Detailed Inspection of Pylon to Wing Aft Attachment Fitting, Sleeves and Bolts

TASK 54-51-00-200-014-A
Detailed Inspection of Pylon to Wing Aft Attachment Fitting, Sleeves and Bolts

WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE AFTER SHUTDOWN. THE ENGINE CAN STAY HOT FOR A LONG TIME. IF YOU DO NOT OBEY THIS INSTRUCTION, INJURY CAN OCCUR.

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.

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

CAUTION: DO NOT APPLY TEMPORARY PROTECTION SYSTEM (TPS) ON THE INSPECTION AREA. IF YOU APPLY TPS ON THE INSPECTION AREA, YOU CAN CAUSE DAMAGE TO THE AIRCRAFT.

ZONE: 415
ZONE: 425
ZONE: 470
ZONE: 480

1. Reason for the Job
Refer to the MPD TASK: 545124-01
DETAILED INSPECTION OF PYLON TO WING AFT ATTACHMENT FITTING, SLEEVES AND BOLTS

NOTE: The effectivity of this task is "ALL". To know if this task is applicable to your aircraft, refer to the MPD task applicability and the weight variant data given in the SRM introduction.

2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
No specific	AR	WARNING NOTICE(S)

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.08BAA9)	Non Aqueous Cleaner-General - -
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
415	LOWER PYLON
425	LOWER PYLON
470	ENGINE 1 AFT PYLON
480	ENGINE 2 AFT PYLON
475BL, 485BL
471CL, 472BR, 476BR, 481BL, 482CR, 486BR
471CR, 471DL, 475BR, 481CL, 481DR, 485BR
FOR [1000EM1] (ENGINE-1)
437AL, 438AR, 451AL, 452AR
FOR [1000EM2] (ENGINE-2)
447AL, 448AR, 461AL, 462AR

D. Referenced Information

REFERENCE	DESIGNATION
TASK 51-78-00-916-001-A	Application of Temporary Protection System (TPS)
TASK 54-51-17-000-002-A	Removal of the Pylon-to-Wing Aft Attach-Fitting at RIB10
TASK 54-51-17-400-002-A	Installation of the Pylon-to-Wing Aft Attach-Fitting at RIB10
TASK 54-53-11-000-002-A	Removal of the Pylon-to-Wing Access Panels
TASK 54-53-11-000-002-B	Removal of the Pylon-to-Wing Access Panels
TASK 54-53-11-400-002-A	Installation of the Pylon-to-Wing Access Panels
TASK 54-53-11-400-002-B	Installation of the Pylon-to-Wing Access Panels
TASK 71-00-00-000-040-A	Removal of the Power Plant
TASK 71-00-00-000-040-A-01	Removal of the Power Plant with the Engine Positioner TWW 75E
TASK 71-00-00-000-040-A-03	Removal of the Power Plant with Jacxson Tool
TASK 71-00-00-000-042-A	Removal of the Power Plant
TASK 71-00-00-000-042-A-01	Removal of the Power Plant with the Engine Positioner TWW 75E (MIAG)
TASK 71-00-00-000-042-A-03	Removal of the Power Plant with Jacxson Tool
TASK 71-00-00-400-040-A	Installation of the Power Plant
TASK 71-00-00-400-040-A-01	Installation of the Power Plant with the Engine Positioner TWW 75E
TASK 71-00-00-400-040-A-03	Installation of the Power Plant with Jacxson Tool
TASK 71-00-00-400-042-A	Installation of the Power Plant
TASK 71-00-00-400-042-A-01	Installation of the Power Plant with the Engine Positioner TWW 75E (MIAG)
TASK 71-00-00-400-042-A-03	Installation of the Power Plant with Jacxson Tool
TASK 71-00-20-000-040-A	Removal of the Power Plant
TASK 71-00-20-000-040-A-01	Removal of the Power Plant with the Engine Positioner TWW 75E (MIAG)
TASK 71-00-20-400-040-A	Installation of the Power Plant
TASK 71-00-20-400-040-A-01	Installation of the Power Plant with the Engine Positioner TWW 75E (MIAG)
TASK 71-13-11-000-010-A	Removal of the Left Fan Cowl 437AL(447AL).
TASK 71-13-11-000-040-A	Removal of the Fan Cowl Doors
TASK 71-13-11-000-041-A	Removal of the Fan Cowl Doors
TASK 71-13-11-400-010-A	Installation of the Left Fan Cowl
TASK 71-13-11-400-040-A	Installation of the Fan Cowl Doors
TASK 71-13-11-400-041-A	Installation of the Fan Cowl Doors
TASK 71-13-16-000-010-B	Removal of the Right Fan Cowl (438AR, 448AR)
TASK 71-13-16-400-010-B	Installation of the Right Fan Cowl (438AR, 448AR)
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
TASK 78-32-01-000-010-A	Removal of the Left Thrust Reverser Half - Eng No. 1
TASK 78-32-01-400-010-A	Installation of the Left Thrust Reverser Half - Eng No. 1
TASK 78-32-02-000-010-A	Removal of the Left Thrust Reverser Half - Eng No. 2
TASK 78-32-02-400-010-A	Installation of the Left Thrust Reverser Half - Eng No. 2
TASK 78-32-03-000-010-A	Removal of the Right Thrust Reverser Half - Eng No. 1
TASK 78-32-03-400-010-A	Installation of the Right Thrust Reverser Half - Eng No. 1
TASK 78-32-04-000-010-A	Removal of the Right Thrust Reverser Half - Eng. No. 2
TASK 78-32-04-400-010-A	Installation of the Right Reverser Half - Eng. No. 2
TASK 78-32-11-000-002-A	Removal of the Left or Right Half Door of Thrust Reverser
TASK 78-32-11-000-040-A	Removal of the Left or Right Half Door of Thrust Reverser
TASK 78-32-11-400-002-A	Installation of the Left or Right Half Door of Thrust Reverser
TASK 78-32-11-400-040-A	Installation of the Left or Right Half Door of Thrust Reverser
SRM 511100	(for corrective action)
SRM 512200	(for corrective action)
Pylon-to-Wing Aft Attachment Fitting, Sleeves and Bolts ** ON A/C NOT FOR ALL
Pylon-to-Wing Aft Attachment Fitting, Sleeves and Bolts ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 54-51-00-941-065-A ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(a) Put a WARNING NOTICE(S) in position to tell persons not to start engine 1(2).
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On 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(S) in position to tell persons not to energize FADEC 1(2).

