W DOC AIRBUS | TSM A320F

Loss of the Right Green Aileron Position Transducer Signal for the ELAC 1


TASK 27-10-00-810-820-A
Loss of the Right Green Aileron Position Transducer Signal for the ELAC 1


1. Possible Causes
  • ELAC-1 [2CE1]
  • wiring of the ANI 2-4, POS SV R 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 27-10-00-700-079-A ** ON A/C NOT FOR ALL
A. Test
Not applicable, you cannot confirm this fault on the ground.
Subtask 27-10-00-700-079-B ** ON A/C NOT FOR ALL
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 27-10-00-810-069-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:
  • do a check and repair the wiring of the ANI 2-4, POS SV R 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 27-10-00-810-069-B ** ON A/C NOT FOR ALL
A. If the test confirms the fault:
   (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 of the ANI 2-4, POS SV R 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 27-10-00-700-080-A ** ON A/C NOT FOR ALL
B. Do the test given in Para. 3.
[Rev.8 from Aug 2018] 2026.04.04 04:27:27 UTC