Installation of the Aft Movable Fairing

TASK 54-55-00-400-001-A
Installation 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.

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

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 3M (10 FT)- ADJUSTABLE
No specific	AR	WARNING NOTICE(S)
No specific	Torque wrench: range to between 1.2 and 0.8 m.daN (106.19 and 70.80 lbf.in )
No specific	Torque wrench: range to between 1.8 and 1.5 m.daN (13.27 and 11.06 lbf.ft )

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

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
17	COTTER PIN	AIPC 54-55-11-10-010
18	COTTER PIN	AIPC 54-55-11-10-010
29	COTTER PIN	AIPC 54-55-11-10-010
7	COTTER PINS	AIPC 54-55-11-10-010
9	COTTER PINS	AIPC 54-55-11-10-010
17	COTTER PIN	AIPC 54-55-11-11-010
18	COTTER PIN	AIPC 54-55-11-11-010
29	COTTER PIN	AIPC 54-55-11-11-010
7	COTTER PINS	AIPC 54-55-11-11-010
9	COTTER PINS	AIPC 54-55-11-11-010

E. Referenced Information

REFERENCE	DESIGNATION
TASK 20-28-00-912-802-A	Electrical Bonding - General Maintenance Procedure
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 27-50-00-866-009-A	Retraction of the Flaps on the Ground
TASK 27-50-00-866-009-A-01	Retraction of the Flaps/Slats on the Ground
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 54-55-00-200-001-A	Inspection of the Aft Movable Fairing
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
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 54-55-00-860-050-A ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) On the center pedestal, on ENG panel 115VU:
(a) Make sure that the WARNING NOTICE(S) is(are) in position in the cockpit to tell persons not to start engine 1(2).
(2) 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) Make sure that the WARNING NOTICE(S) is(are) in position to tell persons not to energize FADEC 1(2).
(3) Make sure that the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE is in position:
(a) For the left pylon, at zone 470
(b) For the right pylon, at zone 480.
(4) Set the slat/flap control lever to position 2 (Ref. AMM TASK 27-50-00-866-008).

Subtask 54-55-00-040-055-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 sure that the thrust reverser is unserviceable for maintenance (Ref. AMM TASK 78-30-00-481-041).

Subtask 54-55-00-040-055-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 sure that the thrust reverser is unserviceable for maintenance (Ref. AMM TASK 78-30-00-040-012).

Subtask 54-55-00-110-050-A ** ON A/C NOT FOR ALL

C. Preparation for Installation
(1) Make sure that the parts retained from the removed component are clean and in the correct condition.
(2) Clean the parts retained from the removed component with Non Aqueous Cleaner-General - - (Material No.08BAA9) and the Textile-Lint free Cotton - (Material No.14SBA1) , if necessary.
(3) Do a dimensional check of the aft movable fairing (Ref. AMM TASK 54-55-00-200-001).

4. Procedure
Subtask 54-55-00-420-050-B ** ON A/C NOT FOR ALL

WARNING: USE PROTECTIVE GOGGLES WHEN YOU REMOVE OR INSTALL A COTTER PIN. EACH TIME YOU REMOVE A COTTER PIN DURING THE TASK, DISCARD IT IMMEDIATELY. A LOOSE COTTER PIN CAN CUT YOU OR MAKE YOU BLIND.

A. Installation of the Aft Movable Fairing

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

CAUTION: MAKE SURE THAT YOU INSTALL EACH OF THE SCREWS IN ITS CORRECT POSITION. THE SCREWS HAVE DIFFERENT LENGTHS. IF YOU DO NOT INSTALL EACH OF THE SCREWS IN ITS CORRECT POSITION, YOU CAN CAUSE DAMAGE.

