FR 47 UPPER RADIUS - NDT INSPECTION 1 EXITMENU A300 / A300-600 FR 47 upper radius A300 / A300-600 FR...

FR 47 UPPER RADIUS - NDT INSPECTION1

EXITMENU

A300 / A300-600A300 / A300-600FR 47 upper radiusFR 47 upper radius

NDT INSPECTIONNDT INSPECTION


EXITMENU

The purpose of this CD ROM is to assist NDT inspectors The purpose of this CD ROM is to assist NDT inspectors inin

carrying out:carrying out:

- FR 47 Upper radius inspection -- FR 47 Upper radius inspection -

As per:As per:

A300 NTM 53-15-29 ( SB 53-0246)A300 NTM 53-15-29 ( SB 53-0246)OrOr

A300-600 NTM 57-10-42 (SB 53-6029)A300-600 NTM 57-10-42 (SB 53-6029)

The purpose of this CD ROM is to assist NDT inspectors The purpose of this CD ROM is to assist NDT inspectors inin

carrying out:carrying out:

- FR 47 Upper radius inspection -- FR 47 Upper radius inspection -

As per:As per:

A300 NTM 53-15-29 ( SB 53-0246)A300 NTM 53-15-29 ( SB 53-0246)OrOr

A300-600 NTM 57-10-42 (SB 53-6029)A300-600 NTM 57-10-42 (SB 53-6029)

NOTE:NOTE:

UNDER NO CIRCUMSTANCE THE CD CONTENT SHOULD NOT SUPERSEDEUNDER NO CIRCUMSTANCE THE CD CONTENT SHOULD NOT SUPERSEDE

THE NTM PROCEDURETHE NTM PROCEDUREOROR

THE SERVICE BULLETINTHE SERVICE BULLETIN

NOTE:NOTE:

UNDER NO CIRCUMSTANCE THE CD CONTENT SHOULD NOT SUPERSEDEUNDER NO CIRCUMSTANCE THE CD CONTENT SHOULD NOT SUPERSEDE

THE NTM PROCEDURETHE NTM PROCEDUREOROR

THE SERVICE BULLETINTHE SERVICE BULLETIN

INTRODUCTION


EXITMENU

CABIN

CENTER TANKWING TANK

FR47Front side (LH)

CABIN

CENTER TANK WING TANK

INSPECTED AREA

CABIN

MLG BAY

FR 47 FRONT FACE

FR 47 REAR FACE

FR 47 DESCRIPTION


FR47FRONT face

CRACK

LH SIDE

“A”

EXITMENU

FR47SIDE VIEW

“A”

CRACK

CRACK

LH SIDE

FR47BACK face

“A”

POSSIBLE DAMAGE

Fatigue cracks emanating from the upper radius and propagating through the frame 47Fatigue cracks emanating from the upper radius and propagating through the frame 47Fatigue cracks emanating from the upper radius and propagating through the frame 47Fatigue cracks emanating from the upper radius and propagating through the frame 47

PICTURE OF UNASSEMBLED PART GIVEN FOR BETTER UNDERSTANDING


EXITMENU

INSPECTION AREAS

FUSELAGEFUSELAGELH sideLH side

EDDY CURRENTEDDY CURRENT

WINGWING

FWD

KEEL DOUBLER

FR 47

KEEL DOUBLER


NTMNTM

EXITMENU

Click here to play again

INSPECTION AREAS

CABINCABIN

ULTRASONICULTRASONIC


NTMNTM

EXITMENU

INSPECTION AREAS

LATERAL PANELKEEL DOUBLER

RIB1

CABIN

CTR TANK

WING TANK


EXITMENU

CABIN FLOORCABIN FLOOR

US INSPECTIONUS INSPECTION

Inspection areaInspection area

KEEL DOUBLERKEEL DOUBLER

WING TOP SURFACEWING TOP SURFACEInspection areaInspection area

FRAME 47FRAME 47

- FLOORS PANELS REMOVED- PIPES REMOVED- FLOORS PANELS REMOVED- PIPES REMOVED

- FAIRINGS REMOVED- FAIRINGS REMOVEDEC INSPECTIONEC INSPECTION

ACCESS

FRAME 47FRAME 47

FWD

LH side

LH side


EXITMENU

EDDY CURRENTINSPECTION


ULTRASONIC INSPECTION

L < 8 mm (0.314 in) CRACK L > 8 mm (0.314 in)L > 8 mm (0.314 in)

SBSB

Re-inspectionat xxx FC

INSPECTION FLOW- CHART


EXITMENU



ULTRASONIC INSPECTIONULTRASONIC INSPECTION

INSPECTION METHODS


EDDY CURRENTEDDY CURRENTEDDY CURRENTEDDY CURRENT

INSPECTIONINSPECTIONINSPECTIONINSPECTION

MENU EXIT


Fatigue cracks emanating from the upper radius of frame 47Fatigue cracks emanating from the upper radius of frame 47

