Installation of the Lamp of the Service Area Light

TASK 33-31-11-400-003-A
Installation of the Lamp of the Service Area Light

FIN: 6LJ ** ON A/C NOT FOR ALL

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.06LCG9)	Non Hardening Jointing Putty-Medium Temp. Area - -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
315AL, 316AR

D. Referenced Information

REFERENCE	DESIGNATION
TASK 33-31-00-710-001-A	Operational Test of the Service Area Lighting
Service Area Light

3. Job Set-up
Subtask 33-31-11-865-071-A ** ON A/C NOT FOR ALL

A. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	APU/APU/CTL	2KD	L42
121VU	APU/ECB/SPLY	1KD	L41
2001VU	LIGHT-APU	2LJ	E08

Subtask 33-31-11-860-052-A ** ON A/C NOT FOR ALL

B. Aircraft Maintenance Configuration
(1) Make sure that the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE is in position below the APU doors.
(2) Make sure that the APU access doors are open.

WARNING: LOCK THE MECHANISM OF THE ACCESS DOOR 316AR WITH THE PIP PIN WHEN YOU OPEN THE ACCESS DOOR. THIS WILL PREVENT INJURY.

(a) Make sure that the APU doors 315AL and 316AR are open.
(3) Make sure that the switch 11LJ at zone 315 is set to the OFF position.

4. Procedure
Subtask 33-31-11-910-052-A ** ON A/C NOT FOR ALL

A. Preparation for Installation
(1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Apply the Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the captive screws (3).

Subtask 33-31-11-420-053-A ** ON A/C NOT FOR ALL

WARNING: MAKE SURE THAT ALL THE CIRCUITS IN MAINTENANCE ARE ISOLATED BEFORE YOU SUPPLY ELECTRICAL POWER TO THE AIRCRAFT. UNWANTED ELECTRICAL POWER CAN BE DANGEROUS.

CAUTION: DO NOT TOUCH THE LAMP GLASS WITH YOUR FINGERS. THE OILS FROM YOUR SKIN WILL QUICKLY CAUSE DETERIORATION OF THE LAMP. IF YOU ACCIDENTALLY TOUCH THE LAMP GLASS, CLEAN IT WITH A LINT-FREE CLOTH.

B. Installation of the Lamp of the Service Area Light

NOTE: When it is necessary to replace one lamp, it is recommended that you replace the second lamp at the same time.

(1) Put the lamp (5) in the light assembly (2) and turn it clockwise to lock the lamp in position.
(2) Correctly align the cover assembly (4) with the screw holes of the housing (1).
(3) Install the captive screws (3) and tighten.

Subtask 33-31-11-865-076-A ** ON A/C NOT FOR ALL

C. 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
2001VU	LIGHT-APU	2LJ	E08

Subtask 33-31-11-710-052-A ** ON A/C NOT FOR ALL

D. Do the operational test of the service area light (Ref. AMM TASK 33-31-00-710-001).

5. Close-up
Subtask 33-31-11-410-054-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) Close the APU access doors 315AL 316AR.
(3) Remove the access platform(s).

[Rev.10 from 2021] 2026.04.01 00:54:17 UTC