DOC AIRBUS | TSM A320FLoss of the Right Aileron Changeover Signal for the ELAC 1
TASK 27-10-00-810-825-A
Loss of the Right Aileron Changeover Signal for the ELAC 1
1. Possible Causes
A. Referenced Information
3. Fault Confirmation
Subtask 27-10-00-740-058-A ** ON A/C NOT FOR ALL
Subtask 27-10-00-810-074-A ** ON A/C NOT FOR ALL
[Rev.8 from Aug 2018]
2026.04.04 04:27:28 UTC
Loss of the Right Aileron Changeover Signal for the ELAC 1
1. Possible Causes
- ELAC-1 [2CE1]
wiring between the COM part and the MON part of the ELAC 1, from DS O3 (COM) to DSI 34 (MON) and from DS O3 (MON) to DSI 34 (COM)
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| ASM 279236 | |
| 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) |
Subtask 27-10-00-740-058-A ** ON A/C NOT FOR ALL
A. Test
Not applicable, you cannot confirm this fault on the ground.
Subtask 27-10-00-740-058-B ** ON A/C NOT FOR ALL Not applicable, you cannot confirm this fault on the ground.
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(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.
Subtask 27-10-00-810-074-A ** ON A/C NOT FOR ALL
A. Replace the ELAC-1 [2CE1] , AMM 27-93-34-000-001 and AMM 27-93-34-400-001.
(1) On the panel 23VU, release and push the FLT CTL/ELAC 1 pushbutton switch.
(2) On the EWD, if the F/CTL AIL SERVO FAULT warning stays in view:
Subtask 27-10-00-810-074-B ** ON A/C NOT FOR ALL (1) On the panel 23VU, release and push the FLT CTL/ELAC 1 pushbutton switch.
(2) On the EWD, if the F/CTL AIL SERVO FAULT warning stays in view:
- do a check and repair the
wiring between the COM part and the MON part of the ELAC 1, from DS O3 (COM) to DSI 34 (MON) and from DS O3 (MON) to DSI 34 (COM) , ASM 279236.
A. If the test confirms the fault:
(2) On the EWD, if the F/CTL AIL SERVO FAULT warning stays in view:
Subtask 27-10-00-740-059-A ** ON A/C NOT FOR ALL - Replace the ELAC-1 [2CE1] , AMM 27-93-34-000-001 and AMM 27-93-34-400-001.
(2) On the EWD, if the F/CTL AIL SERVO FAULT warning stays in view:
- do a check and repair the
wiring between the COM part and the MON part of the ELAC 1, from DS O3 (COM) to DSI 34 (MON) and from DS O3 (MON) to DSI 34 (COM) , ASM 279236.
B. Do the test given in Para. 3.