W DOC AIRBUS | AMM A320F

Visual Check of Drain Holes for Clogging

TASK 57-59-00-200-002-A
Visual Check of Drain Holes for Clogging

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.
ZONE: 530
ZONE: 630
1. Reason for the Job
Refer to the MPD TASK: 575900-01
VISUAL CHECK OF DRAIN HOLES FOR CLOGGING
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
PROBE DIA LESS THAN 5 MM(0.197IN)NON METALLIC FLEXIBLE
No specific
AR
SAFETY BARRIER(S)
No specific
AR
WARNING NOTICE(S)
98D27803500001
1
LOCKING TOOL ZERO POS
 B. 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
 C. Referenced Information
REFERENCE
DESIGNATION
F Drain Holes in the T/E Devices ** ON A/C NOT FOR ALL
F Drain Holes in the T/E Devices ** ON A/C NOT FOR ALL
3. Job Set-up
Subtask 57-59-00-941-051-A
A. Safety Precautions
   (1) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
   (2) Install the 98D27803500001 LOCKING TOOL ZERO POS on the flap/slat control lever.
   (3) Put the WARNING NOTICE(S) in the cockpit to tell persons not to operate the flaps or the slats.
Subtask 57-59-00-010-051-A
B. Get Access
   (1) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position below the applicable drain holes at zones 533(633), 532(632) or 531(631).
4. Procedure
Subtask 57-59-00-210-051-A ** ON A/C NOT FOR ALL
A. Visual Check of the Drain Holes for Clogging
   (1) Examine the drain holes in the flap track fairing for blockage. If the drain holes are blocked, push the PROBE DIA LESS THAN 5 MM(0.197IN)NON METALLIC FLEXIBLE through the hole to remove the obstruction.
   (2) Find the cause of the blockage.
Subtask 57-59-00-210-051-B ** ON A/C NOT FOR ALL
A. Visual Check of the Drain Holes for Clogging
   (1) Examine the drain holes in the flap track fairing for blockage. If the drain holes are blocked, push the PROBE DIA LESS THAN 5 MM(0.197IN)NON METALLIC FLEXIBLE through the hole to remove the obstruction.
   (2) Find the cause of the blockage.
   (3) Examine the drain holes in the outboard-flap trailing edge, between the rear spar, the L-Profile and the end ribs for blockage. If the drain holes are blocked, push the PROBE DIA LESS THAN 5 MM(0.197IN)NON METALLIC FLEXIBLE through the hole to remove the obstruction.
   (4) Find the cause of the blockage.
5. Close-up
Subtask 57-59-00-410-051-A
A. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Remove the access platform(s).
Subtask 57-59-00-942-051-A
B. Removal of Equipment
   (1) Remove the WARNING NOTICE(S).
   (2) Remove the SAFETY BARRIERS.
   (3) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
[Rev.10 from 2021] 2026.04.02 06:31:28 UTC
AVIA BRAIN PRODUCTION 2026