Subtask 54-51-00-040-110-A ** ON A/C NOT FOR ALL

B. Deactivation of the Thrust Reverser

WARNING: MAKE SURE THAT THE THRUST REVERSER IS LOCKED. IF NOT, THE THRUST REVERSER CAN OPERATE ACCIDENTALLY AND CAUSE INJURY TO PERSONNEL AND/OR DAMAGE TO THE REVERSER.

(1) Make the thrust reverser unserviceable for maintenance (Ref. AMM TASK 78-30-00-481-041).

Subtask 54-51-00-010-062-A ** ON A/C NOT FOR ALL

C. Get Access
(1) Remove the fan cowl doors (Ref. AMM TASK 71-13-11-000-040) and (Ref. AMM TASK 71-13-11-000-041):
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR.
(2) Remove the thrust-reverser cowl doors (Ref. AMM TASK 78-32-11-000-040) and (Ref. AMM TASK 78-32-11-000-002):
(a) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(b) FOR [1000EM2] (ENGINE-2)
461AL 462AR.
(3) Remove the engine (Ref. AMM TASK 71-00-00-000-040) and (Ref. AMM TASK 71-00-00-000-042).

Subtask 54-51-00-040-110-B ** ON A/C NOT FOR ALL

D. Deactivation of the Thrust Reverser

WARNING: MAKE SURE THAT THE THRUST REVERSER IS LOCKED. IF NOT, THE THRUST REVERSER CAN OPERATE ACCIDENTALLY AND CAUSE INJURY TO PERSONNEL AND/OR DAMAGE TO THE REVERSER.

(1) Make the thrust reverser unserviceable for maintenance (Ref. AMM TASK 78-30-00-040-012).

Subtask 54-51-00-010-062-C ** ON A/C NOT FOR ALL

E. Get Access
(1) Remove the fan cowl doors (Ref. AMM TASK 71-13-11-000-010) (Ref. AMM TASK 71-13-16-000-010):
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR.
(2) Remove the thrust-reverser cowl doors (Ref. AMM TASK 78-32-01-000-010) (Ref. AMM TASK 78-32-03-000-010) (Ref. AMM TASK 78-32-02-000-010) (Ref. AMM TASK 78-32-04-000-010):
(a) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(b) FOR [1000EM2] (ENGINE-2)
461AL 462AR.
(3) Remove the engine (Ref. AMM TASK 71-00-20-000-040).

Subtask 54-51-00-020-086-A ** ON A/C NOT FOR ALL

F. Removal of the Access Panels
(1) Put an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position:
(a) For the left pylon, in zone 470
(b) For the right pylon, in zone 480.
(2) Remove the pylon-to-wing access panels (Ref. AMM TASK 54-53-11-000-002):
(a) For the left pylon: 471CL 475BL 472BR 476BR
(b) For the right pylon: 481BL 485BL 482CR 486BR.

