Detailed Inspection of the Pylon Aft Fixed Fairing

TASK 54-54-00-200-002-A
Detailed Inspection of the Pylon Aft Fixed Fairing

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

ZONE: 470
ZONE: 480

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)

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
FOR [1000EM1] (ENGINE-1)
437AL, 438AR, 451AL, 452AR
FOR [1000EM2] (ENGINE-2)
447AL, 448AR, 461AL, 462AR

D. Referenced Information

REFERENCE	DESIGNATION
TASK 54-56-00-000-002-A	Removal of the Lower Fairing
TASK 54-56-00-400-002-A	Installation of the Lower Fairing
TASK 71-13-00-010-010-A	Opening of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 71-13-00-410-010-A	Closing of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 78-30-00-040-012-A	Deactivation of the Thrust Reverser Hydraulic Control Unit (HCU) for Ground Maintenance
TASK 78-30-00-440-012-A	Re-activation of the Thrust Reverser Hydraulic Control Unit (HCU) after Ground Maintenance
TASK 78-32-00-010-010-A	Opening of the Thrust Reverser Halves
TASK 78-32-00-410-010-A	Closing of the Thrust Reverser Halves
SRM 545412
SRM 545611
Pylon Aft Fixed Fairing

3. Job Set-up
Subtask 54-54-00-941-055-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) to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the 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) to tell persons not to energize the FADEC.

Subtask 54-54-00-010-053-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Open the fan cowl doors (Ref. AMM TASK 71-13-00-010-010):
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR.
(2) Open the thrust reverser doors (Ref. AMM TASK 78-32-00-010-010):
(a) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(b) FOR [1000EM2] (ENGINE-2)
461AL 462AR.
(3) Put an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position:
(a) At zone 470 for the left pylon
(b) At zone 480 for the right pylon.

Subtask 54-54-00-020-061-A ** ON A/C NOT FOR ALL

C. Removal of the Components
(1) Remove the lower fairing (Ref. AMM TASK 54-56-00-000-002).

Subtask 54-54-00-040-053-A ** ON A/C NOT FOR ALL

D. Aircraft Maintenance Configuration
(1) Make the thrust reverser unserviceable (Ref. AMM TASK 78-30-00-040-012).

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

E. Cleaning of the Structure
(1) Clean the inspection area with Non Aqueous Cleaner-General - - (Material No.08BAA9) and a lint-free cotton cloth Textile-Lint free Cotton - (Material No.14SBA1) , if necessary.

4. Procedure
Subtask 54-54-00-220-063-A ** ON A/C NOT FOR ALL

A. Inspection

Pylon Aft Fixed Fairing ** ON A/C NOT FOR ALL

(1) Do a detailed inspection of the lower surface of the lower spar of the pylon aft fixed fairing.
(2) Make sure that there is no:
(a) Damages:

If you find damages, refer to the Structural Repair Manual SRM 545611 and SRM 545412 for corrective action.

5. Close-up
Subtask 54-54-00-420-060-A ** ON A/C NOT FOR ALL

A. Installation of the Components
(1) Install the lower fairing (Ref. AMM TASK 54-56-00-400-002).

Subtask 54-54-00-440-053-A ** ON A/C NOT FOR ALL

B. Aircraft Maintenance Configuration
(1) Make the thrust reverser serviceable (Ref. AMM TASK 78-30-00-440-012).

Subtask 54-54-00-410-053-A ** ON A/C NOT FOR ALL

C. Close Access
(1) Close the thrust reverser doors (Ref. AMM TASK 78-32-00-410-010):
(a) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(b) FOR [1000EM2] (ENGINE-2)
461AL 462AR.
(2) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-010):
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR.
(3) Make sure that the work area is clean and clear of tools and other items.
(4) Remove the access platform(s).
(5) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.01 02:03:00 UTC