(1) Install the bushing (26) on the fork fitting assembly (25).
(2) Put and hold the link assembly (24) on the fork fitting assembly (25).
(3) Install the pin (31) and the nut (27).
(4) TORQUE the nut (27) to between 1.2 and 0.8 m.daN (106.19 and 70.80 lbf.in )

.
(5) Install the pin (32) and the nut (28).
(6) TORQUE the nut (28) to between 1.8 and 1.5 m.daN (13.27 and 11.06 lbf.ft )

.
(7) Safety the nut (28) with the new AIPC 54-55-11-10-010 COTTER PIN (29) or the new AIPC 54-55-11-11-010 COTTER PIN (29).
(8) Do the electrical bonding of the link assembly (24) to the applicable location (Ref. AMM TASK 20-28-00-912-802).
(9) Put and hold the bonding lead (30) on the link assembly (24).
(10) Install the washer (22) and the bolt (20).
(11) Tighten the bolt (20).
(12) Put and hold the forward fitting assembly (3) of the aft movable fairing on the pylon.
(13) Install the bushings (4) on the forward fitting assembly (3).
(14) Install the pins (2) and the nuts (11) and tighten them.
(15) Install the pins (1) and the nuts (10) and tighten them.
(16) Safety the nuts (10) with the new AIPC 54-55-11-10-010 COTTER PINS (9) or the new AIPC 54-55-11-11-010 COTTER PINS (9).
(17) Do the electrical bonding of the forward fitting assembly (3) to the applicable location (Ref. AMM TASK 20-28-00-912-802).
(18) Put and hold the bonding lead (7) on the forward fitting assembly (3).
(19) Install the washer (6), the bolt (5) and the nut (8).
(20) Tighten the nut (8).
(21) Install the bushing (15) on the fork fitting assembly (14).
(22) Put and hold the link assembly (24) on the fork fitting assembly (14).
(23) Install the pin (13) and the nut (16) and tighten them.
(24) Install the pin (12) and the nut (17) and tighten them.
(25) Safety the nut (17) with the new AIPC 54-55-11-10-010 COTTER PIN (18) or the new AIPC 54-55-11-11-010 COTTER PIN (18).
(26) Do the electrical bonding of the link assembly (24) to the applicable location (Ref. AMM TASK 20-28-00-912-802).
(27) Put and hold the bonding lead (19) on the link assembly (24).
(28) Install the washer (23) and the bolt (21).
(29) Tighten the bolt (21).

Subtask 54-55-00-820-050-C ** ON A/C NOT FOR ALL

B. Check and Adjustment of the Aft Movable Fairing

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

(1) Set the slat/flap control lever to position 0 (Ref. AMM TASK 27-50-00-866-009).
(2) Measure clearance J1 at zone B.
(3) Make sure that clearance J1 between the aft fixed fairing and the aft movable fairing of the pylon is 10 -2 mm or +2 mm (0.3937 -0.0787 in. or +0.0787 in.).
(4) Make sure that clearance J1 is the same all along the zone between the aft movable fairing and the aft fixed fairing.
(5) Measure clearance J2 at zone A.
(6) Make sure that clearance J2 between the inner flap and the aft movable fairing of the pylon is 14 -3 mm or +4 mm (0.5512 -0.1181 in. or +0.1575 in.).
(7) Make sure that clearance J2 is the same all along the joint on the two sides between the aft movable fairing and the wing.
(8) Measure clearances J1 and J2 on the inboard and outboard sides of the aft movable fairing.
(9) If necessary, adjust the aft movable fairing with the fork fitting assembly (25) at the bottom of the link.

Subtask 54-55-00-420-050-C ** ON A/C NOT FOR ALL

WARNING: USE PROTECTIVE GOGGLES WHEN YOU REMOVE OR INSTALL A COTTER PIN. EACH TIME YOU REMOVE A COTTER PIN DURING THE TASK, DISCARD IT IMMEDIATELY. A LOOSE COTTER PIN CAN CUT YOU OR MAKE YOU BLIND.

C. Installation of the Aft Movable Fairing

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

(1) Install the bushing (24) on the fork fitting assembly (23).
(2) Put and hold the link assembly (21) on the fork fitting assembly (23).
(3) Install the pin (30) and the nut (25).
(4) TORQUE the nut (25) to between 1.2 and 0.8 m.daN (106.19 and 70.80 lbf.in )

.
(5) Install the pin (31) and the nut (26).
(6) TORQUE the nut (26) to between 1.8 and 1.5 m.daN (13.27 and 11.06 lbf.ft )

