Disagree between COM #amp# MON Aileron Order Signal in the ELAC 2

TASK 27-10-00-810-814-A
Disagree between COM & MON Aileron Order Signal in the ELAC 2

1. Possible Causes

ELAC-2 [2CE2]
SSTU-ROLL CTL, CAPT [4CE1]
SSTU-ROLL CTL, F/O [4CE2]
ANI 1-3 of ELAC-1 and ELAC-2 (COM and MON part)
ANI 1-4 of ELAC-1 and ELAC-2 (COM and MON part)

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
TSM TASK 27-10-00-810-844-A	Disagree between COM & MON Aileron Order Signal in the ELAC 2 (New-Generation Side-Stick Unit)
ASM 279212
AMM 27-92-41-000-002	Removal of the Transducer Units
AMM 27-92-41-400-002	Installation of the Transducer Units
AMM 27-92-41-860-801	Identification of the Side Stick Installed on the Aircraft
AMM 27-93-34-000-001	Removal of the ELAC
AMM 27-93-34-400-001	Installation of the ELAC

3. Fault Confirmation
Subtask 27-10-00-860-104-A ** ON A/C NOT FOR ALL

A. Side Stick Identification
(1) Do the identification of the side stick installed on the aircraft AMM 27-92-41-860-801.
(a) If a new-generation side-stick unit is installed on the aircraft, refer to the trouble shooting procedure (Ref. TSM TASK 27-10-00-810-844).
(b) If the side stick installed on the aircraft is not a new-generation side-stick unit, continue this procedure.

Subtask 27-10-00-860-104-B ** ON A/C NOT FOR ALL

A. Side Stick Identification
(1) If the ELAC2 AIL ORDER DISAGREE maintenance message is shown in flight phase 08 (PH08):
(a) On the overhead panel, on the FLT CTL panel 24VU: release, then push the FLT CTL/ELAC2 pushbutton switch.
(b) Make an entry in the logbook to monitor the aircraft during the subsequent flight.
(c) During the subsequent flight:

If the fault occurs again, continue the trouble shooting procedure.

(2) Do the identification of the side stick installed on the aircraft AMM 27-92-41-860-801.
(a) If a new-generation side-stick unit is installed on the aircraft, refer to the trouble shooting procedure (Ref. TSM TASK 27-10-00-810-844).
(b) If the side stick installed on the aircraft is not a new-generation side-stick unit, continue this procedure.

Subtask 27-10-00-700-070-A

B. Test
(1) Not applicable, you cannot confirm this fault on the ground.

4. Fault Isolation
Subtask 27-10-00-810-063-A

A. If the post flight report gives the maintenance message:
ELAC 2 AIL ORDER DISAGREE
(1) Replace the ELAC-2 [2CE2] AMM 27-93-34-000-001 and AMM 27-93-34-400-001.
(2) During the subsequent flight, if the fault occurs again:

Replace the SSTU-ROLL CTL, CAPT [4CE1] and SSTU-ROLL CTL, F/O [4CE2] AMM 27-92-41-000-002 and AMM 27-92-41-400-002.

(3) During the subsequent flight, if the fault occurs again:

Do a visual inspection for quality of the contacts related to these wirings:
ANI 1-3 of ELAC-1 and ELAC-2 (COM and MON part),
ANI 1-4 of ELAC-1 and ELAC-2 (COM and MON part) ASM 279212.

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