Fatigue cracks emanating from the upper radius of frame 47Fatigue cracks emanating from the upper radius of frame 47

DAMAGE

MENU EXIT

EDDY CURRENT INSPECTION


EXITMENU

A . The equipment used in the development of this procedure is as follows :A . The equipment used in the development of this procedure is as follows :

(1) Instrument(1) Instrument : LOCATOR Type UH from HOCKING: LOCATOR Type UH from HOCKING

(2) Probe(2) Probe : 206P4F, NFe, Shielded, 2MHz from HOCKING: 206P4F, NFe, Shielded, 2MHz from HOCKING

(3) Calibration Standard(3) Calibration Standard : Al 29A029 from HOCKING: Al 29A029 from HOCKING

NOTENOTE :Any comparable Eddy Current equipment may be used provided that it satisfies the requirements of this :Any comparable Eddy Current equipment may be used provided that it satisfies the requirements of this procedure and is capable of resolving the reference slot in the calibration standard at the required level of procedure and is capable of resolving the reference slot in the calibration standard at the required level of resolution.resolution.

A . The equipment used in the development of this procedure is as follows :A . The equipment used in the development of this procedure is as follows :

(1) Instrument(1) Instrument : LOCATOR Type UH from HOCKING: LOCATOR Type UH from HOCKING

(2) Probe(2) Probe : 206P4F, NFe, Shielded, 2MHz from HOCKING: 206P4F, NFe, Shielded, 2MHz from HOCKING

(3) Calibration Standard(3) Calibration Standard : Al 29A029 from HOCKING: Al 29A029 from HOCKING

NOTENOTE :Any comparable Eddy Current equipment may be used provided that it satisfies the requirements of this :Any comparable Eddy Current equipment may be used provided that it satisfies the requirements of this procedure and is capable of resolving the reference slot in the calibration standard at the required level of procedure and is capable of resolving the reference slot in the calibration standard at the required level of resolution.resolution.

EQUIPMENT AND MATERIALS



EXITMENU

A . Set the required frequency (2 MHz).A . Set the required frequency (2 MHz).

B . Use the calibration standard Al 29A029 to calibrate the instrument for lift off and zero,B . Use the calibration standard Al 29A029 to calibrate the instrument for lift off and zero,

in accordance with the manufacturer’s instructions.in accordance with the manufacturer’s instructions.

C . Position the probe directly over the 1 mm (0.039 in.) slot in the calibration standard C . Position the probe directly over the 1 mm (0.039 in.) slot in the calibration standard

and adjust the instrument sensitivity so that the meter needle is at 100% of full scale.and adjust the instrument sensitivity so that the meter needle is at 100% of full scale.

A . Set the required frequency (2 MHz).A . Set the required frequency (2 MHz).

B . Use the calibration standard Al 29A029 to calibrate the instrument for lift off and zero,B . Use the calibration standard Al 29A029 to calibrate the instrument for lift off and zero,

in accordance with the manufacturer’s instructions.in accordance with the manufacturer’s instructions.

C . Position the probe directly over the 1 mm (0.039 in.) slot in the calibration standard C . Position the probe directly over the 1 mm (0.039 in.) slot in the calibration standard

and adjust the instrument sensitivity so that the meter needle is at 100% of full scale.and adjust the instrument sensitivity so that the meter needle is at 100% of full scale.

CALIBRATION



EXITMENU

NTMNTM

- Position the probe near to the inspection area and adjust lift-off and zero as necessary.Position the probe near to the inspection area and adjust lift-off and zero as necessary.

- Carry out the inspection using the probe position and scanning movement as illustrated- Carry out the inspection using the probe position and scanning movement as illustrated ..

- Position the probe near to the inspection area and adjust lift-off and zero as necessary.Position the probe near to the inspection area and adjust lift-off and zero as necessary.

- Carry out the inspection using the probe position and scanning movement as illustrated- Carry out the inspection using the probe position and scanning movement as illustrated ..

INSPECTION




EXITMENU

CRACKCRACK

-A crack will be indicated by a sharp meter needle deflection to the right A crack will be indicated by a sharp meter needle deflection to the right 25% of full scale. 25% of full scale. -A crack will be indicated by a sharp meter needle deflection to the right A crack will be indicated by a sharp meter needle deflection to the right 25% of full scale. 25% of full scale.

INSPECTION

CRACK


CRACK


EXITMENU

L

SBSB


L < 8 mm (0.314 in)Re-inspect

CRACK

L > 8 mm (0.314 in)

L

Note: The crack length “ L” is taken from the back face of the frame.The crack length “ L” is taken from the back face of the frame.

