Detailed Inspection of Main Landing Gear Retraction Actuator - External Surfaces Except Where Covered by Dressings and Bush Flanges

TASK 32-11-00-200-018-A
Detailed Inspection of Main Landing Gear Retraction Actuator - External Surfaces Except Where Covered by Dressings and Bush Flanges

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: MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING GEAR. THIS WILL PREVENT UNWANTED MOVEMENT OF THE LANDING GEAR, AND THUS POSSIBLE INJURY TO PERSONS AND DAMAGE TO THE AIRCRAFT AND/OR EQUIPMENT.

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

ZONE: 731
ZONE: 741

1. Reason for the Job
Refer to the MPD TASK: 321146-01
DETAILED INSPECTION OF MAIN LANDING GEAR, RETRACTION ACTUATOR - EXTERNAL SURFACE, EXCEPT WHERE COVERED BY DRESSINGS & BUSH FLANGES.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	ACCESS PLATFORM 3M (10 FT)
No specific	AR	SAFETY BARRIER(S)
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
731	L.H MAIN GEAR
741	R.H MAIN GEAR

D. Referenced Information

REFERENCE	DESIGNATION
TASK 29-10-00-864-001-A	Depressurize the Green Hydraulic System
TASK 32-00-00-081-002-A	Removal of the Safety Devices from the Landing Gear Doors
TASK 32-00-00-481-001-A	Installation of the Safety Devices on the Landing Gears
TASK 32-00-00-481-002-A	Installation of the Safety Devices on the Landing Gear Doors
TASK 32-12-00-010-001-A	Open the Main Gear Doors for Access
TASK 32-12-00-410-001-A	Close the Main Gear Doors after Access
TASK 32-11-00-300-001-A	Repair of the Surface Damage on the MLG (for corrective action)

3. Job Set-up
Subtask 32-11-00-941-089-A

A. Safety Precautions
(1) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
(2) Make sure that the ground safety locks are on the landing gears (Ref. AMM TASK 32-00-00-481-001).
(3) On panel 400VU:

make sure that the landing-gear control-lever 6GA is in the DOWN position
put a WARNING NOTICE(S) in position to tell persons not to operate the landing gear.

(4) On the panel 110VU, make sure that the GRAVITY GEAR EXT handle is folded into the center console.
(5) Make sure that the Green Hydraulic system is depressurized (Ref. AMM TASK 29-10-00-864-001).

Subtask 32-11-00-010-081-A

B. Get Access
(1) Open the landing gear doors (Ref. AMM TASK 32-12-00-010-001).
(2) Install the safety devices on the landing gear doors (Ref. AMM TASK 32-00-00-481-002).
(3) For the MLG, put an ACCESS PLATFORM 3M (10 FT) below the applicable zone(s) 734(744).

Subtask 32-11-00-160-051-A

C. Clean the Inspection Area

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

(1) Use a clean lint-free cotton cloth Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) to clean the areas of inspection.

4. Procedure
Subtask 32-11-00-210-078-A

A. Detailed Inspection of the MLG Retraction Actuator - External Surfaces Except Where Covered by Dressings and Bush Flanges
(1) Make sure that all the components are correctly installed, safetied and there are no signs of wear.
(2) Make sure that all safety devices:

cotter pins, tab washers and lockwire are correctly installed and serviceable.

(3) Examine all lubrication points to make sure that they are serviceable and clean.
(4) Examine the protective finish on the surface of the MLG Retraction Actuator and its components for damage.
(5) If the protective finish or primer layers are damaged, do a repair (Ref. AMM TASK 32-11-00-300-001).

5. Close-up
Subtask 32-11-00-410-075-A

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the safety devices from the landing gear doors (Ref. AMM TASK 32-00-00-081-002).
(3) Remove the access platform(s).
(4) Close the landing gear doors (Ref. AMM TASK 32-12-00-410-001).

Subtask 32-11-00-942-090-A

B. Removal of Equipment
(1) Remove the SAFETY BARRIER(S).
(2) Remove the WARNING NOTICE(S).
(3) Remove the ground support and maintenance equipment, the special and standard tools and all other items.

[Rev.10 from 2021] 2026.04.01 00:39:44 UTC