W DOC AIRBUS | AMM A320F

Removal of the Outboard Flap Tab

TASK 27-54-62-000-005-A
Removal of the Outboard Flap Tab

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.
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: 587
ZONE: 687
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 3M (10 FT)- ADJUSTABLE
No specific
AR
SAFETY BARRIER(S)
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
No specific
1
SUPPORT STRUCTURE - FLAP
No specific
AR
WARNING NOTICE(S)
98D27803000000
1
LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
587
FLAP N° 2
687
FLAP N° 2
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 27-00-00-480-002-A
Installation of the Flap/Slat Control-Lever Locking Tool (98D27803000000)
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 27-54-62-000-002-A
Removal of the Outboard Double-Slotted Flap
TASK 57-55-11-000-005-A
Removal of the Inboard and Outboard-Flap Tab Hinge-Fairings
TASK 57-55-11-010-002-A
To Lower the Flap Track No. 3 & No. 4 Movable Fairings for Access
F Details of the Tab Hinge at the Track 3 Position
F Details of the Tab Hinge at the Track 4 Position
F Details of the Intermediate Tab Hinges at the 3A, 3B and 3C Positions
3. Job Set-up
Subtask 27-54-62-941-059-A ** ON A/C NOT FOR ALL
A. Safety Precautions
WARNING: BEFORE YOU START WORK, YOU MUST PUT ON A SAFETY HARNESS AND ATTACH IT TO THE ACCESS PLATFORM. WITHOUT A SAFETY HARNESS, YOU CAN FALL. THIS CAN KILL YOU OR CAUSE YOU INJURY.
   (1) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
   (2) Put a WARNING NOTICE(S) on panel 400VU to tell persons not to operate the landing gear.
   (3) Put a WARNING NOTICE(S) on panel 114VU to tell persons not to operate the flight controls.
Subtask 27-54-62-860-058-A ** ON A/C NOT FOR ALL
B. Aircraft Maintenance Configuration
WARNING: MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS SURFACES ARE CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.
   (1) Make sure that the flaps are in the fully retracted position (Ref. AMM TASK 27-50-00-866-009).
   (2) Install the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION on the flap/slat control lever (Ref. AMM TASK 27-00-00-480-002).
Subtask 27-54-62-865-064-A ** ON A/C NOT FOR ALL
C. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/FLP/CTL AND MONG/SYS16CVB07
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/FLP/CTL AND MONG/SYS16CVB02
** ON A/C NOT FOR ALL
121VUFLIGHT CONTROLS/FLP/CTL AND/MONG/SYS28CVQ21
Subtask 27-54-62-010-055-A ** ON A/C NOT FOR ALL
D. Get Access
   (1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position below the applicable outboard flap tab.
   (2) Remove the fairings from the tab hinges at the 3A, 3B and 3C positions (Ref. AMM TASK 57-55-11-000-005).
   (3) Lower the flap track No. 3 and No. 4 movable fairings (Ref. AMM TASK 57-55-11-010-002).
4. Procedure
Subtask 27-54-62-020-058-A ** ON A/C NOT FOR ALL
WARNING: MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS SURFACES ARE CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.
A. Removal of the Outboard Flap Tab
F Details of the Tab Hinge at the Track 3 Position ** ON A/C NOT FOR ALL
F Details of the Tab Hinge at the Track 4 Position ** ON A/C NOT FOR ALL
F Details of the Intermediate Tab Hinges at the 3A, 3B and 3C Positions ** ON A/C NOT FOR ALL
NOTE: The procedure to disconnect the tab at the hinge 3A, 3B and the 3C positions is the same.
   (1) Disconnect the rear strut (6):
     (a) Remove and discard the cotter pin (3).
     (b) Remove the nut (2) and the washer (1).
     (c) Remove the bolt (7), the washer (8) and disconnect the rear strut (6).
