Installation of the MLG Dome Light (AIRSIGNA)

TASK 33-37-11-400-003-A
Installation of the MLG Dome Light (AIRSIGNA)

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.

NOTE: The procedure is the same for all MLG dome lights (AIRSIGNA).

FIN: 10LL ** ON A/C NOT FOR ALL
FIN: 7LL
FIN: 8LL
FIN: 9LL ** 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
FOR [10LL] (MAINTENANCE LIGHT)
No specific	1	ACCESS PLATFORM 2M (6 FT)
FOR [7LL] (MAINTENANCE LIGHT)
No specific	1	ACCESS PLATFORM 2M (6 FT)
FOR [8LL] (MAINTENANCE LIGHT)
No specific	1	ACCESS PLATFORM 2M (6 FT)
FOR [9LL] (MAINTENANCE LIGHT)
No specific	1	ACCESS PLATFORM 2M (6 FT)

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
FOR [10LL] (MAINTENANCE LIGHT)
196BB
FOR [9LL] (MAINTENANCE LIGHT)
195BB

D. Referenced Information

REFERENCE	DESIGNATION
TASK 33-37-00-710-001-A	Operational Test of the Wheel Well Lighting
MLG Dome Light
MLG Dome Light ** ON A/C NOT FOR ALL
FOR [7LL] (MAINTENANCE LIGHT)
TASK 32-12-00-010-001-A	Open the Main Gear Doors for Access
TASK 32-12-00-410-001-A	Close the Main Gear Doors after Access
FOR [8LL] (MAINTENANCE LIGHT)
TASK 32-12-00-010-001-A	Open the Main Gear Doors for Access
TASK 32-12-00-410-001-A	Close the Main Gear Doors after Access

3. Job Set-up
Subtask 33-37-11-865-057-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
122VU	LIGHTING/WHL WELL/LTG/DOME	2LL	X08

Subtask 33-37-11-860-051-A ** ON A/C NOT FOR ALL

B. Aircraft Maintenance Configuration
(1) Make sure, that the applicable access door/panel is open:
(a) FOR [7LL] (MAINTENANCE LIGHT)

Make sure, that the left MLG door 734 is open (Ref. AMM TASK 32-12-00-010-001).
Make sure, that the ACCESS PLATFORM 2M (6 FT) is in position at zone 147.

(b) FOR [8LL] (MAINTENANCE LIGHT)

Make sure, that the right MLG door 744 is open (Ref. AMM TASK 32-12-00-010-001).
Make sure, that the ACCESS PLATFORM 2M (6 FT) is in position at zone 148.

Make sure, that the access panel 195BB is open.
Make sure, that the ACCESS PLATFORM 2M (6 FT) is in position at zone 195.

(d) FOR [10LL] (MAINTENANCE LIGHT)

Make sure, that the access panel 196BB is open.
Make sure, that the ACCESS PLATFORM 2M (6 FT) is in position at zone 196.

Subtask 33-37-11-860-051-B

B. Aircraft Maintenance Configuration
(1) Make sure, that the applicable access panel is open:
(a) FOR [9LL] (MAINTENANCE LIGHT)

Make sure, that the access panel 195BB is open.
Make sure, that the ACCESS PLATFORM 2M (6 FT) is in position at zone 195.

(b) FOR [10LL] (MAINTENANCE LIGHT)

Make sure, that the access panel 196BB is open.
Make sure, that the ACCESS PLATFORM 2M (6 FT) is in position at zone 196.

4. Procedure
Subtask 33-37-11-420-052-A ** ON A/C NOT FOR ALL

A. Installation of the MLG Dome Light

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.

(1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Remove the CAP-BLANKING from each electrical connector and receptacle.
(4) Make sure that all the electrical connections are clean and in the correct condition.
(5) Hold the MLG dome light (1) at its correct installation position.
(6) Support the MLG dome light (1) and connect the electrical connectors (2) and (3).
(7) Apply the Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the washers (5) and the screws (4).
(8) Install the MLG dome light (1) with the washers (5) and the screws (4).
(9) Tighten the screws (4).

Subtask 33-37-11-865-058-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
122VU	LIGHTING/WHL WELL/LTG/DOME	2LL	X08

Subtask 33-37-11-710-052-A ** ON A/C NOT FOR ALL

C. Do the operational test of the wheel well lights (Ref. AMM TASK 33-37-00-710-001).

5. Close-up
Subtask 33-37-11-410-052-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) Remove the access platform(s).
(3) Close the applicable access door/panel:
(a) FOR [7LL] (MAINTENANCE LIGHT)
Close the left MLG door 734 (Ref. AMM TASK 32-12-00-410-001).
(b) FOR [8LL] (MAINTENANCE LIGHT)
Close the right MLG door 744 (Ref. AMM TASK 32-12-00-410-001).
(c) FOR [9LL] (MAINTENANCE LIGHT)
Close the access panel 195BB.
(d) FOR [10LL] (MAINTENANCE LIGHT)
Close the access panel 196BB.

Subtask 33-37-11-410-052-B

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).
(3) Close the applicable access panel:
(a) FOR [9LL] (MAINTENANCE LIGHT)
Close the access panel 195BB.
(b) FOR [10LL] (MAINTENANCE LIGHT)
Close the access panel 196BB.

[Rev.10 from 2021] 2026.04.01 00:54:46 UTC