W DOC AIRBUS | AMM A320F

General Visual Inspection of Outboard Fixed Leading Edge Structure (EWIS)


TASK 05-25-20-200-002-A
General Visual Inspection of Outboard Fixed Leading Edge Structure (EWIS)


WARNING: DO NOT EXTEND THE SLATS AND FLAPS WHEN THE THRUST REVERSER COWLS ARE DEPLOYED IN THE 45 DEG. POSITION.
WARNING: MAKE SURE THAT THE SAFETY DEVICES AND THE WARNING NOTICES ARE IN POSITION BEFORE YOU START A TASK ON OR NEAR:
  • THE FLIGHT CONTROLS
  • THE FLIGHT CONTROL SURFACES
  • THE LANDING GEAR AND RELATED DOORS
  • COMPONENTS THAT MOVE.
MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.
ZONE: 522
ZONE: 622
1. Reason for the Job
Refer to the MPD TASK: ZL-522-01
GENERAL VISUAL INSPECTION OF OUTBOARD FIXED LEADING EDGE STRUCTURE (EWIS)
NOTE: This is an EWIS (Electrical Wiring Interconnection System) procedure. EWIS is defined in ESPM 20-33-11.
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
1
ACCESS PLATFORM 3M (10 FT)
No specific
AR
SAFETY BARRIER(S)
No specific
AR
WARNING NOTICE(S)
98D27803000000
1
LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION
98L12003001000
AR
HARNESS,SAFETY
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
522
OUTBOARD FIXED L.E STRUCTURE
622
OUTBOARD FIXED L.E STRUCTURE
522AT, 522BT, 522CB, 522EB, 522FB, 522HB, 522JB, 522KB, 522LB, 522NB, 522QB, 522SB, 522UB, 622AT, 622BT, 622CB, 622EB, 622FB, 622HB, 622JB, 622KB, 622LB, 622NB, 622QB, 622SB, 622UB
522AB, 622AB
522XB, 522YB, 622XB, 622YB
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 27-00-00-080-002-A
Removal of the Flap/Slat Control-Lever Locking Tool (98D27803000000)
TASK 27-00-00-480-002-A
Installation of the Flap/Slat Control-Lever Locking Tool (98D27803000000)
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 57-41-37-000-003-A
Removal of the Access Panel
TASK 57-41-37-000-004-A
Removal of the Pressure Relief Panels
TASK 57-41-37-000-006-A
Removal of the Access Panels
TASK 57-41-37-000-012-A
Removal of the Access Panel
TASK 57-41-37-000-803-A
Removal of the Access Panel 522BT(622BT)
TASK 57-41-37-400-002-A
Installation of the Pressure Relief Panels
TASK 57-41-37-400-003-A
Installation of the Access Panel
TASK 57-41-37-400-006-A
Installation of the Access Panels
TASK 57-41-37-400-012-A
Installation of the Access Panel
TASK 57-41-37-400-803-A
Installation of the Access Panel 522BT(622BT)
3. Job Set-up
Subtask 05-25-20-866-052-A
A. Aircraft Maintenance Configuration
   (1) Fully extend the slats (Ref. AMM TASK 27-80-00-866-004).
Subtask 05-25-20-941-050-A
B. Safety Precautions
   (1) Install the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION on the slat/flap control lever (Ref. AMM TASK 27-00-00-480-002).
   (2) Put the WARNING NOTICE(S) in the cockpit to tell persons not to operate the flight controls.
   (3) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
Subtask 05-25-20-010-051-A ** ON A/C NOT FOR ALL
C. Get Access
   (1) Put the ACCESS PLATFORM 3M (10 FT) in position at zone 522 (622).
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.
   (2) Put on and attach the HARNESS, SAFETY before you start work in the work area.
   (3) Remove the access panels:
Subtask 05-25-20-010-051-B ** ON A/C NOT FOR ALL
C. Get Access
   (1) Put theACCESS PLATFORM 3M (10 FT) in position at zone 522 (622).
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.
   (2) Put on and attach the HARNESS, SAFETY before you start work in the work area.
   (3) Remove the access panels:
4. Procedure
Subtask 05-25-20-210-051-A
A. Inspection
   (1) Do a general visual inspection of the structure of the outboard fixed leading-edge (RIB8 to RIB27) (zones 522 and 622).
   (2) Make sure that:
  • There is no damage (corrosion, leaks or cracks) on all the parts of the components and the structure that you can see.
  • All the installations (wiring, piping and ducting) are correctly attached.
5. Close-up
Subtask 05-25-20-410-051-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 access panels:
   (3) Remove the access platform(s).
Subtask 05-25-20-410-051-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 these access panels:
   (3) Remove the access platform(s).
Subtask 05-25-20-866-053-A
B. Aircraft Maintenance Configuration
   (1) Remove the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION from the flap/slat control lever (Ref. AMM TASK 27-00-00-080-002).
   (2) Fully retract the slats (Ref. AMM TASK 27-80-00-866-005).
Subtask 05-25-20-942-050-A
C. Removal of Equipment
   (1) Remove the WARNING NOTICE(S).
   (2) Remove the SAFETY BARRIERS.
   (3) Remove all the fixtures, tools, test and support equipment used during this procedure.
[Rev.10 from 2021] 2026.03.31 22:50:09 UTC