Note: The crack length “ L” is taken from the back face of the frame.The crack length “ L” is taken from the back face of the frame.

FWD



EXITMENU

ULTRASONICULTRASONICULTRASONICULTRASONIC

INSPECTIONINSPECTIONINSPECTIONINSPECTION


EXITMENU

GENERAL


RECORDING OF CRACKRECORDING OF CRACK STARTSTART

POSITION IN THE RADIUSPOSITION IN THE RADIUS

STEP 1STEP 1

RECORDING OF CRACKRECORDING OF CRACK DEPTH and ENDDEPTH and END

POSITION IN THE FRAMEPOSITION IN THE FRAME

STEP 2STEP 2

-THE ULTRASONIC INSPECTION IS MADE IN 2 STEPS-

STEP 1 : RECORDING OF CRACK START POSITION IN THE RADIUS

STEP 2 : RECORDING OF CRACK DEPTH and END POSITION IN THE FRAME


EXITMENU

RECORDING OF THE CRACK START POSITION IN THE RADIUS

KEEL DOUBLER

RADIUS


STEP 1STEP 1The principle is to locate the crack relative to a reference line, which is the projection ofThe principle is to locate the crack relative to a reference line, which is the projection of

the keel doubler on the radiusthe keel doubler on the radius

crack

Reference


EXITMENU

NTMNTM

--Put the reference location tool PN 99A57103013007 on the Keel Doubler and record Put the reference location tool PN 99A57103013007 on the Keel Doubler and record (with a fine permanent pen) the position in the radius of the reference line mark.(with a fine permanent pen) the position in the radius of the reference line mark.

--Put the reference location tool PN 99A57103013007 on the Keel Doubler and record Put the reference location tool PN 99A57103013007 on the Keel Doubler and record (with a fine permanent pen) the position in the radius of the reference line mark.(with a fine permanent pen) the position in the radius of the reference line mark.

NTM

INSPECTION




EXITMENU

NTMNTM

REFERENCE LINE MARKREFERENCE LINE MARK

CRACKCRACK

The crack position on the radius will be determined relative to this reference line markThe crack position on the radius will be determined relative to this reference line markThe crack position on the radius will be determined relative to this reference line markThe crack position on the radius will be determined relative to this reference line mark



EXITMENU

NTMNTM

-Place the transparency vernier PN 99A57103013006 on the radius and adjust it’s position until -Place the transparency vernier PN 99A57103013006 on the radius and adjust it’s position until

the zero of the transparency vernier coincides with the crack origin on the back face of the the zero of the transparency vernier coincides with the crack origin on the back face of the

fitting framefitting frame

-Place the transparency vernier PN 99A57103013006 on the radius and adjust it’s position until -Place the transparency vernier PN 99A57103013006 on the radius and adjust it’s position until

the zero of the transparency vernier coincides with the crack origin on the back face of the the zero of the transparency vernier coincides with the crack origin on the back face of the

fitting framefitting frame

INSPECTION




EXITMENU

NTMNTM

POINT1POINT1

LH RECORD SHEETPN 99A57103013005

-Read on the transparency vernier the distance between the zero and the marked-Read on the transparency vernier the distance between the zero and the marked

line and record this value on the “record sheet” (12 in this example)line and record this value on the “record sheet” (12 in this example)

--This is Point 1-This is Point 1-

REFERENCE LINE MARKREFERENCE LINE MARK

CRACKCRACK

12

INSPECTION



EXITMENU

RECORDING OF CRACK DEPTH AND END POSITION.RECORDING OF CRACK DEPTH AND END POSITION. RECORDING OF CRACK DEPTH AND END POSITION.RECORDING OF CRACK DEPTH AND END POSITION.


STEP 2STEP 2

D


EXITMENU

AIRBUS KIT PN 99A57103013000

EQUIPMENT AND MATERIALS

(1) Instrument(1) Instrument : USN 52 L from KRAUTKRAEMER GMBH: USN 52 L from KRAUTKRAEMER GMBH

(2) AIRBUS kit(2) AIRBUS kit :PN 99A57103013000 including:PN 99A57103013000 including

-Search unit: -Search unit: A5068, Al, 5 MHz, 60° Transverse wave from A5068, Al, 5 MHz, 60° Transverse wave from PanametricsPanametrics

-Cable -Cable LCMC 74-2 from PanametricsLCMC 74-2 from Panametrics

-Reference standard -Reference standard PN 99A57103027000PN 99A57103027000

-Search unit template-Search unit template PN 99A57103013001PN 99A57103013001

-Transparency vernier-Transparency vernier PN 99A57103013006PN 99A57103013006

LH search unit position template: PN 99A57103013002LH search unit position template: PN 99A57103013002

-RH search unit position template: PN 99A57103013003-RH search unit position template: PN 99A57103013003

