General Visual Inspection of LH/RH Main Landing Gear including Cylinder and Secondary Doors (EWIS)

TASK 05-27-30-200-001-A
General Visual Inspection of LH/RH Main Landing Gear including Cylinder and Secondary Doors (EWIS)

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.

ZONE: 731
ZONE: 732
ZONE: 733
ZONE: 741
ZONE: 742
ZONE: 743

1. Reason for the Job
Refer to the MPD TASK: ZL-731-01
GENERAL VISUAL INSPECTION OF LH/RH MAIN LANDING GEAR INCLUDING CYLINDER AND SECONDARY DOORS (EWIS).

NOTE: This task can contribute to fuel savings.

NOTE: This is an EWIS (Electrical Wiring Interconnection System) procedure. EWIS is defined in ESPM 20-33-11.

2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
No specific	AR	SAFETY BARRIER(S)
No specific	AR	WARNING NOTICE(S)
460005835	1	SLEEVE - GROUND LOCK

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
731	L.H MAIN GEAR
732	CYLINDER DOOR
733	SECONDARY DOOR
741	R.H MAIN GEAR
742	CYLINDER DOOR
743	SECONDARY DOOR

C. Referenced Information

REFERENCE	DESIGNATION
TASK 32-00-00-481-001-A	Installation of the Safety Devices on the Landing Gears
TASK 32-11-00-210-802-A	Inspection and Repair of the MLG 1M and 2M Leg Harnesses
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
Main Landing Gear and Doors

3. Job Set-up
Subtask 05-27-30-941-051-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 gear (Ref. AMM TASK 32-00-00-481-001).

Subtask 05-27-30-860-051-A

B. Aircraft Maintenance Configuration
(1) In the cockpit, on panel 400VU:

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

(2) In the cockpit, on panel 110VU, make sure that the GRAVITY GEAR EXTN handle is folded into the center console.

Subtask 05-27-30-010-050-A

C. Get Access
(1) Open the MLG doors (Ref. AMM TASK 32-12-00-010-001).
(2) Make sure that the 460005835 SLEEVE - GROUND LOCK is on the applicable MLG door actuator.
(3) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position below the applicable zone.

4. Procedure
Subtask 05-27-30-210-050-A

A. Inspection

Main Landing Gear and Doors

(1) Do a general visual inspection of the main landing gears and the main landing gear cylinder and secondary doors (zones 731, 732, 733, 741, 742 and 743).
(2) Do an inspection of the MLG 1M and 2M leg harnesses (Ref. AMM TASK 32-11-00-210-802).
(3) Make sure that there are no signs of corrosion, cracks or damage on all the parts of the components and the structure that you can see.
(4) Make sure that all the installations (wiring, ducting and piping) are correctly attached.

5. Close-up
Subtask 05-27-30-410-054-A

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the access platform(s).
(3) Close the MLG doors (Ref. AMM TASK 32-12-00-410-001).
(4) Remove the SAFETY BARRIERS.
(5) Remove the WARNING NOTICE(S).
(6) Remove all the fixtures, tools, test and support equipment used during this procedure.

[Rev.10 from 2021] 2026.04.01 04:25:43 UTC