General Visual Inspection of L/G Extension/Retraction System Components

TASK 32-31-00-210-002-A
General Visual Inspection of L/G Extension/Retraction System Components

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: 123
ZONE: 147
ZONE: 148

1. Reason for the Job
Refer to the MPD TASK: 323000-19
GENERAL VISUAL INSPECTION OF L/G EXTENSION / RETRACTION SYSTEM COMPONENTS
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	SAFETY BARRIER(S)
No specific	AR	WARNING NOTICE(S)
FOR [2501GM] (LEG ASSY-MLG, L)
FOR [2502GM] (LEG ASSY-MLG, R)
No specific	AR	ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE

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
123	NOSE GEAR WELL
147	MAIN GEAR WELL AND HYDRAULIC COMPARTMENT
148	MAIN GEAR WELL AND HYDRAULIC COMPARTMENT

D. Referenced Information

REFERENCE	DESIGNATION
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
NLG Extension/Retraction System Components
MLG Extension/Retraction System Components
FOR [2501GM] (LEG ASSY-MLG, L)
FOR [2502GM] (LEG ASSY-MLG, R)
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
FOR [2526GM]
FOR [2881GM] (LEG ASSY-NLG,NON-CUSTOMIZED)
TASK 32-22-00-010-001-A	Nose Gear Doors - Ground Doors Opening
TASK 32-22-00-410-001-A	Nose Gear Doors - Ground Doors Closing

3. Job Set-up
Subtask 32-31-00-941-096-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.

Subtask 32-31-00-010-086-A

B. Get Access
(1) FOR [2501GM] (LEG ASSY-MLG, L), [2502GM] (LEG ASSY-MLG, R)
Open the main gear doors (Ref. AMM TASK 32-12-00-010-001).
(2) FOR [2526GM] , [2881GM] (LEG ASSY-NLG,NON-CUSTOMIZED)
Open the nose gear doors (Ref. AMM TASK 32-22-00-010-001).
(3) Install the safety devices on the landing gear doors (Ref. AMM TASK 32-00-00-481-002).
(4) FOR [2501GM] (LEG ASSY-MLG, L), [2502GM] (LEG ASSY-MLG, R)
Put an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE below applicable zone 147 (148).
(5) FOR [2526GM] , [2881GM] (LEG ASSY-NLG,NON-CUSTOMIZED)
Put an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE below zone 123.

Subtask 32-31-00-160-050-A

C. Clean the Inspection Area
(1) Use a clean 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 32-31-00-210-066-A

A. General Visual Inspection of the Landing Gear Extension and Retraction System Components
(1) In the nose gear well (zone 123), do a general visual inspection of the:

NLG vent valve (2532GM)
NLG door by-pass valve (2533GM)
NLG uplock actuator (part of NLG uplock assembly (2530GM))
NLG door uplock actuator (part of NLG door uplock assembly (2534GM)).

(a) Make sure that there are no signs of corrosion, cracks, leaks or damage.
(b) Make sure that all the installations (wiring, ducting and piping) are attached correctly.
(2) In the main gear well and hydraulic compartment (zone 148), do a general visual inspection of the:

Selector valve manifold (2524GM), that includes gear selector valve (40GA) and door selector valve (41GA)
Free-fall cut-out valve (2515GM)
Safety valve (49GA)
MLG door ground-opening by-pass valve (2518GM)
MLG uplock actuator (part of MLG uplock assembly (2510GM))
MLG door uplock actuator (part of MLG door uplock assembly (2520GM)).

(a) Make sure that there are no signs of corrosion, cracks, leaks or damage.
(b) Make sure that all the installations (wiring, ducting and piping) are attached correctly.
(3) In the main gear well and hydraulic compartment (zone 147), do a general visual inspection of the:

MLG vent valve (2516GM)
MLG door ground-opening by-pass valve (2517GM)
MLG uplock actuator (part of MLG uplock assembly (2509GM))
MLG door uplock actuator (part of MLG door uplock assembly (2521GM)).

(a) Make sure that there are no signs of corrosion, cracks, leaks or damage.
(b) Make sure that all the installations (wiring, ducting and piping) are attached correctly.

5. Close-up
Subtask 32-31-00-410-079-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) FOR [2501GM] (LEG ASSY-MLG, L), [2502GM] (LEG ASSY-MLG, R)
Close the main gear doors (Ref. AMM TASK 32-12-00-410-001).
(5) FOR [2526GM] , [2881GM] (LEG ASSY-NLG,NON-CUSTOMIZED)
Close the nose gear doors (Ref. AMM TASK 32-22-00-410-001).

Subtask 32-31-00-942-099-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 00:44:15 UTC