Ground Scanning of the AFS

TASK 22-91-00-710-001-A
Ground Scanning 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
Self explanatory
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 29-10-00-863-003-A	Pressurize the Blue Hydraulic System with a Hydraulic Ground Power-Cart
TASK 29-10-00-863-003-A-01	Pressurize the Blue Hydraulic System with the Blue Electric Pump
TASK 29-10-00-864-003-A	Depressurize the Blue Hydraulic System
TASK 29-23-00-863-001-A	Pressurize the Green Hydraulic System from the Yellow Hydraulic System through the PTU with the Electric Pump
TASK 29-23-00-864-001-A	Depressurize the Green and Yellow Hydraulic Systems after Operation of the PTU
TASK 31-32-00-860-001-A	Procedure to Get Access to the SYSTEM REPORT/TEST Menu Page
TASK 31-60-00-860-001-A	EIS Start Procedure
TASK 31-60-00-860-002-A	EIS Stop Procedure
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 34-10-00-860-005-A	ADIRS Stop Procedure

3. Job Set-up
Subtask 22-91-00-860-050-A

A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(2) Align the three Air Data/Inertial Reference System (ADIRS)
(Ref. AMM TASK 34-10-00-860-004).
(3) Pressurize the aircraft hydraulic systems
(Ref. AMM TASK 29-23-00-863-001) (Ref. AMM TASK 29-10-00-863-003).
(4) Do the Electronic Instrument System (EIS) start procedure (Ref. AMM TASK 31-60-00-860-001).
(5) On one of the Multipurpose Control & Display Units (MCDU):
(a) Get access to the SYSTEM REPORT/TEST page
(Ref. AMM TASK 31-32-00-860-001).
(b) Push the line select key adjacent to the Automatic Flight System (AFS) indication.

Subtask 22-91-00-865-050-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 22-91-00-710-050-A

A. Do this test:

ACTION	RESULT
1.On the MCDU, get the AFS MAIN MENU page: Push the line select key adjacent to the GROUND SCAN indication.	On the MCDU : The "AFS/GROUND SCAN" page comes into view.
Push the line select key adjacent to the PRESENT FAILURES SCAN indication.	On the "AFS/GROUND SCAN" page, "SCAN IS RUNNING" and "WAIT 40 SECONDS" indications come into view. After approximately 40 seconds, the "AFS/GROUND REPORT" page comes into view. Read the result of the test.
2.If the LRU is correct.	The END indication comes into view.
3.If the LRU is not correct: Push the line select key adjacent to the ISSUED BY XXX indication.	The "AFS/GROUND 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 to disregard the message inviting to remove the computer in case of second failure and perform at least another trial before removing the unit. NOTE: Disregard the AFS: ELAC1 (issued by FAC1) and AFS: ELAC2 (issued by FAC2) messages due to hydraulic pressure off.
4.Push the line select key adjacent to the RETURN indication.	An "AFS/GROUND REPORT" page comes into view.
If the result is not correct, do the step 3 again.
If the END indication comes into view, push the line select key adjacent to the RETURN indication.	The "AFS/GROUND SCAN" page comes into view.

5. Close-up
Subtask 22-91-00-860-051-A

A. Aircraft Maintenance Configuration
(1) On the MCDU, push the line select key adjacent to the RETURN indication until the CFDS menu page comes into view.
(2) Do the EIS stop procedure (Ref. AMM TASK 31-60-00-860-002).
(3) Depressurize the aircraft hydraulic systems
(Ref. AMM TASK 29-23-00-864-001) (Ref. AMM TASK 29-10-00-864-003).
(4) Do the ADIRS stop procedure
(Ref. AMM TASK 34-10-00-860-005).
(5) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).

[Rev.10 from 2021] 2026.03.31 23:11:26 UTC