Inspection of the Shackles at RIB4 and the Spigot

TASK 54-51-17-200-003-A
Inspection of the Shackles at RIB4 and the Spigot

WARNING: PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:

THE FLIGHT CONTROLS
THE FLIGHT CONTROL SURFACES
THE LANDING GEAR AND THE RELATED DOORS
COMPONENTS THAT MOVE.

MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAN CAUSE DAMAGE TO THE EQUIPMENT.

ZONE: 400
FIN: 1000EM1 ** ON A/C NOT FOR ALL
FIN: 1000EM2 ** ON A/C NOT FOR ALL

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
No specific	AR	WARNING NOTICE(S)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
400	POWER PLANT, NACELLES AND PYLONS

C. Referenced Information

REFERENCE	DESIGNATION
TASK 54-51-17-000-001-A	Removal of the Pylon-to-Wing Forward Attach-Fitting at RIB4
TASK 54-51-17-400-001-A	Installation of the Pylon-to-Wing Forward Attach-Fitting at RIB4
TASK 78-30-00-040-012-A	Deactivation of the Thrust Reverser Hydraulic Control Unit (HCU) for Ground Maintenance
TASK 78-30-00-081-041-A	Make the Thrust Reverser Serviceable after Maintenance
TASK 78-30-00-081-041-B	Make the Thrust Reverser Serviceable after Maintenance
TASK 78-30-00-440-012-A	Re-activation of the Thrust Reverser Hydraulic Control Unit (HCU) after Ground Maintenance
TASK 78-30-00-481-041-A	Make the Thrust Reverser Unserviceable for Maintenance
TASK 78-30-00-481-041-B	Make the Thrust Reverser Unserviceable for Maintenance
Permitted Corrosion on the Shackles ** ON A/C NOT FOR ALL
Permitted Corrosion on the Shackles ** ON A/C NOT FOR ALL
Forward Attach Fitting ** ON A/C NOT FOR ALL
Forward Attach Fitting ** ON A/C NOT FOR ALL
Spigot Attach Fitting ** ON A/C NOT FOR ALL
SpÃ igot Attach Fitting ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 54-51-17-941-052-A ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) On the center pedestal, on the ENG panel 115 VU:
(a) Put a WARNING NOTICE(S) to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a warning notice to tell persons not to energize the FADEC 1(2)

Subtask 54-51-17-040-051-A ** ON A/C NOT FOR ALL

B. Aircraft Maintenance Configuration
(1) Make the thrust reverser unserviceable (Ref. AMM TASK 78-30-00-481-041).

Subtask 54-51-17-040-051-B ** ON A/C NOT FOR ALL

B. Aircraft Maintenance Configuration
(1) Make the thrust reverser unserviceable (Ref. AMM TASK 78-30-00-040-012).

Subtask 54-51-17-020-061-A ** ON A/C NOT FOR ALL

C. Removal of the Forward Attach-Fittings
(1) Remove the forward attach-fittings (Ref. AMM TASK 54-51-17-000-001).

Subtask 54-51-17-941-053-A ** ON A/C NOT FOR ALL

D. Get Access
(1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position:
(a) in the zone 410 for the left pylon,
(b) in the zone 420 for the right pylon.

4. Procedure
Subtask 54-51-17-220-068-A ** ON A/C NOT FOR ALL

A. Inspection of the Shackles
(1) Do an inspection of the shackles for corrosion and make sure that the corrosion damage is in the permitted limits.

Permitted Corrosion on the Shackles ** ON A/C NOT FOR ALL

(a) If the damaged area is:

on one side only and is less than 400 mm2 (0.62 in.2): the maximum depth of the defect must be 1.5 mm (0.0591 in.).

(b) If the damaged areas are:

on the two sides and are less than 400 mm2 (0.62 in.2): the sum of the maximum depth of the defects on the two sides must be 1.5 mm (0.0591 in.).

on one side only and is more than 400 mm2 (0.62 in.2): the maximum depth of the defect must be 1 mm (0.0394 in.).

(d) If the damaged areas are:

on the two sides and are more than 400 mm2 (0.62 in.2): the sum of the maximum depth of the defects on the two sides must be 1 mm (0.0394 in.).

