Open the Main Gear Doors for Access
TASK 32-12-00-010-001-A
Open the Main Gear Doors for Access
To open the main landing gear (MLG) doors for access to equipment installed in zones 147 and 148.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 32-12-00-941-051-A
Subtask 32-12-00-010-050-A
[Rev.10 from 2021]
2026.04.01 00:41:03 UTC
Open the Main Gear Doors for Access
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.
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.
1. Reason for the JobTo open the main landing gear (MLG) doors for access to equipment installed in zones 147 and 148.
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) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 195BB, 196BB |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 32-00-00-481-002-A | Installation of the Safety Devices on the Landing Gear Doors |
Subtask 32-12-00-941-051-A
A. Safety Precautions
(1) In the cockpit, make sure that:
4. Procedure(1) In the cockpit, make sure that:
- on the panel 400VU, the landing gear control-lever 6GA is in the DOWN position
- on the panel 110VU, the GRAVITY GEAR EXTN handle is folded into the center console.
Subtask 32-12-00-010-050-A
A. Open the Applicable MLG Door(s)
(2) Stand away from the travel range of the MLG door.
(3) Move the applicable MLG door ground-control-handle to the OPEN position, as follows:
(a) Remove the safety pin.
(b) Push and hold the pushbutton and move the MLG door ground-control-handle down.
(c) Release the pushbutton to lock the MLG door ground-control-handle in the OPEN position.
(d) Install the safety pin.
(4) If necessary, manually push the MLG door to open fully.
(5) Install the GROUND LOCK SLEEVE on the applicable MLG door actuating-cylinder (Ref. AMM TASK 32-00-00-481-002).
(6) If only one MLG door is open, put a WARNING NOTICE(S) on the ground control handle of the closed MLG door.
WARNING:
MAKE SURE THAT THE TRAVEL RANGES OF THE LANDING GEAR ARE CLEAR.
WARNING:
INSTALL THE GROUND LOCK SLEEVE ON THE MLG DOOR ACTUATING CYLINDER PISTON ROD IMMEDIATELY AFTER YOU OPEN THE MLG DOOR. SUDDEN DOOR MOVEMENT CAN KILL YOU OR CAUSE INJURY.
(1) Open the access panel 195BB ( 196BB). (2) Stand away from the travel range of the MLG door.
(3) Move the applicable MLG door ground-control-handle to the OPEN position, as follows:
(a) Remove the safety pin.
(b) Push and hold the pushbutton and move the MLG door ground-control-handle down.
(c) Release the pushbutton to lock the MLG door ground-control-handle in the OPEN position.
(d) Install the safety pin.
(4) If necessary, manually push the MLG door to open fully.
(5) Install the GROUND LOCK SLEEVE on the applicable MLG door actuating-cylinder (Ref. AMM TASK 32-00-00-481-002).
(6) If only one MLG door is open, put a WARNING NOTICE(S) on the ground control handle of the closed MLG door.
NOTE: This notice must tell persons not to open the MLG door because persons are near the MLG doors.
MLG Door Ground-Control-Handle