-LH record sheet:-LH record sheet: PN 99A57103013004 PN 99A57103013004

-RH record sheet:-RH record sheet: PN 99A57103013005 PN 99A57103013005

-Reference location tool-Reference location tool PN 99A57103013007 PN 99A57103013007


Note: Except for the instrument, none alternative equipment


CABIN FLOOR

FR 47

MENU EXIT

ACCESS



NTMNTM

A . Adjust the instrument for a 100 mm (3.937 in.) range transverse wave in Aluminum (10 divisions on the screen).A . Adjust the instrument for a 100 mm (3.937 in.) range transverse wave in Aluminum (10 divisions on the screen).B . Using the reference standard PN 99A57103027000, couple the search unit in line with the slot 1.B . Using the reference standard PN 99A57103027000, couple the search unit in line with the slot 1.

C . Adjust the search unit position to obtain a maximum amplitude signal from the slot and adjust C . Adjust the search unit position to obtain a maximum amplitude signal from the slot and adjust the delay to position the maximum slot echo at 6 divisions on the time base line.the delay to position the maximum slot echo at 6 divisions on the time base line.

MENU EXIT

CALIBRATION




D . Adjust the instrument gain control to give a full screen height signal on the time base D . Adjust the instrument gain control to give a full screen height signal on the time base display.display.

For the inspection: Increase the instrument gain control by an additional 12 dB.For the inspection: Increase the instrument gain control by an additional 12 dB.

+ 12 dB

MENU EXIT


100%


NTMNTM

- The scanning will start pointing the search unit towards the radius direction, in order to catch the crack at the origin. Then follow the crack, scanning inwards.(No template is used during this first scan)

MENU EXIT

PROCEDURE



NTMNTM

- Start scanning with the search unit

MENU EXIT

PROCEDURE




NTMNTM

The end of the crack is when the signal drops at 15% FSH

MENU EXIT

PROCEDURE




NTMNTM

CRACK END DIRECTIONCRACK END AT 15% FSH

NOTE THE SEARCH UNIT POSITION ON THE FITTING FRAME

MENU EXIT

PROCEDURE



-Put the search unit template in place and repeat the scanning.

The search unit template enables the crack direction to be recorded when the signal drops at 15% (crack end). Note: It is recommended to cut the template to facilitate the scanning between holes A and B

NTMNTM

MENU EXIT

PROCEDURE




RECORD THE END OF THE CRACK AT POSITION” X” ON THE TIME BASE (~6.2 in this example)

CRACK END AT 6.2 ON TIME BASE

NTMNTM

MENU EXIT

PROCEDURE



EXITMENU

NTMNTM

- Keeping the template in place with the fingers, remove the search unit

PROCEDURE




EXITMENU

- Put the “LH Search unit position template” on top of the “Search unit template” using the 2 holes A and B to locate the position

The “search unit position template” will enable the search unit position to be recorded relative to holes A and B

NTMNTM

PROCEDURE




EXITMENU

- Mark on the “search unit position template” both axes Y and Z

PROCEDURE


NTMNTM

Y

Z



- Remove the “search unit position template”

MENU EXIT

PROCEDURE




Draw Y and Z axes on the “search unit position template”

MENU EXIT

PROCEDURE




-Place the “record sheet LH” on top of the “search unit position template” -Extend the Y axis on the “record sheet” to report distance “d”

MENU EXIT

PROCEDURE


NTMNTM

Y

Z



xxxx

dddd

X =6.2

DETERMINATION OF “d ” (distance from the search unit to the crack end)

MENU EXIT

PROCEDURE


NTMNTM

NTMNTM

x


On the reference standard,- Couple the search unit to be in line with the slot 2.- Adjust the search unit position to get the slot signal at the same “x” position on the CRT screen time base recorded ( 6.2 in our example )

6.2

NTMNTM

MENU EXIT

PROCEDURE


X



6.2CRACK END

ON TIME BASE

6.2

MENU EXIT


The search unit position on the reference standard,corresponds to the same location on the frame (I.e 6.2 )

PROCEDURE


Measure the distance “ d” from the search unit to the slot

MENU EXIT

PROCEDURE


NTMNTM



NTMNTM

The distance “ d” to be reported on the “ Record sheet” is 53 mm in this example

MENU EXIT

PROCEDURE


d


-Report this value on the record sheet

This is point 2

MENU EXIT

PROCEDURE




NTMNTM

Measure the crack depth “D” on the”record sheet”

MENU EXIT

PROCEDURE


D



MENU EXIT


FR 47 PRESENTATION



EXIT

Date post:	15-Jan-2016
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FR 47 UPPER RADIUS - NDT INSPECTION 1 EXITMENU A300 / A300-600 FR 47 upper radius A300 / A300-600 FR...

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