DOC AIRBUS | TSM A320FPack 1 Inlet Pressure Sensor Fault
TASK 21-51-00-810-820-A
Pack 1 Inlet Pressure Sensor Fault
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
3. Fault Confirmation
Subtask 21-51-00-710-081-A ** ON A/C NOT FOR ALL 4. Fault Isolation
Subtask 21-51-00-810-094-B ** ON A/C NOT FOR ALL
[Rev.8 from Aug 2018]
2026.04.04 04:24:49 UTC
Pack 1 Inlet Pressure Sensor Fault
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| AMM 21-51-13-000-001 | Removal of the Pack-Inlet Pressure Sensor |
| AMM 21-51-13-400-001 | Installation of the Pack-Inlet Pressure Sensor |
| AMM 21-61-00-710-001 | Operational Test of the Pack Temperature-Control System |
| ASM 216101 | |
| AMM 21-61-34-000-002 | Removal of the Air-Conditioning System Controller |
| AMM 21-61-34-400-002 | Installation of the Air-Conditioning System Controller |
Subtask 21-51-00-710-081-A ** ON A/C NOT FOR ALL 4. Fault Isolation
Subtask 21-51-00-810-094-B ** ON A/C NOT FOR ALL
A. If the test gives the maintenance message,
P1 PRESS INL SENS(23HB1):
Subtask 21-51-00-720-055-A ** ON A/C NOT FOR ALL P1 PRESS INL SENS(23HB1):
- replace the SENSOR-PRESS, PACK 1 INLET [23HB1] AMM 21-51-13-000-001 and AMM 21-51-13-400-001.
- replace the CONT-AIR COND SYSTEM 1 [47HH] AMM 21-61-34-000-002 and AMM 21-61-34-400-002.
- do a check and repair the wiring ASM 216101 from:
- the PRESSURE SENSOR (23HB1) to the ACSC1 (47HH).
B. Do the test as given in the Para. 3.A.