# SDR AALA202111291877

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 27, 2021
- Submitted: November 29, 2021
- Operation: Air carrier
- Aircraft: [N742PS](https://openairdocs.org/aircraft/N742PS), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1275
- Aircraft time: 55,851 hours, 35,424 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Bypass Valve
- Part number: 758A000002
- Part serial: 3183
- Condition: Faulty
- Location: Zone 100 - Fuse
- Part time: 53,905 hours, 34,045 cycles
- Stage of operation: CR
- How discovered: V
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202111291877

## Discrepancy

AIRCRAFT WAS GROUNDED: UNABLE TO CONTROL CABIN TEMPERATURE, REACHED 98 DEGREES FAHRENHEIT. REPLACED RH PACK TURBINE BYPASS VALVE 30HH WITH SERVICEABLE UNIT IAW AMM 21-61-53, LEAK AND OPS CHECK GOOD.

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