W DOC AIRBUS | AMM A320F

Special Detailed Inspection of Outer Wing Outboard Flap Tracks 3 and 4 Carriage Forgings

TASK 57-53-00-220-006-A
Special Detailed Inspection of Outer Wing Outboard Flap Tracks 3 and 4 Carriage Forgings

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.
CAUTION: BE CAREFUL WHEN YOU DO MAINTENANCE TASKS ON THE WING TRAILING EDGE:
  • DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE RACEWAYS.
  • DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE INSTALLATIONS.
  • MAKE SURE THAT THE ELECTRICAL CABLES ARE INSTALLED CORRECTLY. INCORRECT INSTALLATION CAN CAUSE DAMAGE.
ZONE: 532
ZONE: 632
ZONE: 533
ZONE: 633
1. Reason for the Job
Refer to the MPD TASK: 575350-02
NOTE: The effectivity of this task is ALL. To know if this task is applicable for your aircraft, refer to the MPD task applicability and the weight variant data given in the SRM introduction.
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
SAFETY CLIP - CIRCUIT BREAKER
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
532
FLAP TRACK 3 FAIRING
533
FLAP TRACK 4 FAIRING
632
FLAP TRACK 3 FAIRING
633
FLAP TRACK 4 FAIRING
 D. Referenced Information
REFERENCE
DESIGNATION
TASK 27-50-00-866-008-A
Extension of the Flaps on the Ground
TASK 27-50-00-866-008-A-01
Extension of the Flaps/Slats on the Ground
TASK 27-50-00-866-009-A
Retraction of the Flaps on the Ground
TASK 27-50-00-866-009-A-01
Retraction of the Flaps/Slats on the Ground
TASK 57-55-11-010-002-A
To Lower the Flap Track No. 3 & No. 4 Movable Fairings for Access
TASK 57-55-11-410-002-A
To Lift the Flap Track No. 3 & No. 4 Movable Fairings after Access
NTM 575350
SRM 575300
 (for corrective action)
F Flap Tracks 3 and 4 - Carriage Forgings
3. Job Set-up
Subtask 57-53-00-941-063-A
A. Safety Precautions
   (1) Put WARNING NOTICE(S) in the cockpit to tell persons not to operate the flaps or slats.
   (2) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
Subtask 57-53-00-860-094-A
B. Aircraft Maintenance Configuration
   (1) Extend the flaps fully (Ref. AMM TASK 27-50-00-866-008).
   (2) Make sure that the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION is installed on the flap/slat control lever.
Subtask 57-53-00-865-075-A
C. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
49VUFLIGHT CONTROLS/SEC1/NORM/SPLY21CE1B08
49VUFLIGHT CONTROLS/FLP/CTL AND MONG/SYS16CVB07
121VUFLIGHT CONTROLS/FLP/CTL AND/MONG/SYS28CVQ21
Subtask 57-53-00-010-062-A
D. Get Access
   (1) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE below the applicable wing trailing edge at flap tracks 3 and 4, zones 532(632) and 533(633).
   (2) Lower the flap track 3 and 4 movable fairings (Ref. AMM TASK 57-55-11-010-002).
4. Procedure
CAUTION: BE CAREFUL WHEN YOU DO MAINTENANCE TASKS ON THE WING TRAILING EDGE:
  • DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE RACEWAYS.
  • DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE INSTALLATIONS.
  • MAKE SURE THAT THE ELECTRICAL CABLES ARE INSTALLED CORRECTLY. INCORRECT INSTALLATION CAN CAUSE DAMAGE.
Subtask 57-53-00-110-061-A
A. Preparation for Inspection
   (1) Use a Textile-Lint free Cotton - (Material No.14SBA1) , made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) to clean the flap tracks 3 and 4 carriage forgings.
Subtask 57-53-00-280-051-A
B. Special Detailed Inspection of Outer Wing Outboard Flap Tracks 3 and 4 Carriage Forgings
   (1) Do a special detailed inspection of the flap track 3 and 4 carriage forgings NTM 575350.
NOTE: If necessary, refer to the SRM 575300 for the correct repair procedure. If the defect is not in this repair, you must request a procedure from AIRBUS.
5. Close-up
Subtask 57-53-00-410-061-A
A. Close Access
   (1) Lift the flap track 3 and 4 movable fairings (Ref. AMM TASK 57-55-11-410-002).
Subtask 57-53-00-865-076-A
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
49VUFLIGHT CONTROLS/SEC1/NORM/SPLY21CE1B08
49VUFLIGHT CONTROLS/FLP/CTL AND MONG/SYS16CVB07
121VUFLIGHT CONTROLS/FLP/CTL AND/MONG/SYS28CVQ21
Subtask 57-53-00-860-095-A
C. Aircraft Maintenance Configuration
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Retract the flaps (Ref. AMM TASK 27-50-00-866-009).
Subtask 57-53-00-942-062-A
D. Removal of Equipment
   (1) Remove the access platform(s).
   (2) Remove the WARNING NOTICE(S).
   (3) Remove the safety barriers.
   (4) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
[Rev.8 from Aug 2017] 2026.04.02 06:31:23 UTC
AVIA BRAIN PRODUCTION 2026