# SDR AALA202601129398

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 10, 2026
- Submitted: January 13, 2026
- Operation: Air carrier
- Aircraft: [N314RH](https://openairdocs.org/aircraft/N314RH), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 44455
- Aircraft time: 18,389 hours, 6,940 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Shutoff Valve
- Part number: 32149721
- Part serial: 6400
- Condition: Failed
- Location: Zone 100
- Part time: 15,726 hours, 5,909 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: S
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202601129398

## Discrepancy

AIRCRAFT WAS GROUNDED,  AN EMERGENCY WAS DECLARED DUE TO: CABIN AIR TEMPERATURE WAS UNCONTROLLABLY HOT. AIRCRAFT DIVERTED TO AND LANDED SAFELY AT PHL. REMOVED AND REPLACED TRIM AIR (PRSOV)-PRESSURE REGULATING AND SHUTOFF VALVE (AALA202601129398). ALSO REMOVED AND REPLACED RIGHT HAND IASC (AALA202601120471), PER AMM 21-62-01 AND 21-61-22. OPS CHECKED GOOD CABIN TEMPERATURE IS CONTROLLABLE NOW.

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