System Monitoring Condition Check

TASK 46-41-00-710-804-A
System Monitoring Condition Check

ZONE: 200

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	LAPTOP - FOR GSM ALNA MAINTENANCE

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
200	UPPER HALF FUSELAGE

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 34-10-00-860-004-A	Inertial Reference (IR) Alignment-Procedure
TASK 34-10-00-860-004-A-01	Automatic Inertial Reference (IR) Alignment-Procedure
TASK 34-10-00-860-004-A-02	Inertial Reference (IR) Alignment-Procedure to do a Check of the Links between each Flight Management and Guidance Computer (FMGC) and the three Air Data/Inertial Reference Units (ADIRUs)
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 46-41-00-860-065-C ** 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) Make sure that the Air Data/Inertial Reference-Units (ADIRUs) are ON and aligned (Ref. AMM TASK 34-10-00-860-004).
(3) Make sure that the aircraft is outside the hangar, with line-of-sight to the satellite.
(4) 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 46-41-00-865-079-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 46-41-00-710-053-E ** ON A/C NOT FOR ALL

A. System Monitoring Condition Check

NOTE: You can do this test at the Multi-Purpose Flight-Attendant Panel (MP-FAP) or on the LAPTOP - FOR GSM ALNA MAINTENANCE. The procedures at the MP-FAP and on the maintenance laptop are the same.

NOTE: The table that follows gives the procedure for the MP-FAP.

ACTION	RESULT
In the cabin, at the MP-FAP:	In the cabin, on the MP-FAP display:
1.Touch the "SYSTEM MONITORING" icon.	The "SYSTEM MONITORING" page shows.
2.Select the "OVERVIEW" tab.	Make sure that the Operational State of the HESU and CWLU shows in green.
3.Ignore the Operational State for the "EXTERNAL SYSTEMS" and the "SATELLITE SYSTEM".

5. Close-up
Subtask 46-41-00-860-066-C ** 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 06:26:14 UTC