Deactivation of the Lens of the Tail Navigation Light

TASK 33-41-00-040-002-A
Deactivation of the Lens of the Tail Navigation Light

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.

1. Reason for the Job
CDL 33-03
Rear Light Lens 15LA, 16LA
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE
No specific	AR	SAFETY BARRIER(S)
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	AR	WARNING NOTICE(S)

3. Job Set-up
Subtask 33-41-00-941-054-A ** ON A/C NOT FOR ALL

A. Safety Precautions

WARNING: DO NOT TOUCH THE APU UNTIL IT IS SUFFICIENTLY COOL TO PREVENT BURNS WHEN YOU DO THE MAINTENANCE TASK(S).

(1) Put the SAFETY BARRIER(S) in position.
(2) Put a WARNING NOTICE(S) in the cockpit to tell persons not to operate the tail navigation light.
(3) Put a WARNING NOTICE(S) in position to tell persons not to operate the APU.

Subtask 33-41-00-941-052-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Put the ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE at the APU tail-cone exhaust area Zone 317.

Subtask 33-41-00-865-056-A ** ON A/C NOT FOR ALL

C. Open, safety and tag this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	APU/APU/CTL	2KD	L42
121VU	APU/ECB/SPLY	1KD	L41
** ON A/C NOT FOR ALL
122VU	LIGHTING/EXT LT/NAV1/AND LOGO/LT	1LA	T03
** ON A/C NOT FOR ALL
122VU	LIGHTING/EXT LT/NAV2/AND LOGO/LT	2LA	T02
** ON A/C NOT FOR ALL
122VU	LIGHT/EXT LT NAV1/AND LOGO/LT	1LA	T03

4. Procedure
Subtask 33-41-00-040-051-A ** ON A/C NOT FOR ALL

A. Deactivation of the Lens of the Tail Navigation Light
(1) Remove the lens of the tail navigation light.
(a) Remove the four screws from the tail navigation light lens.
(b) Remove the lens from the tail navigation light.

NOTE: It is not necessary to remove the lamp from the tail navigation light. You must only remove the lens of the tail navigation light.

(2) Make an applicable entry in the logbook to indicate that you did the deactivation procedure.

5. Close-up
Subtask 33-41-00-865-057-A ** ON A/C NOT FOR ALL

A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	APU/APU/CTL	2KD	L42
121VU	APU/ECB/SPLY	1KD	L41
** ON A/C NOT FOR ALL
122VU	LIGHTING/EXT LT/NAV1/AND LOGO/LT	1LA	T03
** ON A/C NOT FOR ALL
122VU	LIGHTING/EXT LT/NAV2/AND LOGO/LT	2LA	T02
** ON A/C NOT FOR ALL
122VU	LIGHT/EXT LT NAV1/AND LOGO/LT	1LA	T03

Subtask 33-41-00-942-052-A ** ON A/C NOT FOR ALL

B. Put the aircraft back to the serviceable condition.
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the safety barriers.
(3) Remove the WARNING NOTICE(S).
(4) Remove the access platform(s).
(5) Remove the ground support and maintenance equipment, the special and standard tools and all other items.

[Rev.10 from 2021] 2026.04.01 00:54:52 UTC