W DOC AIRBUS | AMM A320F

Deactivation of the Wing and Engine Scan Light Lens (Cover)


TASK 33-49-00-040-001-A
Deactivation of the Wing and Engine Scan Light Lens (Cover)


WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
1. Reason for the Job
CDL 33-01
Wing/Engine Scan Light Cover 3LX, 4LX
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
No specific
1
WARNING NOTICE(S)
No specific
AR
WATER - SOAPY SOLUTION
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.05RAB9)
Adhesive Film Tape-- Aluminium Foil -
(Material No.05RQB9)
Adhesive Film Tape-Erosion Protective Polyurethane - 0.36mm Legacy
(Material No.08BBD1)
Non Aqueous Cleaner-- Isopropyl Alcohol -
(Material No.14SBA1)
Textile-Lint free Cotton -
3. Job Set-up
Subtask 33-49-00-941-050-A
A. Safety Precautions
   (1) On the EXT LT section of the overhead panel 25VU:
  • Put a WARNING NOTICE(S) in position to tell persons not to operate the wing and engine scan light.
Subtask 33-49-00-865-051-A
B. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
FOR FIN: 4LX (LTWING & ENG SCAN, R)
122VULIGHTING/EXT LT/WING/AND ENG SCAN/R1LXW03
FOR FIN: 3LX (LTWING & ENG SCAN, L)
122VULIGHTING/EXT LT/WING/AND ENG SCAN/L5LXW02
4. Procedure
Subtask 33-49-00-040-050-A ** ON A/C NOT FOR ALL
A. Deactivation of the Wing and Engine Scan Light Lens (Cover)
   (1) Remove the wing and engine scan light lens.
     (a) Remove the screws from the wing and engine scan light lens.
     (b) Remove the wing and engine scan light lens.
NOTE: It is not necessary to remove the scan light lamp. You must only remove the lens of the scan light.
   (2) Clean the surface around the wing and engine scan light hole with Textile-Lint free Cotton - (Material No.14SBA1) made moist with warm WATER - SOAPY SOLUTION.
   (3) Dry the surface around the wing and engine scan light hole with a clean Textile-Lint free Cotton - (Material No.14SBA1) .
   (4) Apply Adhesive Film Tape-Erosion Protective Polyurethane - 0.36mm Legacy (Material No.05RQB9) or Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) to cover the wing and engine scan light hole.
   (5) Make sure that the tape is correctly installed and has no bubbles, wrinkles or tears in it.
   (6) Let the tape cure for a minimum of 15 minutes at a minimum temperature of 15 deg.C (59.00 deg.F).
   (7) Record in the aircraft technical logbook that the wing and engine scan light lens is deactivated.
     (a) If non-transparent tape is installed, do not close the circuit breakers and go directly to the step to put the aircraft back to its initial configuration.
     (b) If transparent tape is installed, go to the step for closing circuit breakers.
Subtask 33-49-00-040-050-B ** ON A/C NOT FOR ALL
A. Deactivation of the Wing and Engine Scan-Light Lens (Cover)
   (1) Remove the wing and engine scan-light lens.
     (a) Remove the screws from the wing and engine scan-light lens.
     (b) Remove the wing and engine scan-light lens.
NOTE: It is not necessary to remove the LED main-board assy from the scan light. You must only remove the lens of the scan light.
   (2) Clean the surface around the wing and engine scan-light hole with Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) .
   (3) Dry the surface around the wing and engine scan-light hole with a clean Textile-Lint free Cotton - (Material No.14SBA1) .
   (4) Apply Adhesive Film Tape-Erosion Protective Polyurethane - 0.36mm Legacy (Material No.05RQB9) or Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) on the wing and engine scan-light hole.
   (5) Make sure that the tape is correctly installed and has no bubbles, wrinkles or tears on it.
   (6) Let the tape cure for a minimum of 15 minutes at a minimum temperature of 15 deg.C (59.00 deg.F).
   (7) Make a record in the aircraft technical logbook to tell that the wing and engine scan-light lens is deactivated.
     (a) If the tape that you installed is not transparent, do not close the circuit breakers and go directly to the step to put the aircraft back to its initial configuration.
     (b) If the tape that you installed is transparent, make sure that you close the circuits breakers before you put the aircraft back to its initial configuration.
5. Close-up
Subtask 33-49-00-865-052-A
A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
FOR FIN: 4LX (LTWING & ENG SCAN, R)
122VULIGHTING/EXT LT/WING/AND ENG SCAN/R1LXW03
FOR FIN: 3LX (LTWING & ENG SCAN, L)
122VULIGHTING/EXT LT/WING/AND ENG SCAN/L5LXW02
Subtask 33-49-00-942-051-A
B. Put the aircraft back to its initial configuration.
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Remove the WARNING NOTICE(S).
[Rev.10 from 2021] 2026.04.01 04:02:19 UTC