Difference between the Target Speeds of the FMS1 and FMS2

TASK 22-83-00-810-900-A
Difference between the Target Speeds of the FMS1 and FMS2

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
TSM TASK 34-11-00-810-865-A	Different Total Air Temperature on the ADIRUs
AMM 22-96-00-710-001	Operational Test of the AFS

3. Fault Confirmation
Subtask 22-83-00-710-198-A

A. Not applicable.

4. Fault Isolation
Subtask 22-83-00-865-109-A

A. Table of the circuit breakers used in this procedure:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
49VU	AUTO FLT/FMGC/1	10CA1	B02
121VU	AUTO FLT/FMGC/2	10CA2	M17

Subtask 22-83-00-810-191-A

B. If the message is shown on the scratchpad:

Do the operational test of the AFS AMM 22-96-00-710-001.

(1) If the test gives a PRESS LINE KEY indication opposite the name of one or more than one LRU(s):

Do the troubleshooting related to the maintenance message.

(2) If the fault continues:

Do a C/B reset (10CA1 and 10CA2) of the two FMGCs.

(a) If the message goes out of view, no maintenance action is necessary.
(b) If the fault continues:

Do the trouble shooting related to the Different Total Air Temperature on the ADIRUs (Ref. TSM TASK 34-11-00-810-865).

Subtask 22-83-00-710-199-A

C. Not applicable.

[Rev.8 from Aug 2018] 2026.04.04 04:25:34 UTC