(e) If the damaged area:

is around the bore on one side only and:
maximum dimension of the defect measured radially is less than 25 mm (0.9843 in.).
The maximum depth of the defect must be 0.6 mm (0.0236 in.).

(f) If the damaged areas:

are around the bore on the two sides and:
Maximum dimension of the defect measured radially is less than 25 mm (0.9843 in.): the sum of the maximum depth of the defects on the two sides must be 0.6 mm (0.0236 in.).

Subtask 54-51-17-220-050-A ** ON A/C NOT FOR ALL

B. Inspection of the Pylon-to-Wing Forward Attach-Fitting
(1) Do a detailed inspection of the pylon-to-wing forward attach-fitting and make sure that the dimensions are correct.

Forward Attach Fitting ** ON A/C NOT FOR ALL

FIG. DETAIL AND ITEM N°	ORIGINAL MANUFACTURING LIMITS	IN-SERVICE WEAR LIMITS
A	1.5738	1.5742			1.5731
OD 1	(39.9745)	(39.9846)			(39.9567)
			0.0006	0.0019			0.0040
			(0.0152)	(0.0483)			(0.1016)
A	1.5748	1.5757				1.5771
ID 2	(39.9999)	(40.0227)				(40.0583)

Subtask 54-51-17-220-051-A ** ON A/C NOT FOR ALL

C. Inspection of the Pylon-to-Wing Forward Attach-Fitting
(1) Do a detailed inspection of the pylon-to-wing forward attach-fitting and make sure that the dimensions are correct.

Forward Attach Fitting ** ON A/C NOT FOR ALL

FIG. DETAIL AND ITEM N°	ORIGINAL MANUFACTURING LIMITS	IN-SERVICE WEAR LIMITS
A	1.5738	1.5742			1.5731
OD 1	(39.9745)	(39.9846)			(39.9567)
			0.0006	0.0019			0.0040
			(0.0152)	(0.0483)			(0.1016)
A	1.5748	1.5757				1.5771
ID 4	(39.9999)	(40.0227)				(40.0583)

Subtask 54-51-17-220-052-A ** ON A/C NOT FOR ALL

D. Inspection of the Pylon-to-Wing Forward Attach-Fitting
(1) Do a detailed inspection of the pylon-to-wing forward attach-fitting and make sure that the dimensions are correct.

Forward Attach Fitting ** ON A/C NOT FOR ALL

FIG. DETAIL AND ITEM N°	ORIGINAL MANUFACTURING LIMITS	IN-SERVICE WEAR LIMITS
A	1.5738	1.5742			1.5731
OD 1	(39.9745)	(39.9846)			(39.9567)
			0.0006	0.0019			0.0040
			(0.0152)	(0.0483)			(0.1016)
A	1.5748	1.5757				1.5771
ID 3	(39.9999)	(40.0227)				(40.0583)

Subtask 54-51-17-220-053-A ** ON A/C NOT FOR ALL

E. Inspection of the Pylon-to-Wing Forward Attach-Fitting
(1) Do a detailed inspection of the pylon-to-wing forward attach-fitting and make sure that the dimensions are correct.

Forward Attach Fitting ** ON A/C NOT FOR ALL

FIG. DETAIL AND ITEM N°	ORIGINAL MANUFACTURING LIMITS	IN-SERVICE WEAR LIMITS
A	1.7340	1.7346			1.7337
OD 2	(44.0435)	(44.0588)			(44.0359)
			-0.0023	-0.0007			0.0000
			(-0.0584)	(-0.0178)			(0.0000)
A	1.7323	1.7333				1.7337
ID 7	(44.0003)	(44.0257)				(44.0359)

Subtask 54-51-17-220-054-A ** ON A/C NOT FOR ALL

F. Inspection of the Pylon-to-Wing Forward Attach-Fitting
(1) Do a detailed inspection of the pylon-to-wing forward attach-fitting and make sure that the dimensions are correct.

