Removal of the Avionics-Compartment Dome Lights

TASK 33-35-11-000-002-A
Removal of the Avionics-Compartment Dome Lights

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.

ZONE: 121
ZONE: 122
ZONE: 125
ZONE: 126
ZONE: 127
ZONE: 128
FIN: 10LS
FIN: 22LS
FIN: 6LS
FIN: 7LS
FIN: 8LS
FIN: 9LS

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 [10LS] (LT-DOME, AVIONICS COMPT AFT R)
FOR [9LS] (LT-DOME, AVIONICS COMPT AFT L)
No specific	AR	ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
FOR [22LS] (LT-DOME, AVIONICS COMPT LAT L)
No specific	AR	ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
FOR [6LS] (LT-DOME, AVIONICS COMPT FWD R)
FOR [7LS] (LT-DOME, AVIONICS COMPT FWD L)
No specific	AR	ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
FOR [8LS] (LT-DOME, AVIONICS COMPT LAT R)
No specific	AR	ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
121	AVIONICS COMPARTMENT
122	AVIONICS COMPARTMENT
125	LATERAL AVIONIC COMPARTMENT
126	LATERAL AVIONIC COMPARTMENT
127	REAR AVIONIC COMPARTMENT
128	REAR AVIONIC COMPARTMENT
FOR [10LS] (LT-DOME, AVIONICS COMPT AFT R)
FOR [9LS] (LT-DOME, AVIONICS COMPT AFT L)
824
FOR [22LS] (LT-DOME, AVIONICS COMPT LAT L)
812
FOR [6LS] (LT-DOME, AVIONICS COMPT FWD R)
FOR [7LS] (LT-DOME, AVIONICS COMPT FWD L)
811
FOR [8LS] (LT-DOME, AVIONICS COMPT LAT R)
822

C. Referenced Information

REFERENCE	DESIGNATION
Avionics-Compartment Dome Lights

3. Job Set-up
Subtask 33-35-11-865-053-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
122VU	LIGHTING/AVNCS COMPT/DOME	1LS	Z07

Subtask 33-35-11-010-051-A

B. Get access to the avionics compartment.
(1) FOR [6LS] (LT-DOME, AVIONICS COMPT FWD R), [7LS] (LT-DOME, AVIONICS COMPT FWD L)

put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position at zone 121,
open the door 811.

(2) FOR [8LS] (LT-DOME, AVIONICS COMPT LAT R)

put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position at zone 124,
open the door 822.

(3) FOR [9LS] (LT-DOME, AVIONICS COMPT AFT L), [10LS] (LT-DOME, AVIONICS COMPT AFT R)

put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position at zone 128,
open the door 824.

(4) FOR [22LS] (LT-DOME, AVIONICS COMPT LAT L)

put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position at zone 123,
open the door 812.

4. Procedure
Subtask 33-35-11-020-052-B

A. Removal of the bulb
(1) Loosen the three captive screws (7). During this operation, hold the cover (6).
(2) Remove the cover (6).
(3) Remove the bulb (1).

Subtask 33-35-11-020-053-B

B. Removal of the dome light
(1) Loosen the three screws (2) from the housing (3).
During this operation hold the dome light (4).
(2) Disconnect the electrical connectors (5).
(3) Put the CAP - BLANKING on the electrical connectors (5).
(4) Remove the dome light support (4).

[Rev.10 from 2021] 2026.04.01 00:54:33 UTC