Reactivation of the Elevator Aileron Computer
TASK 27-93-00-440-001-A
Reactivation of the Elevator Aileron Computer
1. Reason for the Job
MMEL 27-93-01A
ELAC 1
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 27-93-00-861-052-A Subtask 27-93-00-860-051-A
Subtask 27-93-00-440-050-A
Subtask 27-93-00-410-054-A
[Rev.10 from 2021]
2026.03.31 23:59:25 UTC
Reactivation of the Elevator Aileron Computer
1. Reason for the Job
MMEL 27-93-01A
ELAC 1
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 210 | CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD |
| 822 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-41-00-861-002-A | Energize the Aircraft Electrical Circuits from the External Power |
| TASK 24-41-00-861-002-A-01 | Energize the Aircraft Electrical Circuits from the APU |
| TASK 24-41-00-861-002-A-02 | Energize the Aircraft Electrical Circuits from Engine 1(2) |
| TASK 24-41-00-862-002-A | De-energize the Aircraft Electrical Circuits Supplied from the External Power |
| TASK 24-41-00-862-002-A-01 | De-energize the Aircraft Electrical Circuits Supplied from the APU |
| TASK 24-41-00-862-002-A-02 | De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2) |
Subtask 27-93-00-861-052-A Subtask 27-93-00-860-051-A
B. Remove the WARNING NOTICE(S).
Subtask 27-93-00-010-054-A C. Get Access
(1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position at the access door 822.
(2) Open the access door 822.
(3) On the battery power center 105VU:
4. Procedure(1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position at the access door 822.
(2) Open the access door 822.
(3) On the battery power center 105VU:
- Loosen the two screws and remove the protective cover.
Subtask 27-93-00-440-050-A
A. Reactivation of the Elevator Aileron Computer
(1) Close the circuit breakers 15CE1 and 16CE1 (ELAC 1).
(2) On the overhead panel 23VU, push the FLT CTL/ELAC1 pushbutton switch.
(3) Do the trouble-shooting of the ELAC1. Make the necessary corrections.
5. Close-up(1) Close the circuit breakers 15CE1 and 16CE1 (ELAC 1).
(2) On the overhead panel 23VU, push the FLT CTL/ELAC1 pushbutton switch.
(3) Do the trouble-shooting of the ELAC1. Make the necessary corrections.
Subtask 27-93-00-410-054-A
A. Close Access
(1) Install the protective cover on the battery power center 105VU.
(2) Tighten the two screws.
(3) Close the access door 822.
(4) Remove the access platform(s).
Subtask 27-93-00-862-052-A (1) Install the protective cover on the battery power center 105VU.
(2) Tighten the two screws.
(3) Close the access door 822.
(4) Remove the access platform(s).