MOBILE COM Switch Test

TASK 46-41-00-720-818-A
MOBILE COM Switch Test

ZONE: 200

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
200	UPPER HALF FUSELAGE

B. 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 46-41-00-610-811-A	Get access to the ALNA Graphical User Interface (GUI) - Maintenance Access - with Multi-Purpose Flight-Attendant Panel (MP-FAP)

3. Job Set-up
Subtask 46-41-00-861-155-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(2) Access the ALNA Graphical User Interface - Maintenance Access - via Multi-Purpose Flight-Attendant Panel (MP-FAP) (Ref. AMM TASK 46-41-00-610-811).

Subtask 46-41-00-865-166-A ** ON A/C NOT FOR ALL

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
2000VU	WAP	27MH	D07
2000VU	CINS-HESU	21RF	E02

4. Procedure
Subtask 46-41-00-720-072-A ** ON A/C NOT FOR ALL

A. MOBILE COM Switch test

NOTE: To do the procedure, a MP-FAP with ALNA GUI is needed.

ACTION	RESULT
In the cockpit, on overhead panel 45VU:	In the cockpit, on overhead panel 45VU:
1.Make sure that the MOBILE COM pushbutton switch is pushed (the OFF legend is off).
In the cabin, at the MP-FAP:	In the cabin, on the MP-FAP display:
2.Touch the "SYSTEM TEST" icon.	The "SYSTEM TEST" page shows.
3.Select the "Connectivity External Wiring" tab.	The "Connectivity External Wiring" tab shows.
4.Select the "Discrete test" and touch the "Start test" icon.	The "Discrete Test Page" shows (do the step 1).
5.Make sure that the status (Physical State) for the MOBILE COM is "GROUND".
In the cockpit, on overhead panel 45VU:	In the cockpit, on overhead panel 45VU:
6.Push the MOBILE COM pushbutton switch.	The MOBILE COM pushbutton switch is released (the OFF legend is on).
In the cabin, at the MP-FAP	In the cabin, on the MP-FAP display:
7.Make sure that the status (Physical State) for the MOBILE COM is "OPEN".	The test state becomes green.
8.Touch the "NEXT" icon.	The test result page shows with the MOBILE COM test result.
9.Make sure that the result of the test is satisfactory.
10.Touch the "NEXT" icon.	The finish test page shows.
11.Touch the "CLOSE" icon.

5. Close-up
Subtask 46-41-00-862-154-A ** ON A/C NOT FOR ALL

A. Put the aircraft back to its initial configuration.
(1) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(2) Touch the "LOGOFF" icon.

NOTE: It is not necessary to log off, if you continue with a different test procedure.

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

[Rev.10 from 2021] 2026.04.02 06:26:15 UTC