   (2) Disconnect the forward strut (13):
     (a) Remove and discard the cotter pin (14).
     (b) Remove the nut (15) and the washer (16).
     (c) Remove the bolt (9), the washer (10) and disconnect the forward strut (13).
   (3) Disconnect the tab at the track 4 position:
F Details of the Tab Hinge at the Track 4 Position ** ON A/C NOT FOR ALL
     (a) Remove the nut (9), the washer (10), the bolt (12) and disconnect the bonding strap (11).
     (b) Disconnect the tab drive control-rod (23) from the flap track carriage (Ref. AMM TASK 27-54-62-000-002).
   (4) Disconnect the rear strut (6):
     (a) Remove and discard the cotter pin (1).
     (b) Remove the nut (2) and the washer (3).
     (c) Remove the bolt (8), the washer (7) and disconnect the rear strut (6).
   (5) Disconnect the forward strut (17):
     (a) Remove and discard the cotter pin (18).
     (b) Remove the nut (19) and the washer (20).
     (c) Remove the bolt (13), the washer (14) and disconnect the forward strut (17).
   (6) Disconnect the tab at the track 3 position:
F Details of the Tab Hinge at the Track 3 Position ** ON A/C NOT FOR ALL
     (a) Remove the nut (22), the washer (21), the bolt (20) and disconnect the bonding strap (19).
     (b) Disconnect the tab drive control-rod (13) from the flap track carriage (Ref. AMM TASK 27-54-62-000-002).
   (7) Disconnect the rear strut (15):
     (a) Remove and discard the cotter pin (17).
     (b) Remove the nut (18) and the washer (16).
     (c) Remove the bolt (24), the washer (23) and disconnect the rear strut (15).
   (8) Fully extend the flaps (Ref. AMM TASK 27-50-00-866-008).
   (9) Remove the eccentric bolt (9):
     (a) Remove and discard the cotter pin (12).
     (b) Remove the nut (11) and the washer (10).
WARNING: USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
     (c) Remove and discard the lockwire from the bolt (7).
NOTE: Write down the position of the punch marks so that the eccentric bolt (9) can be installed in the same position.
     (d) Remove the bolt (7) and the washer (6).
     (e) Remove the toothplate (8) and the eccentric bolt (9).
CAUTION: HOLD THE TAB ALONG THE FULL LENGTH OF THE TRAILING EDGE. THIS WILL PREVENT DAMAGE TO THE TAB WHEN YOU MOVE IT.
CAUTION: MAKE SURE THAT THE DISCONNECTED PARTS DO NOT TOUCH AND/OR CATCH THE ADJACENT STRUCTURE WHEN YOU MOVE THE TAB. THIS WILL PREVENT DAMAGE TO THE FLAP.
CAUTION: MAKE SURE THAT THE SUPPORT STRUCTURE IS CLEAN AND DOES NOT HAVE ANY SHARP POINTS.
   (10) Removal of the tab from the flap:
NOTE: The weight of the outboard flap tab is 80kgs (176lbs).
     (a) Carefully and slowly lift the tab from the flap.
     (b) Move the tab and put it onto the SUPPORT STRUCTURE - FLAP.
   (11) Put the flaps back in the fully retracted position (Ref. AMM TASK 27-50-00-866-009).
Subtask 27-54-62-020-061-A ** ON A/C NOT FOR ALL
B. Removal of the Tab Drive Control-Rod
WARNING: MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS SURFACES ARE CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.
   (1) If a replacement tab is to be installed, remove:
   (2) At the track 3 position:
     (a) Remove and discard the cotter pin (4).
     (b) Remove the nut (5) and the washer (3).
     (c) Remove the bolt (1), the washer (2) and remove the tab drive control-rod (13).
   (3) At the track 4 position:
     (a) Remove and discard the cotter pin (24).
     (b) Remove the nut (25) and the washer (26).
     (c) Remove the bolt (21), the washer (22) and remove the tab drive control-rod (23).
[Rev.10 from 2021] 2026.03.31 23:54:59 UTC
"Aviabrain" 2025