Removal of the MLG Dome Light (HELLA)

TASK 33-37-11-000-001-A
Removal of the MLG Dome Light (HELLA)

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 (HELLA).

FIN: 10LL ** ON A/C NOT FOR ALL
FIN: 7LL ** ON A/C NOT FOR ALL
FIN: 8LL ** ON A/C NOT FOR ALL
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
No specific	AR	CAP - BLANKING
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
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. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
FOR [10LL] (MAINTENANCE LIGHT)
196BB
FOR [9LL] (MAINTENANCE LIGHT)
195BB

C. Referenced Information

REFERENCE	DESIGNATION
MLG Dome Light ** ON A/C NOT FOR ALL
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
FOR [8LL] (MAINTENANCE LIGHT)
TASK 32-12-00-010-001-A	Open the Main Gear Doors for Access

3. Job Set-up
Subtask 33-37-11-865-050-A ** ON A/C NOT FOR ALL

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
122VU	LIGHTING/WHL WELL/LTG/DOME	2LL	X08

Subtask 33-37-11-010-050-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Open the applicable access door/panel:
(a) FOR [7LL] (MAINTENANCE LIGHT)

Open the left MLG door 734 (Ref. AMM TASK 32-12-00-010-001).
Put the ACCESS PLATFORM 2M (6 FT) in position at zone 147.

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

Open the right MLG door 744 (Ref. AMM TASK 32-12-00-010-001).
Put the ACCESS PLATFORM 2M (6 FT) in position at zone 148.

Open the access panel 195BB.
Put the ACCESS PLATFORM 2M (6 FT) in position at zone 195.

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

Open the access panel 196BB.
Put the ACCESS PLATFORM 2M (6 FT) in position at zone 196.

Subtask 33-37-11-010-050-B ** ON A/C NOT FOR ALL

B. Get Access
(1) Open the applicable access door:
(a) FOR [7LL] (MAINTENANCE LIGHT)

Open the left MLG door 734 (Ref. AMM TASK 32-12-00-010-001).
Put the ACCESS PLATFORM 2M (6 FT) in position at zone 147.

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

Open the right MLG door 744 (Ref. AMM TASK 32-12-00-010-001).
Put the ACCESS PLATFORM 2M (6 FT) in position at zone 148.

4. Procedure
Subtask 33-37-11-020-050-A ** ON A/C NOT FOR ALL

A. Removal of the MLG Dome Light
(1) Find the MLG dome light.
(2) Support the dome light (1).
(3) Remove the screws (2) and the washers (3).
(4) Remove the nuts (4) and the washers (5).
(5) Remove the electrical connectors (6).
(6) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(7) Remove the dome light (1).

[Rev.10 from 2021] 2026.04.01 00:54:40 UTC