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)
CDL 33-01
Wing/Engine Scan Light Cover 3LX, 4LX
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
3. Job Set-up
Subtask 33-49-00-941-050-A
Subtask 33-49-00-040-050-A ** ON A/C NOT FOR ALL
Subtask 33-49-00-865-052-A
[Rev.10 from 2021]
2026.04.01 00:56:51 UTC
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 JobCDL 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 |
| 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 - |
Subtask 33-49-00-941-050-A
A. Safety Precautions
(1) On the EXT LT section of the overhead panel 25VU:
Subtask 33-49-00-865-051-A (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.
B. Open, safety and tag this(these) circuit breaker(s):
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| FOR FIN: 4LX (LTWING & ENG SCAN, R) | |||
| 122VU | LIGHTING/EXT LT/WING/AND ENG SCAN/R | 1LX | W03 |
| FOR FIN: 3LX (LTWING & ENG SCAN, L) | |||
| 122VU | LIGHTING/EXT LT/WING/AND ENG SCAN/L | 5LX | W02 |
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.
(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 (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.
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.
(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(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.
Subtask 33-49-00-865-052-A
A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 33-49-00-942-051-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| FOR FIN: 4LX (LTWING & ENG SCAN, R) | |||
| 122VU | LIGHTING/EXT LT/WING/AND ENG SCAN/R | 1LX | W03 |
| FOR FIN: 3LX (LTWING & ENG SCAN, L) | |||
| 122VU | LIGHTING/EXT LT/WING/AND ENG SCAN/L | 5LX | W02 |
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).
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the WARNING NOTICE(S).