DOC AIRBUS | TSM A320FAir Leak in the Right Wing with the APU in Operation
TASK 36-22-00-810-852-A
Air Leak in the Right Wing with the APU in Operation
1. Possible Causes
A. Referenced Information
3. Fault Confirmation
Subtask 36-22-00-860-054-A ** ON A/C NOT FOR ALL
Subtask 36-22-00-810-112-A ** ON A/C NOT FOR ALL
Subtask 36-22-00-860-055-C ** ON A/C NOT FOR ALL
[Rev.8 from Aug 2018]
2026.04.04 04:34:08 UTC
Air Leak in the Right Wing with the APU in Operation
1. Possible Causes
- ducts
- seals
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| AMM 21-52-00-200-010 | Hot-Air Leak-Check in the Air Conditioning Bay |
| AMM 24-41-00-861-002 | Energize the Aircraft Electrical Circuits from the External Power |
| AMM 24-41-00-862-002 | De-energize the Aircraft Electrical Circuits Supplied from the External Power |
| AMM 31-60-00-860-001 | EIS Start Procedure |
| AMM 31-60-00-860-002 | EIS Stop Procedure |
| AMM 36-22-00-790-802 | Leak Check on all the Bleed Air Ducts and Packs Components |
| AMM 49-00-00-860-008 | APU Start by External Power |
| AMM 49-00-00-860-009 | APU Shutdown by External Power (131-9(A)) |
Subtask 36-22-00-860-054-A ** ON A/C NOT FOR ALL
A. Job Set-up
(1) Energize the aircraft electrical circuits
AMM 24-41-00-861-002.
(2) Do the EIS start procedure (Upper ECAM DU and lower ECAM DU only)
AMM 31-60-00-860-001.
Subtask 36-22-00-710-094-C ** ON A/C NOT FOR ALL (1) Energize the aircraft electrical circuits
AMM 24-41-00-861-002.
(2) Do the EIS start procedure (Upper ECAM DU and lower ECAM DU only)
AMM 31-60-00-860-001.
B. Test
(1) Start the APU AMM 49-00-00-860-008.
(2) On AIR COND panel 30VU:
(a) Push the APU BLEED pushbutton switch (5HV) (the ON legend comes on).
4. Fault Isolation(1) Start the APU AMM 49-00-00-860-008.
(2) On AIR COND panel 30VU:
(a) Push the APU BLEED pushbutton switch (5HV) (the ON legend comes on).
Subtask 36-22-00-810-112-A ** ON A/C NOT FOR ALL
A. On the upper ECAM DU, if the AIR R WING LEAK warning comes into view:
(1) Do a leak test on the bleed air ducts AMM 36-22-00-790-802.
(a) If there are leaks:
(a) If there are cracks or damage on the ducts:
5. Close-up(1) Do a leak test on the bleed air ducts AMM 36-22-00-790-802.
(a) If there are leaks:
- Replace the defective ducts or seals as necessary.
- Do a hot-air leak check in the air conditioning bay AMM 21-52-00-200-010.
(a) If there are cracks or damage on the ducts:
- Replace the defective ducts .
- Replace the defective seals .
Subtask 36-22-00-860-055-C ** ON A/C NOT FOR ALL
A. Put the aircraft back to its initial configuration.
(1) On AIR COND panel 30VU:
(a) Release the APU BLEED pushbutton switch (5HV) (the ON legend goes off).
(2) Stop the APU AMM 49-00-00-860-009.
(3) Do the EIS stop procedure (Upper ECAM DU and lower ECAM DU only) AMM 31-60-00-860-002.
(4) De-energize the aircraft electrical circuits
AMM 24-41-00-862-002.
(1) On AIR COND panel 30VU:
(a) Release the APU BLEED pushbutton switch (5HV) (the ON legend goes off).
(2) Stop the APU AMM 49-00-00-860-009.
(3) Do the EIS stop procedure (Upper ECAM DU and lower ECAM DU only) AMM 31-60-00-860-002.
(4) De-energize the aircraft electrical circuits
AMM 24-41-00-862-002.