W DOC AIRBUS | AMM A320F

Installation of the Access Panel

TASK 57-27-11-400-005-C
Installation of the Access Panel

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
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.
ZONE: 521
ZONE: 621
1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
1
ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE
No specific
AR
SAFETY BARRIER(S)
No specific
AR
WARNING NOTICE(S)
98D27803500001
1
LOCKING TOOL ZERO POS
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.06AEA1)
Polysulfide Sealant-Low Adhesion Brushable -
(Material No.08BAA9)
Non Aqueous Cleaner-General - -
(Material No.14SBA1)
Textile-Lint free Cotton -
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
521
INBOARD FIXED L.E STRUCTURE
621
INBOARD FIXED L.E STRUCTURE
 D. Referenced Information
REFERENCE
DESIGNATION
TASK 28-10-00-910-001-A
Safety Procedures When You Do Work in a Fuel Tank
TASK 28-10-00-910-002-A
Access to the Fuel Tanks and the Work Areas
TASK 57-41-37-000-004-A
Removal of the Pressure Relief Panels
TASK 57-41-37-400-002-A
Installation of the Pressure Relief Panels
F Access Panel 521AZ (621AZ), 521BZ (621BZ), 521CZ (621CZ)
3. Job Set-up
Subtask 57-27-11-941-075-A ** ON A/C NOT FOR ALL
A. Safety Precautions
WARNING: BEFORE YOU DO WORK IN OR NEAR A FUEL TANK, MAKE SURE THAT YOU OBEY ALL THE SAFETY PROCEDURES. THIS WILL PREVENT INJURY TO PERSONS AND/OR DAMAGE TO THE AIRCRAFT.
   (1) You must obey the fuel safety procedures when you do work in a fuel tank, (Ref. AMM TASK 28-10-00-910-001) and (Ref. AMM TASK 28-10-00-910-002).
   (2) Make sure that the SAFETY BARRIER(S) are in position.
   (3) Make sure the 98D27803500001 LOCKING TOOL ZERO POS is correctly installed on the flap/slat control lever.
   (4) Make sure the WARNING NOTICE(S) are in position in the cockpit to tell persons not to operate the flaps or slats.
Subtask 57-27-11-010-068-A ** ON A/C NOT FOR ALL
B. Get Access
   (1) Make sure the ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE is in position below the wing leading edge, zone 521(621).
   (2) Make sure the leading-edge pressure-relief panel 521EB(621EB) is removed (Ref. AMM TASK 57-41-37-000-004).
4. Procedure
Subtask 57-27-11-110-059-A ** ON A/C NOT FOR ALL
A. Preparation for Installation
   (1) Use a Textile-Lint free Cotton - (Material No.14SBA1) , made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) to clean the interfaces of the:
  • Access panel (1)
  • Access panel assembly (2)
  • Front spar.
   (2) Examine for damage at the interfaces of the:
  • Access panel (1)
  • Access panel assembly (2)
  • Front spar skin.
Subtask 57-27-11-420-065-A ** ON A/C NOT FOR ALL
B. Installation of the Access Panel(s)
   (1) Make sure that the work area is clean and clear of tools and equipment before you install the:
  • Access panel (1)
  • Access panel assembly (2).
   (2) Apply a layer of Polysulfide Sealant-Low Adhesion Brushable - (Material No.06AEA1) to the interfaces of the:
  • Access panel (1)
  • Access panel assembly (2)
  • Front spar.
   (3) Put the access panel assembly (2) in position on the aft face of the front spar.
   (4) Put the access panel (1) in position on the forward face of the front spar.
   (5) Install and tighten the bolts (3).
Subtask 57-27-11-410-062-A ** ON A/C NOT FOR ALL
C. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Install the applicable leading-edge pressure-relief panel 521EB(621EB) (Ref. AMM TASK 57-41-37-400-002).
5. Close-up
Subtask 57-27-11-942-063-A ** ON A/C NOT FOR ALL
A. Removal of Equipment
   (1) Remove the safety barriers.
   (2) Remove the access platform(s).
   (3) Remove the 98D27803500001 LOCKING TOOL ZERO POS from the flap/slat control lever.
   (4) Remove the WARNING NOTICE(S).
   (5) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
[Rev.10 from 2021] 2026.04.01 02:11:58 UTC
"Aviabrain" 2025