Removal of the Aft Movable-Fairing Seals
TASK 54-55-41-000-001-A
Removal of the Aft Movable-Fairing Seals
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 54-55-41-941-050-A ** ON A/C NOT FOR ALL
Subtask 54-55-41-020-050-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 02:03:11 UTC
Removal of the Aft Movable-Fairing Seals
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:
1. Reason for the Job- THE FLIGHT CONTROLS
- THE FLIGHT CONTROL SURFACES
- THE LANDING GEAR AND THE RELATED DOORS
- COMPONENTS THAT MOVE.
Self explanatory
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) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 470 | ENGINE 1 AFT PYLON |
| 480 | ENGINE 2 AFT PYLON |
| 477AL, 487AR |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 27-50-00-866-008-A | Extension of the Flaps on the Ground |
| TASK 27-50-00-866-008-A-01 | Extension of the Flaps/Slats on the Ground |
| 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 78-30-00-040-012-A | Deactivation of the Thrust Reverser Hydraulic Control Unit (HCU) for 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 |
Subtask 54-55-41-941-050-A ** ON A/C NOT FOR ALL
A. Safety Precautions
(1) On the center pedestal, on ENG panel 115VU:
(a) Put the WARNING NOTICE(S) in position to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than five 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 the WARNING NOTICE(S) in position to tell persons not to energize FADEC 1(2).
Subtask 54-55-41-860-051-A ** ON A/C NOT FOR ALL (1) On the center pedestal, on ENG panel 115VU:
(a) Put the WARNING NOTICE(S) in position to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than five 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 the WARNING NOTICE(S) in position to tell persons not to energize FADEC 1(2).
B. Aircraft Maintenance Configuration
(1) Make the thrust reverser unserviceable for maintenance (Ref. AMM TASK 78-30-00-481-041).
(2) Set the flap and slat control lever to the FULL position (Ref. AMM TASK 27-50-00-866-008).
Subtask 54-55-41-860-051-B ** ON A/C NOT FOR ALL (1) Make the thrust reverser unserviceable for maintenance (Ref. AMM TASK 78-30-00-481-041).
(2) Set the flap and slat control lever to the FULL position (Ref. AMM TASK 27-50-00-866-008).
B. Aircraft Maintenance Configuration
(1) Make the thrust reverser unserviceable for maintenance (Ref. AMM TASK 78-30-00-040-012).
(2) Set the flap and slat control lever to the FULL position (Ref. AMM TASK 27-50-00-866-008).
Subtask 54-55-41-010-050-A ** ON A/C NOT FOR ALL (1) Make the thrust reverser unserviceable for maintenance (Ref. AMM TASK 78-30-00-040-012).
(2) Set the flap and slat control lever to the FULL position (Ref. AMM TASK 27-50-00-866-008).
C. Get Access
(1) Put the 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 access panels (Ref. AMM TASK 54-53-11-000-002):
(a) For the left pylon: 477AL
(b) For the right pylon: 487AR.
4. Procedure(1) Put the 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 access panels (Ref. AMM TASK 54-53-11-000-002):
(a) For the left pylon: 477AL
(b) For the right pylon: 487AR.
Subtask 54-55-41-020-050-A ** ON A/C NOT FOR ALL
A. Removal of the Aft Movable-Fairing Seals
(1) Remove and discard the seals (2), (5) and (8) from the retainers.
Subtask 54-55-41-020-050-B ** ON A/C NOT FOR ALL (1) Remove and discard the seals (2), (5) and (8) from the retainers.
A. Removal of the Aft Movable-Fairing Seals
(1) Remove the screws (1) and (8) from the retainers (3), (6) and (10).
(2) Remove and discard the seals (2), (7) and (9) from the retainers (3), (6) and (10).
(3) Remove the retainers (3), (6) and (10).
(4) Remove and discard the rear seal (5) from the retainer (4).
Subtask 54-55-41-020-050-C ** ON A/C NOT FOR ALL (1) Remove the screws (1) and (8) from the retainers (3), (6) and (10).
(2) Remove and discard the seals (2), (7) and (9) from the retainers (3), (6) and (10).
(3) Remove the retainers (3), (6) and (10).
(4) Remove and discard the rear seal (5) from the retainer (4).
Aft Movable-Fairing Seals