Operational test of the FWD and AFT Cargo-Compartment Lighting

TASK 33-34-00-710-001-A
Operational test of the FWD and AFT Cargo-Compartment Lighting

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.

FIN: 11LU
FIN: 13LU
FIN: 14LU ** ON A/C NOT FOR ALL
FIN: 15LU
FIN: 16LU
FIN: 17LU
FIN: 20LU ** ON A/C NOT FOR ALL
FIN: 21LU ** ON A/C NOT FOR ALL
FIN: 22LU ** ON A/C NOT FOR ALL

1. Reason for the Job
To make sure that the FWD, AFT and bulk cargo-compartment lighting operates correctly.
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. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
825, 826
827

C. Referenced Information

REFERENCE	DESIGNATION
TASK 24-41-00-861-002-A	Energize the Aircraft Electrical Circuits from the External Power
TASK 24-41-00-861-002-A-01	Energize the Aircraft Electrical Circuits from the APU
TASK 24-41-00-861-002-A-02	Energize the Aircraft Electrical Circuits from Engine 1(2)
TASK 24-41-00-862-002-A	De-energize the Aircraft Electrical Circuits Supplied from the External Power
TASK 24-41-00-862-002-A-01	De-energize the Aircraft Electrical Circuits Supplied from the APU
TASK 24-41-00-862-002-A-02	De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)
TASK 52-30-00-860-001-A	Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
TASK 52-30-00-860-002-A	Close the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
TASK 52-30-00-860-006-A	Open the Bulk Cargo-Compartment Door
TASK 52-30-00-860-008-A	Close the Bulk Cargo-Compartment Door

3. Job Set-up
Subtask 33-34-00-861-050-A

A. Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).

Subtask 33-34-00-865-052-A

B. Make sure that this(these) circuit breaker(s) is(are) closed:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
2000VU	LIGHT-LDG-AREA	3LU	J08
2000VU	LIGHT-CARGO COMPT-AFT	2LU	J07
2000VU	LIGHT-CARGO COMPT-FWD	1LU	J06

Subtask 33-34-00-010-050-A ** ON A/C NOT FOR ALL

C. Get Access
(1) For the FWD Cargo Compartment:
(a) Open the FWD cargo-compartment door 825 (Ref. AMM TASK 52-30-00-860-001).
(b) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position at the FWD cargo-compartment door 825.
(2) For the AFT Cargo Compartment and the Bulk Cargo Compartment:
(a) Open the AFT cargo-compartment door 826 (Ref. AMM TASK 52-30-00-860-001).
(b) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position at the AFT cargo-compartment door 826.

Subtask 33-34-00-010-050-B ** ON A/C NOT FOR ALL

C. Get Access
(1) For the FWD Cargo Compartment:
(a) Open the FWD cargo-compartment door 825 (Ref. AMM TASK 52-30-00-860-001).
(b) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position at the FWD cargo-compartment door 825.
(2) For the AFT Cargo Compartment:
(a) Open the AFT cargo-compartment door 826 (Ref. AMM TASK 52-30-00-860-001).
(b) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position at the AFT cargo-compartment door 826.
(3) For the Bulk Cargo Compartment:
(a) Open the bulk cargo-compartment door 827 (Ref. AMM TASK 52-30-00-860-006).
(b) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position at the bulk cargo-compartment door 827.

4. Procedure
Subtask 33-34-00-710-050-A ** ON A/C NOT FOR ALL

A. Test of the Lighting in the FWD Cargo-Compartment
(1) Do this test.

ACTION	RESULT
1.In the FWD cargo compartment: set the switch 6LU to the ON position.	In the FWD cargo compartment: the ceiling lights 13LU and 14LU come on.
set the switch 6LU to the OFF position.	the ceiling lights 13LU and 14LU go off.
set the switch 7LU to the ON position.	the forward loading-area light 11LU comes on.
set the switch 7LU to the OFF position.	the forward loading-area light 11LU goes off.

Subtask 33-34-00-710-051-B ** ON A/C NOT FOR ALL

B. Test of the Lighting in the AFT and the Bulk Cargo-Compartment
(1) Do this test.

ACTION	RESULT
1.In the AFT cargo-compartment: set the switch 8LU to the ON position.	In the AFT cargo-compartment: the ceiling lights 15LU and 16LU come on.
set the switch 8LU to the OFF position.	the ceiling lights 15LU and 16LU go off.
set the switch 9LU to the ON position.	the AFT loading-area light 12LU comes on.
set the switch 9LU to the OFF position.	the AFT loading-area light 12LU goes off.
2.In the bulk cargo-compartment: set the switch 18LU to the ON position.	In the bulk cargo-compartment: the ceiling light 17LU comes on.
set the switch 18LU to the OFF position.	the ceiling light 17LU goes off.

