Removal of the Aft Movable Fairing

TASK 54-55-00-000-001-A
Removal of the Aft Movable Fairing

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.

CAUTION: THIS PART IS A REMOVABLE STRUCTURAL COMPONENT (RSC), WHICH CAN BE MOVED BETWEEN AIRCRAFT. THUS IT CAN HAVE DIFFERENT OPERATION CONDITIONS AND A DIFFERENT LIFE RECORD (FLIGHT HOURS/FLIGHT CYCLES/CALENDAR) FROM THE AIRCRAFT IT IS INSTALLED ON OR REMOVED FROM. THE OPERATOR IS RESPONSIBLE FOR THE SPECIFIC TRACKING AND CONTINUED AIRWORTHINESS OF REMOVABLE STRUCTURAL COMPONENTS. INCORRECT MAINTENANCE OF THESE COMPONENTS CAN CAUSE A RISK FOR THE FLIGHT SAFETY.

ZONE: 470
ZONE: 480
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
470	ENGINE 1 AFT PYLON
480	ENGINE 2 AFT PYLON
477AL, 487AR
475CL, 476CR, 485CL, 486CR
475BL, 475BR, 485BL, 485BR

C. Referenced Information

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
Aft Movable Fairing ** ON A/C NOT FOR ALL
Aft Movable Fairing ** ON A/C NOT FOR ALL
Aft Movable Fairing ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 54-55-00-941-050-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 engine 1(2).
(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 54-55-00-040-050-A ** ON A/C NOT FOR ALL

B. Aircraft Maintenance Configuration

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).
(2) Set the slat/flap control lever to position 2 (Ref. AMM TASK 27-50-00-866-008).

Subtask 54-55-00-040-050-B ** ON A/C NOT FOR ALL

B. Aircraft Maintenance Configuration

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).
(2) Set the slat/flap control lever to position 2 (Ref. AMM TASK 27-50-00-866-008).

Subtask 54-55-00-010-050-A ** ON A/C NOT FOR ALL

C. Get Access
(1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position:
(a) For the left pylon, at zone 470
(b) For the right pylon, at zone 480.
(2) Remove the pylon-to-wing access panels (Ref. AMM TASK 54-53-11-000-002):
(a) For the left pylon: 477AL, 475CL and 476CR
(b) For the right pylon: 487AR, 486CR and 485CL.

Subtask 54-55-00-010-050-B ** ON A/C NOT FOR ALL

C. Get Access
(1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position:
(a) For the left pylon, at zone 470
(b) For the right pylon, at zone 480.
(2) Remove the pylon-to-wing access panels (Ref. AMM TASK 54-53-11-000-002):
(a) For the left pylon: 477AL, 475BL and 475BR
(b) For the right pylon: 487AR, 485BR and 485BL.

4. Procedure
Subtask 54-55-00-020-050-B ** ON A/C NOT FOR ALL

A. Removal of the Aft Movable Fairing

Aft Movable Fairing ** ON A/C NOT FOR ALL

CAUTION: WHEN YOU REMOVE THE SCREWS, MAKE SURE THAT YOU RECORD THE CORRECT POSITION OF EACH OF THEM. THE SCREWS HAVE DIFFERENT LENGTHS.

(1) Remove the bolt (21) and the washer (23).
(2) Disconnect the bonding lead (19) from the link assembly (24).
(3) Remove the cotter pin (18) and discard it.
(4) Remove the nut (17) and the pin (12).
(5) Hold the link assembly (24) and remove the nut (16).
(6) Remove the pin (13).
(7) Disconnect the link assembly (24) from the fork fitting assembly (14).
(8) Remove the bushing (15) from the fork fitting assembly (14).
(9) Remove the nut (8), the bolt (5) and the washer (6).
(10) Disconnect the bonding lead (7) from the forward fitting assembly (3).
(11) Remove the cotter pins (9) and discard them.
(12) Remove the nuts (10) and the pins (1).
(13) Hold the forward fitting assembly (3) and remove the nuts (11).
(14) Remove the pins (2).
(15) Remove the bushings (4) from the forward fitting assembly (3).
(16) Remove the forward fitting assembly (3) of the aft movable fairing from the pylon.
(17) Remove the bolt (20) and the washer (22).
(18) Disconnect the bonding lead (30) from the link assembly (24).
(19) Remove the cotter pin (29) and discard it.
(20) Remove the nut (28) and the pin (32).
(21) Remove the nut (27) and the pin (31).
(22) Remove the link assembly (24) from the fork fitting assembly (25).
(23) Remove the bushing (26) from the fork fitting assembly (25).

Subtask 54-55-00-020-050-C ** ON A/C NOT FOR ALL

A. Removal of the Aft Movable Fairing

Aft Movable Fairing ** ON A/C NOT FOR ALL

CAUTION: WHEN YOU REMOVE THE SCREWS, MAKE SURE THAT YOU RECORD THE CORRECT POSITION OF EACH OF THEM. THE SCREWS HAVE DIFFERENT LENGTHS.

(1) Remove the bolt (19) and the washer (29).
(2) Disconnect the bonding lead (18) from the link assembly (21).
(3) Remove the cotter pin (17) and discard it.
(4) Remove the nut (16) and the pin (11).
(5) Hold the link assembly (21) and remove the nut (15).
(6) Remove the pin (12).
(7) Disconnect the rod assembly (21) from the fork fitting assembly (13).
(8) Remove the bushing (14) from the fork fitting assembly (13).
(9) Remove the nut (9) and the bolt (10).
(10) Disconnect the bonding lead (8) from the forward fitting assembly (3).
(11) Remove the cotter pins (7) and discard them.
(12) Remove the nuts (6) and the pins (1).
(13) Hold the forward fitting assembly (3) and remove the nuts (5).
(14) Remove the pins (2).
(15) Remove the bushings (4) from the forward fitting assembly (3).
(16) Remove the forward fitting assembly (3) of the aft movable fairing from the pylon.
(17) Remove the bolt (20) and the washer (22).
(18) Disconnect the bonding lead (28) from the link assembly (21).
(19) Remove the cotter pin (27) and discard it.
(20) Remove the nut (26) and the pin (31).
(21) Remove the nut (25) and the pin (30).
(22) Remove the link assembly (21) from the fork fitting assembly (23).
(23) Remove the bushing (24) from the fork fitting assembly (23).

[Rev.10 from 2021] 2026.04.01 07:03:16 UTC