.
(7) Safety the nut (26) with a new cotter pin (27).
(8) Do the electrical bonding of the link assembly (21) to the applicable location (Ref. AMM TASK 20-28-00-912-802).
(9) Put and hold the bonding lead (28) on the link assembly (21).
(10) Install the washer (22) and the bolt (20)
(11) Tighten the bolt (20).
(12) Put and hold the forward fitting assembly (3) of the aft movable fairing on the pylon.
(13) Install the bushings (4) on the forward fitting assembly (3).
(14) Install the pins (2) and the nuts (5).
(15) TORQUE the nuts (5) to between 1.8 and 1.5 m.daN (13.27 and 11.06 lbf.ft )

.
(16) Install the pins (1) and the nuts (6) and tighten them.
(17) Safety the nuts (6) with the new AIPC 54-55-11-10-010 COTTER PINS (7) or the new AIPC 54-55-11-11-010 COTTER PINS (7).
(18) Do the electrical bonding of the forward fitting assembly (3) to the applicable location (Ref. AMM TASK 20-28-00-912-802).
(19) Put and hold the bonding lead (8) on the forward fitting assembly (3).
(20) Install the bolt (10) and the nut (9).
(21) Tighten the nut (9).
(22) Install the bushing (14) on the fork fitting assembly (13).
(23) Put and hold the link assembly (21) on the fork fitting assembly (13).
(24) Install the pin (12) and the nut (15).
(25) TORQUE the nut (15) to between 1.8 and 1.5 m.daN (13.27 and 11.06 lbf.ft )

.
(26) Install the pin (11) and the nut (16) and tighten them.
(27) Safety the nut (16) with the new AIPC 54-55-11-10-010 COTTER PIN (17) or the new AIPC 54-55-11-11-010 COTTER PIN (17).
(28) Do the electrical bonding of the link assembly (21) to the applicable location (Ref. AMM TASK 20-28-00-912-802).
(29) Put and hold the bonding lead (18) on the link assembly (21).
(30) Install the washer (29) and the bolt (19).
(31) Tighten the bolt (19).

Subtask 54-55-00-820-050-A ** ON A/C NOT FOR ALL

D. Check and Adjustment of the Aft Movable Fairing

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

(1) Set the slat/flap control lever to position 0 (Ref. AMM TASK 27-50-00-866-009).
(2) Measure clearance J1 at zone B.
(3) Make sure that clearance J1 between the aft fixed fairing and the aft movable fairing of the pylon is 4 -2 mm or +2 mm (0.1575 -0.0787 in. or +0.0787 in.).
(4) Make sure that clearance J1 is the same all along the zone between the aft movable fairing and the aft fixed fairing.
(5) Measure clearance J2 at zone A.
(6) Make sure that clearance J2 between the inner flap and the aft movable fairing of the pylon is 8 -3 mm or +3 mm (0.3150 -0.1181 in. or +0.1181 in.).
(7) Make sure that clearance J2 is the same all along the joint on the two sides between the aft movable fairing and the wing.
(8) Measure clearances J1 and J2 on the inboard and outboard sides of the aft movable fairing.
(9) If necessary, adjust the aft movable fairing with the fork fitting assembly (23) at the bottom of the link.

5. Close-up
Subtask 54-55-00-440-050-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Make the thrust reverser serviceable after maintenance (Ref. AMM TASK 78-30-00-081-041).
(2) Set the slat/flap control lever to position 1 (Ref. AMM TASK 27-50-00-866-008).

Subtask 54-55-00-440-050-B ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Make the thrust reverser serviceable after maintenance (Ref. AMM TASK 78-30-00-440-012).
(2) Set the slat/flap control lever to position 1 (Ref. AMM TASK 27-50-00-866-008).

Subtask 54-55-00-410-050-A ** ON A/C NOT FOR ALL

B. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the pylon-to-wing access panels (Ref. AMM TASK 54-53-11-400-002):
(a) For the left pylon: 477AL, 475CL and 485CL
(b) For the right pylon: 487AR, 486CR and 476CR.
(3) Remove the access platform(s).
(4) Remove the WARNING NOTICE(S).

Subtask 54-55-00-410-050-B ** ON A/C NOT FOR ALL

B. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the pylon-to-wing access panels (Ref. AMM TASK 54-53-11-400-002):
(a) For the left pylon: 477AL, 475BL and 485BL
(b) For the right pylon: 487AR, 485BR and 475BR.
(3) Remove the access platform(s).
(4) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.01 02:03:09 UTC