DOC AIRBUS | AMM A320FCheck of the CFDS to Make Sure that the Pylon Leak Detection and APU Leak Detection Loop Operates Correctly in LH Side
TASK 36-11-00-040-807-A
Check of the CFDS to Make Sure that the Pylon Leak Detection and APU Leak Detection Loop Operates Correctly in LH Side
1. Reason for the Job
MMEL 36-00-01B
AIR BLEED MAINTENANCE MESSAGE
MMEL 36-00-01B
AIR BLEED MAINTENANCE MESSAGE
2. Job Set-up Information
A. Referenced Information
3. Job Set-up
Subtask 36-11-00-861-141-A ** ON A/C NOT FOR ALL Subtask 36-11-00-865-127-A ** ON A/C NOT FOR ALL
Subtask 36-11-00-040-118-A ** ON A/C NOT FOR ALL
Subtask 36-11-00-862-124-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 01:06:26 UTC
Check of the CFDS to Make Sure that the Pylon Leak Detection and APU Leak Detection Loop Operates Correctly in LH Side
1. Reason for the Job
MMEL 36-00-01B
AIR BLEED MAINTENANCE MESSAGE
MMEL 36-00-01B
AIR BLEED MAINTENANCE MESSAGE
2. Job Set-up Information
A. Referenced Information
| 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) |
| TASK 36-11-00-740-001-A | BITE Test of the BMC 1(2) |
Subtask 36-11-00-861-141-A ** ON A/C NOT FOR ALL Subtask 36-11-00-865-127-A ** ON A/C NOT FOR ALL
B. Make sure that this(these) circuit breaker(s) is(are) closed:
Subtask 36-11-00-860-109-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | AIR BLEED/X FEED/VALVE/BAT | 2HV | D13 |
| 49VU | AIR BLEED/ENG 1/CTL | 3HA1 | D12 |
| 49VU | AIR BLEED/ENG 1/MONG | 2HA1 | D11 |
| 122VU | AIR BLEED/ENG 2/CTL | 3HA2 | Z23 |
| 122VU | AIR BLEED/ENG 2/MONG | 2HA2 | Z22 |
| 122VU | AIR BLEED/X FEED VALVE/NORM | 1HV | Z20 |
C. Aircraft Maintenance Configuration
(1) On the AIR COND panel:
4. Procedure(1) On the AIR COND panel:
- Make sure that the ENG 1(2) BLEED pushbutton switches are pushed (OFF legends are off).
- Make sure that the crossbleed selector switch is at AUTO position.
- Make sure that the APU BLEED pushbutton switch is released (ON legend is off).
Subtask 36-11-00-040-118-A ** ON A/C NOT FOR ALL
A. Check of the CFDS to Make Sure that the Pylon Leak Detection Operates Correctly
(1) Do the BITE test of the BMC1 and BMC2 and print each TEST RESULT page (Ref. AMM TASK 36-11-00-740-001).
(2) Make sure that the TEST RESULT pages do not show these maintenance messages:
5. Close-up(1) Do the BITE test of the BMC1 and BMC2 and print each TEST RESULT page (Ref. AMM TASK 36-11-00-740-001).
(2) Make sure that the TEST RESULT pages do not show these maintenance messages:
| ATA | MESSAGE | CLASS FAULT |
|---|---|---|
| 361100 | CHECK BMC1 | 2 |
| 361100 | NO DATA FROM BMC1 | 2 |
| 361134 | BMC1 | 2 |
| 362215 | ENG1 PYLON LOOP INOP | 2 |
| 362217 | APU LOOP INOP OR BMC IDENT CKT | 2 |
Subtask 36-11-00-862-124-A ** ON A/C NOT FOR ALL
A. Put the aircraft back to its initial configuration.
(1) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
(1) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).