Installation of the Avionics-Compartment Dome Lights

TASK 33-35-11-400-002-A
Installation 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
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. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
1	BULB	AIPC 33-35-11-01-060

D. Referenced Information

REFERENCE	DESIGNATION
TASK 33-35-00-720-001-A	Functional Test of the Avionics-Compartment Lighting
Avionics-Compartment Dome Lights
FOR [10LS] (LT-DOME, AVIONICS COMPT AFT R)
FOR [9LS] (LT-DOME, AVIONICS COMPT AFT L)
TASK 52-41-00-410-002-A	Close the Avionics Compartment Doors after Access

3. Job Set-up
Subtask 33-35-11-865-054-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/AVNCS COMPT/DOME	1LS	Z07

Subtask 33-35-11-010-052-A

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

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

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

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

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

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

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

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

4. Procedure
Subtask 33-35-11-420-052-B

A. Installation of the dome light
(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.
(5).
(4) Install a new dome light (4) in its housing (3).
Hold it in this position.
(5) Lock the new dome light (4) with the three screws (2).
(6) Make sure that the electrical connectors (5) are in the correct condition.
(7) Connect the electrical connectors (5).

Subtask 33-35-11-420-053-B

B. Installation of the bulb
(1) Install a new AIPC 33-35-11-01-060 BULB (1).
(2) Put the cover (6) in position on the dome light (4).
Hold it in this position.
(3) Lock the cover (6) with the three captive screws (7).

Subtask 33-35-11-865-055-A

C. 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/AVNCS COMPT/DOME	1LS	Z07

Subtask 33-35-11-720-051-A

D. Functional Test of the Avionics-Compartment Dome Lights
(1) Do the functional test of the avionics-Compartment Lighting (Ref. AMM TASK 33-35-00-720-001).

5. Close-up
Subtask 33-35-11-410-051-A

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the avionics compartment doors
(a) FOR [6LS] (LT-DOME, AVIONICS COMPT FWD R), [7LS] (LT-DOME, AVIONICS COMPT FWD L)
close the door 811,
(b) FOR [8LS] (LT-DOME, AVIONICS COMPT LAT R)
close the door 822,
(c) FOR [9LS] (LT-DOME, AVIONICS COMPT AFT L), [10LS] (LT-DOME, AVIONICS COMPT AFT R)
close the door 824, (Ref. AMM TASK 52-41-00-410-002)
(d) FOR [22LS] (LT-DOME, AVIONICS COMPT LAT L)
812 close the door.
(3) Remove the access platform(s).

[Rev.10 from 2021] 2026.04.01 00:54:35 UTC