Forward Attach Fitting ** ON A/C NOT FOR ALL

FIG. DETAIL AND ITEM N°	ORIGINAL MANUFACTURING LIMITS	IN-SERVICE WEAR LIMITS
A	1.7340	1.7346			1.7337
OD 4	(44.0435)	(44.0588)			(44.0359)
			-0.0023	-0.0007			0.0000
			(-0.0584)	(-0.0178)			(0.0000)
A	1.7323	1.7333				1.7337
ID 5	(44.0003)	(44.0257)				(44.0359)

Subtask 54-51-17-220-055-A ** ON A/C NOT FOR ALL

G. Inspection of the Pylon-to-Wing Forward Attach-Fitting
(1) Do a detailed inspection of the pylon-to-wing forward attach-fitting and make sure that the dimensions are correct.

Forward Attach Fitting ** ON A/C NOT FOR ALL

FIG. DETAIL AND ITEM N°	ORIGINAL MANUFACTURING LIMITS	IN-SERVICE WEAR LIMITS
A	1.7340	1.7346			1.7337
OD 4	(44.0435)	(44.0588)			(44.0359)
			-0.0023	-0.0007			0.0000
			(-0.0584)	(-0.0178)			(0.0000)
A	1.7323	1.7333				1.7337
ID 6	(44.0003)	(44.0257)				(44.0359)

Subtask 54-51-17-220-056-A ** ON A/C NOT FOR ALL

H. Inspection of the Pylon-to-Wing Forward Attach-Fitting
(1) Do a detailed inspection of the pylon-to-wing forward attach-fitting and make sure that the dimensions are correct.

Forward Attach Fitting ** ON A/C NOT FOR ALL

FIG. DETAIL AND ITEM N°	ORIGINAL MANUFACTURING LIMITS	IN-SERVICE WEAR LIMITS
A	1.7340	1.7346			1.7337
OD 3	(44.0435)	(44.0588)			(44.0359)
			-0.0023	-0.0007			0.0000
			(-0.0584)	(-0.0178)			(0.0000)
A	1.7323	1.7333				1.7337
ID 5	(44.0003)	(44.0257)				(44.0359)

Subtask 54-51-17-220-057-A ** ON A/C NOT FOR ALL

I. Inspection of the Pylon-to-Wing Forward Attach-Fitting
(1) Do a detailed inspection of the pylon-to-wing forward attach-fitting and make sure that the dimensions are correct.

Forward Attach Fitting ** ON A/C NOT FOR ALL

FIG. DETAIL AND ITEM N°	ORIGINAL MANUFACTURING LIMITS	IN-SERVICE WEAR LIMITS
A	1.7340	1.7346			1.7337
OD 3	(44.0435)	(44.0588)			(44.0359)
			-0.0023	-0.0007			0.0000
			(-0.0584)	(-0.0178)			(0.0000)
A	1.7323	1.7333				1.7337
ID 6	(44.0003)	(44.0257)				(44.0359)

Subtask 54-51-17-220-058-A ** ON A/C NOT FOR ALL

J. Inspection of the Pylon-to-Wing Forward Attach-Fitting
(1) Do a detailed inspection of the pylon-to-wing forward attach-fitting and make sure that the dimensions are correct.

Forward Attach Fitting ** ON A/C NOT FOR ALL

FIG. DETAIL AND ITEM N°	ORIGINAL MANUFACTURING LIMITS	IN-SERVICE WEAR LIMITS
A	1.5738	1.5742			1.5731
OD 1	(39.9745)	(39.9846)			(39.9567)
			0.0006	0.0020			0.0040
			(0.0152)	(0.0508)			(0.1016)
A	1.5748	1.5758				1.5771
ID 8	(39.9999)	(40.0253)				(40.0583)

Subtask 54-51-17-220-059-A ** ON A/C NOT FOR ALL

K. Inspection of the Pylon-to-Wing Forward Attach-Fitting
(1) Do a detailed inspection of the pylon-to-wing forward attach-fitting and make sure that the dimensions are correct.

Forward Attach Fitting ** ON A/C NOT FOR ALL

FIG. DETAIL AND ITEM N°	ORIGINAL MANUFACTURING LIMITS	IN-SERVICE WEAR LIMITS
A	1.5738	1.5742			1.5731
OD 1	(39.9745)	(39.9846)			(39.9567)
			0.0006	0.0020			0.0040
			(0.0152)	(0.0508)			(0.1016)
A	1.5748	1.5758				1.5771
ID 9	(39.9999)	(40.0253)				(40.0583)

Subtask 54-51-17-220-060-A ** ON A/C NOT FOR ALL

L. Inspection of the Pylon-to-Wing Spigot Attach-Fitting
(1) Do a detailed inspection of the pylon-to-wing spigot attach-fitting and make sure that the dimensions are correct.

