DOC AIRBUS | TSM A320FAir Leak from the APU in the Aft Cargo Compartment
TASK 36-22-00-810-805-A
Air Leak from the APU in the Aft Cargo Compartment
1. Possible Causes
A. Referenced Information
3. Fault Confirmation
Subtask 36-22-00-720-054-A ** ON A/C NOT FOR ALL
Subtask 36-22-00-810-054-A ** ON A/C NOT FOR ALL
[Rev.8 from Aug 2018]
2026.04.04 04:34:02 UTC
Air Leak from the APU in the Aft Cargo Compartment
1. Possible Causes
- ducts
- seals
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| TSM TASK 36-22-00-810-829-A | APU Leak Detection |
| AMM 36-11-00-740-001 | BITE Test of the BMC 1(2) |
| AMM 36-12-00-790-001 | Leak Test of the APU Bleed-Air Supply-System |
Subtask 36-22-00-720-054-A ** ON A/C NOT FOR ALL
A. Test
(1) Do the BITE test of BMC1 AMM 36-11-00-740-001.
(a) If the BITE test gives the maintenance message APU LOOP:
4. Fault Isolation(1) Do the BITE test of BMC1 AMM 36-11-00-740-001.
(a) If the BITE test gives the maintenance message APU LOOP:
- Do the trouble shooting procedure for the APU leak detection (Ref. TSM TASK 36-22-00-810-829).
- Do the leak test of the APU bleed-air supply-system AMM 36-12-00-790-001.
Subtask 36-22-00-810-054-A ** ON A/C NOT FOR ALL
A. If the cause of the leak is a cracked/damaged duct:
Subtask 36-22-00-810-087-A ** ON A/C NOT FOR ALL - repair or replace the defective ducts .
B. If the cause of the leak is a defective seal:
Subtask 36-22-00-700-054-A ** ON A/C NOT FOR ALL - replace the defective seals .
C. After the subsequent flight, make sure that the fault does not continue.