Operational Test of the AFS

TASK 22-96-00-710-001-A
Operational Test of the AFS

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.

ZONE: 210

1. Reason for the Job
To do a check of the integrity of the AFS.
2. Job Set-up Information
A. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
210	CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD

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 31-32-00-860-001-A	Procedure to Get Access to the SYSTEM REPORT/TEST Menu Page

3. Job Set-up
Subtask 22-96-00-860-050-A

A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(2) On one MCDU:
(a) Get the SYSTEM REPORT/TEST page (Ref. AMM TASK 31-32-00-860-001).
(b) Push the line key adjacent to the AFS indication.

Subtask 22-96-00-865-050-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	AUTO FLT/FCU/1	9CA1	B05
49VU	AUTO FLT/FAC1/28VDC	5CC1	B04
49VU	AUTO FLT/FAC1/26VAC	14CC1	B03
49VU	AUTO FLT/FMGC/1	10CA1	B02
49VU	AUTO FLT/MCDU/1	11CA1	B01
** ON A/C NOT FOR ALL
49VU	AUTO FLT/FCU/1	9CA1	H11
49VU	AUTO FLT/FAC1/28VDC	5CC1	H10
49VU	AUTO FLT/FAC1/26VAC	14CC1	H09
49VU	AUTO FLT/FMGC/1	10CA1	H08
49VU	AUTO FLT/MCDU/1	11CA1	H07
** ON A/C NOT FOR ALL
121VU	AUTO FLT/RUDDER/ARTF/FEEL	14CA	N17
121VU	AUTO FLT/STICK/LOCK	13CA	N16
** ON A/C ALL
121VU	AUTO FLT/FCU/2	9CA2	M21
121VU	AUTO FLT/RUDDER/TRIM/IND	15CC	M20
121VU	AUTO FLT/FAC2/28VDC	5CC2	M19
121VU	AUTO FLT/FAC2/26VAC	14CC2	M18
121VU	AUTO FLT/FMGC/2	10CA2	M17
121VU	AUTO FLT/MCDU/2	11CA2	N20
** ON A/C NOT FOR ALL
121VU	AUTO FLT/RUDDER/ARTF/FEEL	14CA	N19
121VU	AUTO FLT/STICK/LOCK	13CA	N18

4. Procedure
Subtask 22-96-00-710-050-A

A. Do this test:

ACTION	RESULT
1.On the MCDU, on the AFS MAIN MENU page: Push the line key adjacent to the AFS TEST indication.	On the MCDU: The AFS/TEST REPORT page comes into view. The AFS TEST IS RUNNING indication comes into view.
	On the MCDU, after approximately 40 seconds, at the end of the test: A second page comes into view. The AFS TEST COMPLETED indication comes into view.
2.Read the result of the test for each LRU:
If the LRU is correct.	The PASS indication comes into view.
If the LRU is not correct.	The PRESS LINE KEY indication comes into view.
3.If the LRU is not correct: Push the line key adjacent to the (LRU): PRESS LINE KEY indication.	On the MCDU : The AFS/TEST REPORT page comes into view and shows the failure indication and the computer which found the failure.
Push the line key adjacent to the ISSUED BY XX indication.	The AFS/TEST REPORT TROUBLE SHOOTING DATA page comes into view. This shows the result of the analysis and the snapshot that gives the status of variables when the failure occurred.
Use the results you get.	NOTE: In case of no response from one computer during the test, it is recommended disregard the message inviting to remove the computer, and in case of second fault perform at least another test before removing the unit.
4.On the MCDU, push the line select key adjacent to the RETURN indication until the CFDS menu page comes into view.

5. Close-up
Subtask 22-96-00-862-050-A

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

[Rev.10 from 2021] 2026.04.01 04:13:05 UTC