Subtask 54-51-00-020-086-B ** ON A/C NOT FOR ALL

F. Removal of the Access Panels
(1) Put an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position:
(a) For the left pylon, in zone 470
(b) For the right pylon, in zone 480.
(2) Remove the pylon-to-wing access panels (Ref. AMM TASK 54-53-11-000-002):
(a) For the left pylon: 471DL 471CR 475BL 475BR
(b) For the right pylon: 481CL 481DR 485BL 485BR.

Subtask 54-51-00-020-055-A ** ON A/C NOT FOR ALL

G. Removal of the Components
(1) Remove the bolts, the sleeves and the shackles of the aft attach fittings (Ref. AMM TASK 54-51-17-000-002).

Subtask 54-51-00-110-066-A ** ON A/C NOT FOR ALL

H. Preparation of the Inspection Area
(1) Make sure that the inspection area is sufficiently clean to do a satisfactory inspection of the area.
(2) If it is not sufficiently clean, clean the inspection area with Non Aqueous Cleaner-General - - (Material No.08BAA9) and Textile-Lint free Cotton - (Material No.14SBA1) .
(3) Make sure that there is no Temporary Protection System (TPS) layer and if there is a TPS layer, remove it (Ref. AMM TASK 51-78-00-916-001).

4. Procedure
Subtask 54-51-00-220-064-A ** ON A/C NOT FOR ALL

A. Inspection

Pylon-to-Wing Aft Attachment Fitting, Sleeves and Bolts ** ON A/C NOT FOR ALL

(1) Do a detailed inspection of the sleeves and the bolts of the pylon-to-wing aft attachment fitting.
(2) Make sure that there is no:
(a) Corrosion damage:
If you find corrosion damage, refer to Structural Repair Manual SRM 512200 for types of corrosion, inspection, removal and corrosion protection.
(b) Other damage (scratches, cracks, gouges, dents, creases):
If you find this type of damage, refer to Structural Repair Manual SRM 511100 for damage classification and corrective action.

5. Close-up
Subtask 54-51-00-420-056-A ** ON A/C NOT FOR ALL

A. Installation of the Components
(1) Install the shackles, the sleeves and the bolts of the aft attach fitting (Ref. AMM TASK 54-51-17-400-002).

Subtask 54-51-00-420-085-A ** ON A/C NOT FOR ALL

B. Installation of the Access Panels
(1) Install the pylon-to-wing access panels (Ref. AMM TASK 54-53-11-400-002):
(a) For the left pylon: 471CL 475BL 472BR 476BR
(b) For the right pylon: 481BL 485BL 482CR 486BR.

Subtask 54-51-00-420-085-B ** ON A/C NOT FOR ALL

B. Installation of the Access Panels
(1) Install the pylon-to-wing access panels (Ref. AMM TASK 54-53-11-400-002):
(a) For the left pylon: 471DL 471CR 475BL 475BR
(b) For the right pylon: 481CL 481DR 485BL 485BR.

Subtask 54-51-00-410-065-A ** ON A/C NOT FOR ALL

C. Close Access
(1) Install the engine (Ref. AMM TASK 71-00-00-400-040) and (Ref. AMM TASK 71-00-00-400-042).
(2) Install the thrust-reverser cowl doors (Ref. AMM TASK 78-32-11-400-040) and (Ref. AMM TASK 78-32-11-400-002):
(a) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(b) FOR [1000EM2] (ENGINE-2)
461AL 462AR.
(3) Install the fan cowl doors (Ref. AMM TASK 71-13-11-400-040) and (Ref. AMM TASK 71-13-11-400-041):
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR.

Subtask 54-51-00-440-109-A ** ON A/C NOT FOR ALL

D. Reactivation of the Thrust Reverser
(1) Make the thrust reverser serviceable after maintenance (Ref. AMM TASK 78-30-00-081-041).

Subtask 54-51-00-410-065-B ** ON A/C NOT FOR ALL

E. Close Access
(1) Install the engine (Ref. AMM TASK 71-00-20-400-040).
(2) Install the thrust reverser cowl doors (Ref. AMM TASK 78-32-01-400-010) (Ref. AMM TASK 78-32-03-400-010) (Ref. AMM TASK 78-32-02-400-010) (Ref. AMM TASK 78-32-04-400-010):
(a) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(b) FOR [1000EM2] (ENGINE-2)
461AL 462AR.
(3) Install the fan cowl doors (Ref. AMM TASK 71-13-11-400-010) (Ref. AMM TASK 71-13-16-400-010):
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR.

Subtask 54-51-00-440-109-B ** ON A/C NOT FOR ALL

F. Reactivation of the Thrust Reverser
(1) Make the thrust reverser serviceable after maintenance (Ref. AMM TASK 78-30-00-440-012).

Subtask 54-51-00-942-085-A ** ON A/C NOT FOR ALL

G. Aircraft Maintenance Configuration
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the access platform(s).
(3) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.01 01:59:37 UTC