W DOC AIRBUS | AMM A320F

Detailed Inspection of Outer-Wing Flap-Track-Beams 2, 3, 4 Forward Spigot Pins, Bolts and Fittings

TASK 57-26-00-220-004-A
Detailed Inspection of Outer-Wing Flap-Track-Beams 2, 3, 4 Forward Spigot Pins, Bolts and Fittings

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: 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: 530
ZONE: 630
1. Reason for the Job
Refer to the MPD TASK: 572607-02
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 3M (10 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.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
530
L WG FLAP TAB, FLAP TRACK FAIR & WG TIP
630
RIGHT WING FLAP TRACK FAIR AND WING TIP
531AB, 531BB, 532AB, 532BB, 533AB, 533BB, 631AB, 631BB, 632AB, 632BB, 633AB, 633BB
531CB, 531EB, 532CB, 532EB, 533CB, 533EB, 631CB, 631EB, 632CB, 632EB, 633CB, 633EB
 D. Expendable Parts
FIG.ITEM
DESIGNATION
IPC-CSN
5
cotter pin
AIPC 57-51-33-02-010
 E. 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 57-55-11-000-001-A
Removal of the Flap Track Fairings Nos. 2, 3 and 4
TASK 57-55-11-000-004-A
Removal of the Flap Track Fairings Nos. 2, 3 and 4
TASK 57-55-11-400-001-A
Installation of the Flap Track Fairings Nos. 2, 3 and 4
TASK 57-55-11-400-004-A
Installation of the Flap Track Fairings Nos. 2, 3 and 4
SRM 572600
 (for corrective action)
F Flap Track Beams 2, 3 and 4 - Forward Spigot Pins, Bolts and Fittings
3. Job Set-up
Subtask 57-26-00-941-059-A
A. Safety Precautions
   (1) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
   (2) Put WARNING NOTICE(S) in the cockpit to tell persons not to operate the flaps or slats.
Subtask 57-26-00-866-060-A
B. Aircraft Maintenance Configuration
   (1) Fully extend the flaps (Ref. AMM TASK 27-50-00-866-008).
   (2) Make sure that the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION is on the flap/slat control lever.
Subtask 57-26-00-865-060-A
C. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
49VUFLIGHT CONTROLS/FLP/CTL AND MONG/SYS16CVB07
121VUFLIGHT CONTROLS/FLP/CTL AND/MONG/SYS28CVQ21
Subtask 57-26-00-010-059-A ** ON A/C NOT FOR ALL
D. Get Access
   (1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE below the applicable wing trailing edge:
  • for flap track 2, at zone 531(631)
  • for flap track 3, at zone 532(632)
  • for flap track 4, at zone 533(633).
   (2) Remove the applicable flap track fixed fairing access panels (Ref. AMM TASK 57-55-11-000-001):
Subtask 57-26-00-010-059-B ** ON A/C NOT FOR ALL
D. Get Access
   (1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE below the applicable wing trailing edge:
  • for flap track 2, at zone 531(631)
  • for flap track 3, at zone 532(632)
  • for flap track 4, at zone 533(633).
   (2) Remove the applicable flap track fixed fairing access panels (Ref. AMM TASK 57-55-11-000-004):
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 57-26-00-110-059-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 these areas:
  • the forward spigot pins
  • the bolts and the fittings of the applicable flap track beam.
   (2) On the inboard and outboard side:
  • remove and discard the cotter pins (5)
  • remove the collars (4)
  • remove the pins (2).
   (3) Carefully remove the anti-chafe collars (3) from the failsafe pin (1) on the inboard and outboard side.
Subtask 57-26-00-280-053-A
B. Detailed Inspection of Outer-Wing Flap-Track-Beams 2, 3, 4 Forward Spigot Pins, Bolts and Fittings
   (1) Check the gap between the failsafe pin (1) and the catcher bracket:
     (a) Make sure that the failsafe pin (1) does not touch the catcher bracket.
     (b) Make sure that the flap-beam does not move when the anti-chafe collar (3) is put back to its initial position.
NOTE: A failed forward spigot pin is indicated if:
  • the failsafe pin (1) touches the catcher bracket
  • the flap beam moves when the anti-chafe collar (3) is put back to its initial position.
NOTE: If necessary, refer to the SRM 572600 for the correct repair procedure. If the defect is not included in this repair, you must request a procedure from AIRBUS.
Subtask 57-26-00-410-068-A
C. Installation of Items Removed for Inspection
   (1) Apply a thin layer of Polysulfide Sealant-Low Adhesion Brushable - (Material No.06AEA1) to the failsafe pin (1) and the anti-chafe collars (3).
   (2) Install the anti-chafe collars (3) on the failsafe pin (1) on the inboard and outboard side.
   (3) Install the pins (2) and the collars (4) on the inboard and outboard side.
   (4) Safety the pins (2) with a new AIPC 57-51-33-02-010 cotter pin (5) on the inboard and outboard side.
5. Close-up
Subtask 57-26-00-410-060-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 applicable flap track fixed fairing access panels (Ref. AMM TASK 57-55-11-400-001):
Subtask 57-26-00-410-060-B ** 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 applicable flap track fixed fairing access panels (Ref. AMM TASK 57-55-11-400-004):
Subtask 57-26-00-865-061-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/FLP/CTL AND MONG/SYS16CVB07
121VUFLIGHT CONTROLS/FLP/CTL AND/MONG/SYS28CVQ21
Subtask 57-26-00-866-061-A
C. Aircraft Maintenance Configuration
   (1) Retract the flaps (Ref. AMM TASK 27-50-00-866-009).
Subtask 57-26-00-942-060-A
D. Removal of Equipment
   (1) Remove the safety barriers.
   (2) Remove the WARNING NOTICE(S).
   (3) Remove the access platform(s).
   (4) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
[Rev.8 from Aug 2017] 2026.04.01 02:11:30 UTC
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