Subtask 33-34-00-710-050-B ** ON A/C NOT FOR ALL

C. Test of the Lighting in the FWD Cargo-Compartment
(1) Do this test.

ACTION	RESULT
1.In the FWD cargo compartment: set the switch 6LU to the ON position.	In the FWD cargo compartment: the ceiling lights 13LU, 14LU, 20LU and 21LU come on.
set the switch 6LU to the OFF position.	the ceiling lights 13LU, 14LU, 20LU and 21LU go off.
set the switch 7LU to the ON position.	the forward loading-area light 11LU comes on.
set the switch 7LU to the OFF position.	the forward loading-area light 11LU goes off.

Subtask 33-34-00-710-051-C ** ON A/C NOT FOR ALL

D. Test of the Lighting in the AFT and the Bulk Cargo Compartment
(1) Do this test.

ACTION	RESULT
1.In the AFT cargo compartment: Set switch 8LU to the ON position.	In the AFT cargo compartment: Ceiling lights 15LU, 16LU and 22LU come on.
Set switch 8LU to the OFF position.	Ceiling lights 15LU, 16LU and 22LU go off.
Set switch 9LU to the ON position.	AFT loading-area light 12LU comes on.
Set switch 9LU to the OFF position.	AFT loading-area light 12LU goes off.
2.In the bulk cargo compartment: Set switch 18LU to the ON position.	In the bulk cargo compartment: Ceiling light 17LU comes on.
Set switch 18LU to the OFF position.	Ceiling light 17LU goes off.

Subtask 33-34-00-710-050-C ** ON A/C NOT FOR ALL

E. Test of the Lighting in the FWD Cargo-Compartment
(1) Do this test.

ACTION	RESULT
1.In the FWD cargo compartment: set the switch 6LU to the ON position.	In the FWD cargo compartment: the ceiling light 13LU comes on.
set the switch 6LU to the OFF position.	the ceiling light 13LU goes off.
set the switch 7LU to the ON position.	the forward loading-area light 11LU comes on.
set the switch 7LU to the OFF position.	the forward loading-area light 11LU goes off.

Subtask 33-34-00-710-051-A ** ON A/C NOT FOR ALL

F. Test of the Lighting in the AFT and the Bulk Cargo-Compartment
(1) Do this test.

ACTION	RESULT
1.In the AFT cargo-compartment: set the switch 8LU to the ON position.	In the AFT cargo-compartment: the ceiling lights 15LU and 16LU come on.
	In the bulk cargo-compartment: the ceiling light 17LU comes on.
set the switch 8LU to the OFF position.	the ceiling light 17LU goes off.
	In the AFT cargo-compartment: the ceiling lights 15LU and 16LU go off.
set the switch 9LU to the ON position.	the AFT loading-area light 12LU comes on.
set the switch 9LU to the OFF position.	the AFT loading-area light 12LU goes off.

5. Close-up
Subtask 33-34-00-410-050-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Remove the access platform(s).
(2) For the FWD Cargo Compartment:
(a) Close the FWD cargo-compartment door 825 (Ref. AMM TASK 52-30-00-860-002).
(3) For the AFT Cargo Compartment and the Bulk Cargo Compartment:
(a) Close the AFT cargo-compartment door 826 (Ref. AMM TASK 52-30-00-860-002).

Subtask 33-34-00-410-050-B ** ON A/C NOT FOR ALL

A. Close Access
(1) Remove the access platform(s).
(2) For the FWD Cargo Compartment:
(a) Close the FWD cargo-compartment door 825 (Ref. AMM TASK 52-30-00-860-002).
(3) For the AFT Cargo Compartment:
(a) Close the AFT cargo-compartment door 826 (Ref. AMM TASK 52-30-00-860-002).
(4) For the Bulk Cargo Compartment:
(a) Close the bulk cargo-compartment door 827 (Ref. AMM TASK 52-30-00-860-008).

Subtask 33-34-00-862-050-A

B. De-energize the aircraft electrical circuit (Ref. AMM TASK 24-41-00-862-002).

[Rev.10 from 2021] 2026.04.01 12:33:15 UTC