Loss of the FMGC 2 Bus Feedback

TASK 22-11-00-810-804-A
Loss of the FMGC 2 Bus Feedback

1. Possible Causes

FMGC-2 [1CA2]
wiring of the FMGC OWN A (MON) bus from the FMGC 2 (1CA2) to the first terminal block
wiring of the FMGC MON OUT (MON) bus on the FMGC 2 (1CA2)

2. Job Set-up Information
A. Referenced Information

3. Fault Confirmation
Subtask 22-11-00-710-088-A

A. Test
(1) Do the operational test of the AFS AMM 22-96-00-710-001 and read the result for the FMGC 2.

4. Fault Isolation
Subtask 22-11-00-810-053-A

A. If the test gives the maintenance message AFS: FMGC2/C-M ARINC LINK:

(1) If the fault continues:

do a check of the wiring of the FMGC OWN A (MON) bus from the FMGC 2 (1CA2) to the first terminal block ASM 228602.

(a) If there is no continuity:

(b) If there is continuity:

do a check and repair the wiring of the FMGC MON OUT (MON) bus on the FMGC 2 (1CA2), pin AE/14A, 14B to pin AB/9J, 9K ASM 228602.

Subtask 22-11-00-710-089-A

B. Do the test given in Para. 3.

[Rev.8 from Aug 2018] 2026.04.04 04:25:06 UTC