Operational Test of the Galley Supply

TASK 24-56-00-710-001-A
Operational Test of the Galley Supply

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. Reason for the Job
Self explanatory
2. Job Set-up Information
A. 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)

3. Job Set-up
Subtask 24-56-00-860-050-A

A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(2) Make sure that the pushbutton switch GALLEY 2XA, on the overhead panel 35VU is in the OFF position (a white indication light shows OFF).

Subtask 24-56-00-865-052-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
122VU	ELEC/GALLEY/CNTOR	7MC	S28
122VU	ELEC/GALY & CAB/CTL	1XA	S26
** ON A/C NOT FOR ALL
123VU	AFT GALLEY/FEEDER A	3MC	AF04
** ON A/C ALL
123VU	FWD GALLEY/FEEDER F	16MC	AC10
123VU	AFT GALLEY/FEEDER E	14MC	AF09
** ON A/C NOT FOR ALL
123VU	AFT GALLEY/FEEDER B	12MC	AD09
123VU	FWD GALLEY/FEEDER D	2MC	AD04
123VU	FWD GALLEY/FEEDER C	1MC	AE10
** ON A/C NOT FOR ALL
123VU	FWD GALLEY/FEEDER D	2MC	AE02

4. Procedure
Subtask 24-56-00-710-050-A

A. Operational test of the Galley Supply

ACTION	RESULT
1.On the overhead panel 35VU: push the GALLEY pushbutton switch 2XA.	On the overhead panel 35VU: the white indicator light goes off.
push and release the GALLEY pushbutton switch 2XA again.	the white indicator light comes on.
	In the FWD and AFT galleys: no galley equipment operates.

5. Close-up
Subtask 24-56-00-860-051-A

A. Put the aircraft back to the serviceable condition.
(1) In all galleys, make sure that the equipment is off.
(2) Make sure that the pushbutton switch GALLEY 2XA, on the overhead panel 35VU is in the OFF position (a white indication light shows OFF).
(3) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).

[Rev.10 from 2021] 2026.04.01 05:53:20 UTC