Spigot Attach Fitting ** ON A/C NOT FOR ALL

SpÃ igot Attach Fitting ** ON A/C NOT FOR ALL

FIG. DETAIL AND ITEM N°	ORIGINAL MANUFACTURING LIMITS	IN-SERVICE WEAR LIMITS
A	2.8335	2.8343			2.8327
OD 13	(71.9708)	(71.9911)			(71.9505)
			0.0003	0.0023			0.0047
			(0.0076)	(0.0584)			(0.1194)
A	2.8346	2.8358				2.8374
ID 12	(71.9987)	(72.0292)				(72.0698)

Subtask 54-51-17-220-061-A ** ON A/C NOT FOR ALL

M. Inspection of the Pylon-to-Wing Spigot Attach-Fitting
(1) Do a detailed inspection of the pylon-to-wing spigot attach-fitting and make sure that the dimensions are correct.

Spigot Attach Fitting ** ON A/C NOT FOR ALL

SpÃ igot Attach Fitting ** ON A/C NOT FOR ALL

FIG. DETAIL AND ITEM N°	ORIGINAL MANUFACTURING LIMITS	IN-SERVICE WEAR LIMITS
A	4.3293	4.3307			4.3284
OD 12	(109.9640)	(109.9996)			(109.9412)
			0.0005	0.0027			0.0055
			(0.0127)	(0.0686)			(0.1397)
A	4.3312	4.3320				4.3339
ID 10	(110.0123)	(110.0326)				(110.0809)

Subtask 54-51-17-220-062-A ** ON A/C NOT FOR ALL

N. Inspection of the Pylon-to-Wing Spigot Attach-Fitting

CAUTION: IF YOU FIND CORROSION ON TWO ADJACENT SHACKLES:

REMOVE THE CORROSION FROM THE SHACKLE WITH LEAST CORROSION ; MAKE SURE THAT DAMAGE IS IN PERMITTED LIMITS.
REPLACE THE ADJACENT SHACKLE.

CAUTION: IF YOU FIND CORROSION ON TWO ADJACENT SHACKLES:

REMOVE THE CORROSION FROM THE SHACKLE WITH LEAST CORROSION ; MAKE SURE THAT DAMAGE IS IN PERMITTED LIMITS.
REPLACE THE ADJACENT SHACKLE.

(1) Do a detailed inspection of the pylon-to-wing spigot attach-fitting and make sure that the dimensions are correct.

Spigot Attach Fitting ** ON A/C NOT FOR ALL

SpÃ igot Attach Fitting ** ON A/C NOT FOR ALL

FIG. DETAIL AND ITEM N°	ORIGINAL MANUFACTURING LIMITS	IN-SERVICE WEAR LIMITS
A	4.3293	4.3307			4.3284
OD 12	(109.9640)	(109.9996)			(109.9412)
			0.0005	0.0027			0.0055
			(0.0127)	(0.0686)			(0.1397)
A	4.3312	4.3320				4.3339
ID 11	(110.0123)	(110.0326)				(110.0809)

5. Close-up
Subtask 54-51-17-420-061-A ** ON A/C NOT FOR ALL

A. Installation of the Pylon-to-Wing Forward Attach-Fitting
(1) Install the pylon-to-wing forward attach-fitting (Ref. AMM TASK 54-51-17-400-001).

Subtask 54-51-17-440-051-A ** ON A/C NOT FOR ALL

B. Aircraft Maintenance Configuration
(1) Make the thrust reverser serviceable (Ref. AMM TASK 78-30-00-081-041).

Subtask 54-51-17-440-051-B ** ON A/C NOT FOR ALL

B. Aircraft Maintenance Configuration
(1) Make the thrust reverser serviceable (Ref. AMM TASK 78-30-00-440-012).

[Rev.10 from 2021] 2026.04.01 03:59:08 UTC