Cleaning of the Skin Panels of the Aft Fixed Fairing

TASK 54-54-11-100-001-A
Cleaning of the Skin Panels of the 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	1	ACCESS PLATFORM 3M (10 FT)
No specific	1	BRUSH - BRISTLED, FIBER, SOFT
No specific	1	WARNING NOTICE(S)

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.08ABC1)	Aqueous Cleaner-Aircraft Exterior Pressure Spraying -
(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

D. Referenced Information

REFERENCE	DESIGNATION
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
SRM 54541101	(for corrective action)
SRM 54541102	(for corrective action)
Inspection Areas for Cleaning of the Skin Panels ** ON A/C NOT FOR ALL
Inspection Areas for Cleaning of the Skin Panels ** ON A/C NOT FOR ALL
Inspection Areas for Cleaning of the Skin Panels ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 54-54-11-941-050-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 54-54-11-040-050-A ** ON A/C NOT FOR ALL

B. Make the thrust reverser unserviceable (Ref. AMM TASK 78-30-00-481-041).

Subtask 54-54-11-040-050-B ** ON A/C NOT FOR ALL

B. Make the thrust reverser unserviceable (Ref. AMM TASK 78-30-00-040-012).

Subtask 54-54-11-010-050-A ** ON A/C NOT FOR ALL

C. Get Access
(1) Put an ACCESS PLATFORM 3M (10 FT) in position at zone 470 (480).

4. Procedure
Subtask 54-54-11-220-050-A ** ON A/C NOT FOR ALL

A. Inspection

Inspection Areas for Cleaning of the Skin Panels ** ON A/C NOT FOR ALL

(1) Do a detailed visual inspection of the pylon aft-fixed-fairing skin-panels.
(2) Make sure that there is no dirt:
- If you find dirt, refer to the cleaning procedure in para. 4.B.

Subtask 54-54-11-110-050-A ** ON A/C NOT FOR ALL

B. Cleaning of the Structure

CAUTION: MAKE SURE THAT YOU APPLY PROTECTION TO NON-WATERPROOF ELECTRICAL ITEMS.

(1) Apply Aqueous Cleaner-Aircraft Exterior Pressure Spraying - (Material No.08ABC1) with a lint-free cotton cloth Textile-Lint free Cotton - (Material No.14SBA1) .
(2) Let the material operate for 5 to 10 minutes in relation to the quantity of dirt.
(3) Clean the dirt areas with a BRUSH - BRISTLED, FIBER, SOFT or a lint-free cotton cloth Textile-Lint free Cotton - (Material No.14SBA1) .
(4) Flush the surface with water.
(5) Let it dry.

Subtask 54-54-11-220-051-A ** ON A/C NOT FOR ALL

C. Inspection

Inspection Areas for Cleaning of the Skin Panels ** ON A/C NOT FOR ALL

(1) Do a detailed visual inspection of the pylon aft-fixed-fairing skin-panels.
(2) Make sure that there is no corrosion damage, heat damage or defective paint:
- If you find corrosion damage, heat damage or defective paint, refer to the Structural Repair Manual SRM 54541101 or SRM 54541102 for damage classification and corrective action.

5. Close-up
Subtask 54-54-11-440-050-A ** ON A/C NOT FOR ALL

A. Make the thrust reverser serviceable (Ref. AMM TASK 78-30-00-081-041).

Subtask 54-54-11-440-050-B ** ON A/C NOT FOR ALL

A. Make the thrust reverser serviceable (Ref. AMM TASK 78-30-00-440-012).

Subtask 54-54-11-860-050-A ** ON A/C NOT FOR ALL

B. Put the aircraft back to the serviceable condition.
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the WARNING NOTICE(S).
(3) Remove the access platform(s).

[Rev.10 from 2021] 2026.04.01 02:03:04 UTC