W DOC AIRBUS | AMM A320F

Special Detailed Inspection (HFEC & US) of MLG Door Actuator Lugs, LH/RH

TASK 52-81-00-280-801-A
Special Detailed Inspection (HFEC & US) of MLG Door Actuator Lugs, LH/RH

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: 734
ZONE: 744
1. Reason for the Job
Refer to the MPD TASK: 528106-01
SPECIAL DETAILED INSPECTION (HFEC & US) OF MLG DOOR ACTUATOR LUGS, LH/RH
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
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
734
MAIN DOOR
744
MAIN DOOR
 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
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 32-12-11-000-001-A
Removal of the Door Assembly - Main
TASK 32-12-11-400-001-A
Installation of the Door Assembly - Main
TASK 32-31-35-000-001-A
Removal of the MLG Door Actuating-Cylinder
TASK 32-31-35-400-001-A
Installation of the MLG Door Actuating-Cylinder
NTM 528106
SRM 528114
 (for corrective action)
F MLG Door Actuator Lugs
3. Job Set-up
Subtask 52-81-00-941-057-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).
   (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 EXTN handle is folded into the center console.
Subtask 52-81-00-010-057-A
B. Get Access
   (1) Open the MLG doors (Ref. AMM TASK 32-12-00-010-001).
   (2) Install the safety devices on the MLG doors (Ref. AMM TASK 32-00-00-481-002).
   (3) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE below the applicable zone 734(744).
   (4) Disconnect the MLG door actuating cylinders from the doors (Ref. AMM TASK 32-31-35-000-001).
Subtask 52-81-00-160-051-A
C. Preparation of the Inspection Area
   (1) Make sure that the inspection area is sufficiently clean to do a satisfactory inspection of the area.
   (2) If not, clean the inspection area with Non Aqueous Cleaner-General - - (Material No.08BAA9) and the Textile-Lint free Cotton - (Material No.14SBA1) .
4. Procedure
Subtask 52-81-00-280-051-A
A. Inspection
   (1) Do a special detailed inspection (HFEC and US) of the left and right MLG door actuator lugs for damage and discontinuities NTM 528106.
   (2) Make a report of the damage after the NTM inspection:
     (a) Make sure that:
  • The paint surface is in a good condition.
  • There are no cracks or distortion.
  • There is no wear or corrosion.
   (3) If damage is found:
NOTE: If the necessary repair procedure is not included in the SRM, you must get a procedure from AIRBUS.
5. Close-up
Subtask 52-81-00-410-057-A
A. Close Access
   (1) Connect the MLG door actuating cylinders to the doors (Ref. AMM TASK 32-31-35-400-001).
   (2) Make sure that the work area is clean and clear of tools and other items.
   (3) Remove the access platform(s).
   (4) Remove the safety devices from the MLG doors (Ref. AMM TASK 32-00-00-081-002).
   (5) Close the MLG doors (Ref. AMM TASK 32-12-00-410-001).
Subtask 52-81-00-942-057-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] 2026.04.02 06:28:38 UTC
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