry Motoring 71-00-00-720-828
Engine Test: Thrust Reverser Test 78-31-00-740-802
Engine Test: Igniter Test 74-00-00-710-804
Engine Test: P20/T20 Probe Test 73-21-00-740-807
Engine Test: VSV Test 75-33-00-740-801
®
© 2001 Rolls-Royce plc
The information and instructions in this booklet are prepared for general information purposes only.
The data contained herein shall be considered in no way as replacing or superseding the information
contained in the Rolls-Royce RB211 Trent 700 series Airbus A330 Maintenance Manual.
Misc 30046 Issue 1 May 2001
Printed in England
Compiled by Kevin Shaw, Product Support
Guy Turner, Product Support
Rolls-Royce plc
PO Box 31,
Derby DE24 8BJ
www.rolls-royce.com
®