Installation of the Aft Fixed Fairing

TASK 54-54-00-400-001-A-01
Installation of the Aft Fixed 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: THE WEIGHT OF THE FIXED FAIRING IS 34kg (75lb).

WARNING: HEAVY WEIGHT. MINIMUM 2 PERSONS OR ASSISTED HANDLING REQUIRED.

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

1. Reason for the Job
This is an alternative procedure without installation of the hydraulic lines.
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 0.45 and 0.35 m.daN (39.82 and 30.97 lbf.in )
No specific	Torque wrench: range to between 1.65 and 1.35 m.daN (146.02 and 119.47 lbf.in )
No specific	Torque wrench: range to between 3 and 2.6 m.daN (22.12 and 19.17 lbf.ft )
No specific	Torque wrench: range to between 4.1 and 3.6 m.daN (30.24 and 26.55 lbf.ft )

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
470	ENGINE 1 AFT PYLON
480	ENGINE 2 AFT PYLON
475AL, 475BL, 485AL, 485BL
471CL, 472BR, 475CL, 476AR, 476BR, 476CR, 481BL, 482CR, 485CL, 486AR, 486BR, 486CR
471CR, 471DL, 475AR, 475BR, 481CL, 481DR, 485AR, 485BR

C. Referenced Information

REFERENCE	DESIGNATION
TASK 05-57-00-200-001-A	Aircraft Stability
TASK 05-57-00-200-001-B	Aircraft Stability
TASK 05-57-00-200-001-C	Aircraft Stability
TASK 20-21-12-911-001-A	Tightening Torques for Pipe Unions (not for OXYGEN Unions)
TASK 20-28-00-912-802-A	Electrical Bonding - General Maintenance Procedure
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 54-55-00-400-001-A	Installation of the Aft Movable Fairing
TASK 54-56-00-400-001-A	Installation of the Lower Fairing
TASK 54-56-00-400-002-A	Installation of the Lower 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
Attach Fittings - Aft Fixed Fairing ** ON A/C NOT FOR ALL
Attach Fittings - Aft Fixed Fairing ** ON A/C NOT FOR ALL
Attach Fittings - Aft Fixed Fairing ** ON A/C NOT FOR ALL
Plate and Fitting - Aft Fixed Fairing ** ON A/C NOT FOR ALL
Plate and Fitting - Aft Fixed Fairing ** ON A/C NOT FOR ALL
Plate and Fitting - Aft Fixed Fairing ** ON A/C NOT FOR ALL
Drain Lines - Aft Fixed Fairing ** ON A/C NOT FOR ALL
Drain Lines - Aft Fixed Fairing ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 54-54-00-860-052-A ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) On the center pedestal, on ENG panel 115VU:
(a) Make sure that a WARNING NOTICE(S) is 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 a WARNING NOTICE(S) is in position to tell persons not to energize FADEC 1(2).
(3) Make sure that the aircraft is stable (Ref. AMM TASK 05-57-00-200-001).
(4) Make sure that the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE is in position:
(a) For the left pylon, in zone 470
(b) For the right pylon, in zone 480.

Subtask 54-54-00-040-068-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 sure that the thrust reverser is unserviceable for maintenance (Ref. AMM TASK 78-30-00-481-041).

Subtask 54-54-00-040-068-B ** 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 sure that the thrust reverser is unserviceable for maintenance (Ref. AMM TASK 78-30-00-040-012).

4. Procedure
Subtask 54-54-00-420-055-A ** ON A/C NOT FOR ALL

A. Installation of the Aft Fixed Fairing

Attach Fittings - Aft Fixed Fairing ** ON A/C NOT FOR ALL

(1) Put the aft fixed fairing in position.
(2) Install the bolts (9) and the nuts (10), (7) and (8).
(3) Install the washer (12), the bolt (14), the washer (15) and the nut (16).
(4) Install the bolt (11) and the nut (13).
(5) TORQUE the nuts (10) and (7) to between 3 and 2.6 m.daN (22.12 and 19.17 lbf.ft )

.
(6) TORQUE the nut (8) to between 0.45 and 0.35 m.daN (39.82 and 30.97 lbf.in )

.
(7) TORQUE the nut (16) to between 4.1 and 3.6 m.daN (30.24 and 26.55 lbf.ft )

.
(8) TORQUE the nut (13) to between 1.65 and 1.35 m.daN (146.02 and 119.47 lbf.in )

.
(9) Put the bonding lead (19) in position.
(10) Install the washer (18) and the screw (17).
(11) Tighten the screw (17).
(12) Do the electrical bonding of the bonding lead (19) at the screw (17) (Ref. AMM TASK 20-28-00-912-802).

Subtask 54-54-00-420-058-A ** ON A/C NOT FOR ALL

B. Installation of the Components

Plate and Fitting - Aft Fixed Fairing ** ON A/C NOT FOR ALL

(1) Install the plate (43). To do this:
(a) Install the bolts (41) and the nuts (42).
(b) Tighten the nuts (42).
(2) Connect the pylon mount upper-fitting (46). To do this:
(a) Put the pylon mount upper-fitting (46) in position.
(b) Install the bolts (44) and the nuts (45).
(c) Tighten the nuts (45).

Subtask 54-54-00-420-058-B ** ON A/C NOT FOR ALL

B. Installation of the Components

Plate and Fitting - Aft Fixed Fairing ** ON A/C NOT FOR ALL

(1) Install the plate (43). To do this:
(a) Install the washers (42) and the bolts (41).
(b) Tighten the bolts (41).
(2) Connect the pylon mount upper-fitting (46). To do this:
(a) Put the pylon mount upper-fitting (46) in position.
(b) Install the bolts (44) and the nuts (45).
(c) Tighten the nuts (45).

Subtask 54-54-00-420-059-A ** ON A/C NOT FOR ALL

C. Connection of the Drain Lines

Drain Lines - Aft Fixed Fairing ** ON A/C NOT FOR ALL

(1) Remove the blanking plugs from the disconnected line ends.
(2) Connect the two drain lines (21) and (22) (Ref. AMM TASK 20-21-12-911-001).

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

A. Installation of the Fairings
(1) Install the lower fairing (Ref. AMM TASK 54-56-00-400-001).
(2) Install the aft movable fairing (Ref. AMM TASK 54-55-00-400-001).

Subtask 54-54-00-420-056-B ** ON A/C NOT FOR ALL

A. Installation of the Fairings
(1) Install the lower fairing (Ref. AMM TASK 54-56-00-400-002).
(2) Install the aft movable fairing (Ref. AMM TASK 54-55-00-400-001).

Subtask 54-54-00-410-058-A ** ON A/C NOT FOR ALL

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

Subtask 54-54-00-410-058-B ** ON A/C NOT FOR ALL

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

Subtask 54-54-00-440-052-A ** ON A/C NOT FOR ALL

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

Subtask 54-54-00-440-052-B ** ON A/C NOT FOR ALL

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

Subtask 54-54-00-410-052-A ** ON A/C NOT FOR ALL

D. Close Access
(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 02:02:50 UTC