Loss of the FAC 1 GENERAL Bus

TASK 22-66-00-810-803-A
Loss of the FAC 1 GENERAL Bus

1. Possible Causes

FAC-1 [1CC1]
wiring of the FAC OWN (GENERAL BUS) from the FAC 1 (1CC1) to the first terminal block

2. Job Set-up Information
A. Referenced Information

3. Fault Confirmation
Subtask 22-66-00-710-052-A

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

4. Fault Isolation
Subtask 22-66-00-810-052-A

A. If the test gives the maintenance message AFS: FAC1/C-M ARINC LINK:

(1) If the fault continues:

do a check and repair the wiring of the FAC OWN (GENERAL BUS) from the FAC 1 (1CC1) to the first terminal block, ASM 226901.

Subtask 22-66-00-710-053-A

B. Do the test given in Para. 3.

[Rev.8 from Aug 2018] 2026.04.04 04:25:15 UTC