Loss of the Reception of the ELAC OPP Bus the FAC 2

TASK 22-66-00-810-849-A
Loss of the Reception of the ELAC OPP Bus the FAC 2

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 279231

3. Fault Confirmation
Subtask 22-66-00-865-066-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
49VU	FLIGHT CONTROLS/ELAC1/NORM/SPLY	15CE1	B11

Subtask 22-66-00-710-146-A

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

4. Fault Isolation
Subtask 22-66-00-810-105-B

A. If the test gives the maintenance message AFS: ELAC1/BUS WIRG/FAC2:

do a check and repair the:
. wiring between terminal block 1846VT6 pin D and terminal block 1842VT67 pin K
. wiring between terminal block 1846VT6 pin U and terminal block 1842VT67 pin C
AWM 279231.

Subtask 22-66-00-710-147-A

B. Do the test given in Para. 3.

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