Loss of the Reception of the ELAC OPP Bus by the FAC 1

TASK 22-66-00-810-847-A
Loss of the Reception of the ELAC OPP Bus by the FAC 1

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 22-91-00-710-001	Ground Scanning of the AFS
AWM 279228

3. Fault Confirmation
Subtask 22-66-00-865-064-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
121VU	FLIGHT CONTROLS/ELAC2/NORM/SPLY	15CE2	R20

Subtask 22-66-00-710-142-A

B. Test
(1) Do the Ground Scanning of the AFS AMM 22-91-00-710-001.

4. Fault Isolation
Subtask 22-66-00-810-103-B

A. If the test gives the maintenance message AFS: ELAC2/BUS WIRG/FAC1:

do a check and repair the:
. wiring between terminal block 1846VT6 pin V and terminal block 1833VT10 pin T
. wiring between terminal block 1846VT7 pin V and terminal block 1833VT10 pin K
AWM 279228.

Subtask 22-66-00-710-143-A

B. Do the test given in Para. 3.

[Rev.8 from Aug 2018] 2026.04.04 04:25:19 UTC