Loss of the Left Blue Aileron Position Transducer Signal for the ELAC 1

TASK 27-10-00-810-805-A
Loss of the Left Blue Aileron Position Transducer Signal for the ELAC 1

1. Possible Causes

ELAC-1 [2CE1]
wiring of the ANI 2-5, POS SV L AIL signal from the ELAC 1 (2CE1) to the first terminal block

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
ASM 279302
AMM 27-93-34-000-001	Removal of the ELAC
AMM 27-93-34-400-001	Installation of the ELAC
AMM 27-96-00-710-020	Operational Test of the Side Stick Assembly (Activation for the BITE Test)
AMM 27-96-00-740-001	BITE Test of the EFCS (Ground Scanning)

3. Fault Confirmation
Subtask 27-10-00-700-057-A

A. Test
(1) Do the operational test of the side stick assembly (activation for the BITE test) AMM 27-96-00-710-020.
(2) Do the BITE test of the EFCS (Ground Scanning) AMM 27-96-00-740-001.

4. Fault Isolation
Subtask 27-10-00-810-054-A

A. If the test gives the maintenance message:
ELAC1 COM OR WIRING FROM L B AIL POS XDCR 33CE3
or
ELAC1 MON OR WIRING FROM L B AIL POS XDCR 33CE3

replace the ELAC-1 [2CE1] , AMM 27-93-34-000-001 and AMM 27-93-34-400-001.

(1) If the fault continues:
(a) do a check and repair the wiring of the ANI 2-5, POS SV L AIL signal from the ELAC 1 (2CE1) to the first terminal block, COM or MON part as shown in the maintenance message ASM 279302.

Subtask 27-10-00-700-058-A

B. Do the test given in Para. 3.

[Rev.8 from Aug 2018] 2026.04.04 04:27:26 UTC