DOC AIRBUS | AMM A320FAPU LOW OIL LEVEL Indication on ECAM inoperative (131-9(A))
TASK 49-70-00-040-003-A
APU LOW OIL LEVEL Indication on ECAM inoperative (131-9(A))
MMEL 49-70-05A
LOW OIL LEVEL MESSAGE ON THE APU SD PAGE (FAA ONLY)
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 49-70-00-860-054-A ** ON A/C NOT FOR ALL
Subtask 49-70-00-210-052-A ** ON A/C NOT FOR ALL
Subtask 49-70-00-860-055-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 01:31:57 UTC
APU LOW OIL LEVEL Indication on ECAM inoperative (131-9(A))
Task Summary
1. Reason for the Job| Access | Test | Specific Tools | Mhr | E/T | Nb Men |
|---|---|---|---|---|---|
| YES | NO | NO | 0.7 | 0.7 | 1 |
MMEL 49-70-05A
LOW OIL LEVEL MESSAGE ON THE APU SD PAGE (FAA ONLY)
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 315AL, 316AR |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-42-00-861-001-A | Energize the Ground Service Network from the External Power |
| TASK 49-90-00-600-007-A | Check Oil Level and Replenish (131-9(A)) |
| TASK 52-41-00-010-001-A | Open the APU Doors for Access |
| TASK 52-41-00-410-001-A | Close the APU Doors after Access |
Subtask 49-70-00-860-054-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
(1) Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).
(2) On the panel 25VU, make sure that the APU MASTER SW p/bsw is OFF.
(3) Put a warning notice in the cockpit to tell persons not to start the APU.
Subtask 49-70-00-010-052-A ** ON A/C NOT FOR ALL (1) Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).
(2) On the panel 25VU, make sure that the APU MASTER SW p/bsw is OFF.
(3) Put a warning notice in the cockpit to tell persons not to start the APU.
B. Get Access
(1) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position below the APU access door 315AL and 316AR.
(2) Open the APU access doors 315AL 316AR (Ref. AMM TASK 52-41-00-010-001).
(3) Set the LIGHT control SW 11LJ to the ON position.
4. Procedure(1) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position below the APU access door 315AL and 316AR.
(2) Open the APU access doors 315AL 316AR (Ref. AMM TASK 52-41-00-010-001).
(3) Set the LIGHT control SW 11LJ to the ON position.
Subtask 49-70-00-210-052-A ** ON A/C NOT FOR ALL
A. Maintenance Action
(1) Do a check of the APU oil level on the oil sight glass.
5. Close-up(1) Do a check of the APU oil level on the oil sight glass.
- Replenish, if necessary (Ref. AMM TASK 49-90-00-600-007).
- If the oil consumption is more than 0.93 l (0.99 USquarts) per 10 APU operating-hours you have to monitor continuously the oil-consumption.
- Leaks are not permitted.
Subtask 49-70-00-860-055-A ** ON A/C NOT FOR ALL
A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Set the LIGHT control switch 11LJ to the off position.
(3) Close the APU access doors 316AR 315AL (Ref. AMM TASK 52-41-00-410-001).
(4) Remove the access platform(s).
(5) Remove the WARNING NOTICE(S).
(6) Put a temporary placard in the cockpit to tell persons that the APU LOW OIL LEVEL Indication on the APU SD page is inoperative.
(7) Make an applicable entry in the logbook.
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Set the LIGHT control switch 11LJ to the off position.
(3) Close the APU access doors 316AR 315AL (Ref. AMM TASK 52-41-00-410-001).
(4) Remove the access platform(s).
(5) Remove the WARNING NOTICE(S).
(6) Put a temporary placard in the cockpit to tell persons that the APU LOW OIL LEVEL Indication on the APU SD page is inoperative.
(7) Make an applicable entry in the logbook.