W DOC AIRBUS | AMM A320F

Installation of the Access Panel

TASK 57-41-37-400-011-A
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: 470
ZONE: 480
ZONE: 520
ZONE: 620
1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE
No specific
AR
SAFETY BARRIER(S)
No specific
AR
SCRAPER - NON METALLIC
No specific
AR
WARNING NOTICE(S)
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.06ABB2)
Polysulfide Sealant-Fuel Tank Fillet 120 degre Celsius
(Material No.08BAA9)
Non Aqueous Cleaner-General - -
(Material No.14DBB1)
Release Agent-- Liquid Wax -
(Material No.14SBA1)
Textile-Lint free Cotton -
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
470
ENGINE 1 AFT PYLON
480
ENGINE 2 AFT PYLON
520
LEFT WING FIXED LEADING EDGE
620
RIGHT WING FIXED LEADING EDGE
471AL
414FR, 423FL
413ET, 423ET
471BL, 481AR, 481BR
482AR
 D. Referenced Information
REFERENCE
DESIGNATION
TASK 27-80-00-866-004-A
Extending the Slats on the Ground
TASK 27-80-00-866-005-A
Retracting the Slats on the Ground
TASK 54-53-11-000-002-A
Removal of the Pylon-to-Wing Access Panels
TASK 54-53-11-000-002-B
Removal of the Pylon-to-Wing Access Panels
TASK 54-53-11-400-002-A
Installation of the Pylon-to-Wing Access Panels
TASK 54-53-11-400-002-B
Installation of the Pylon-to-Wing Access Panels
F Access Panel 521HB(621HB) - Location and Detail
F Access Panel 521HB(621HB) - Clearance and Sealant Application
3. Job Set-up
Subtask 57-41-37-941-077-A
A. Safety Precautions
   (1) Make sure that the SAFETY BARRIER(S) are in position.
Subtask 57-41-37-860-074-A
B. Aircraft Maintenance Configuration
   (1) Make sure that the slats are fully extended (Ref. AMM TASK 27-80-00-866-004).
   (2) Make sure that the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION is installed on the flap/slat control lever.
   (3) Make sure that the WARNING NOTICE(S) is in position in the cockpit to tell persons not to operate the slats.
   (4) Make sure that the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE is in position below the applicable access panel 521HB(621HB).
Subtask 57-41-37-865-094-A
C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/SLT/CTL AND MONG/SYS15CVB06
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/SLT/CTL AND MONG/SYS15CVB01
** ON A/C ALL
121VUFLIGHT CONTROLS/SLT/CTL/SYS27CVR21
Subtask 57-41-37-010-074-A ** ON A/C NOT FOR ALL
D. Get Access
   (1) Make sure that the pylon-to-wing access panels are removed (Ref. AMM D/O 54-53-11-00):
     (a) For the left pylon:
     (b) For the right pylon:
Subtask 57-41-37-010-074-C ** ON A/C NOT FOR ALL
D. Get Access
   (1) Make sure that the pylon-to-wing access panels are removed (Ref. AMM TASK 54-53-11-000-002):
     (a) For the left pylon:
     (b) For the right pylon:
Subtask 57-41-37-010-074-D ** ON A/C NOT FOR ALL
D. Get Access
   (1) Make sure that the pylon-to-wing access panels are removed (Ref. AMM TASK 54-53-11-000-002):
     (a) For the left pylon:
     (b) For the right pylon:
4. Procedure
Subtask 57-41-37-210-065-A
A. Preparation for Installation
   (1) Do an inspection of the component interfaces and the adjacent area.
   (2) Use a SCRAPER - NON METALLIC and a Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) to clean:
  • the interface of the aircraft structure
  • the mating surfaces of the access panel (1).
   (3) Apply Polysulfide Sealant-Fuel Tank Fillet 120 degre Celsius (Material No.06ABB2) to the interface of the aircraft structure.
   (4) Apply Release Agent-- Liquid Wax - (Material No.14DBB1) to the mating surfaces of the access panel (1).
   (5) Make sure that the work area is clean and clear of tools and other items.
Subtask 57-41-37-420-065-A
B. Installation of the Access Panel 521HB(621HB)
NOTE: The access panel is attached to the wing skin with screws of two different lengths.
   (1) Make sure that the screws are installed in their correct position.
   (2) Hold the access panel (1) in position.
   (3) Loosely install the screws (2) and (3) in their correct position.
   (4) Make sure that the clearance J1 between the access panel (1) and the nose skin is 1.5 -1 mm or +1 mm (0.0591 -0.0394 in. or +0.0394 in.). Make sure that the clearance J1 is the same all along the length of the access panel (1).
   (5) Tighten the screws (2) and (3) gradually.
   (6) Fill the clearance J1 between the access panel (1) and the lower wing skin panel with Polysulfide Sealant-Fuel Tank Fillet 120 degre Celsius (Material No.06ABB2) . Make sure that you fill the width of the pylon rib only.
5. Close-up
Subtask 57-41-37-410-070-A ** ON A/C NOT FOR ALL
A. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Install the pylon-to-wing access panels (Ref. AMM D/O 54-53-11-40):
     (a) For the left pylon:
     (b) For the right pylon:
Subtask 57-41-37-410-070-C ** ON A/C NOT FOR ALL
A. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Install the pylon-to-wing access panels (Ref. AMM TASK 54-53-11-400-002):
     (a) For the left pylon:
     (b) For the right pylon:
Subtask 57-41-37-410-070-D ** ON A/C NOT FOR ALL
A. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Install the pylon-to-wing access panels (Ref. AMM TASK 54-53-11-400-002):
     (a) For the left pylon:
     (b) For the right pylon:
Subtask 57-41-37-865-095-A
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/SLT/CTL AND MONG/SYS15CVB06
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/SLT/CTL AND MONG/SYS15CVB01
** ON A/C ALL
121VUFLIGHT CONTROLS/SLT/CTL/SYS27CVR21
Subtask 57-41-37-860-075-A
C. Aircraft Maintenance Configuration
   (1) Remove the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION from the flap/slat control lever.
   (2) Retract the slats (Ref. AMM TASK 27-80-00-866-005).
Subtask 57-41-37-942-067-A
D. Removal of Equipment
   (1) Remove the access platform(s).
   (2) Remove the safety barriers.
   (3) Remove the WARNING NOTICE(S).
   (4) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
[Rev.10 from 2021] 2026.04.01 03:53:17 UTC
"Aviabrain" 2025