# SDR UALA2011051302362

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 9, 2011
- Submitted: May 19, 2011
- Operation: Air carrier
- Aircraft: [N216UA](https://openairdocs.org/aircraft/N216UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30549
- Aircraft time: 44,074 hours, 5,614 cycles
- Engine: Pwa PW40903
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Shutoff Valve
- Part number: 8102296
- Part serial: 147
- Condition: Faulty
- Location: Ac Bay
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011051302362

## Discrepancy

HAD TRIM AIR PRSOV LEFT AND RIGHT STATUS MSGS THROUGHOUT FLIGHT. REPLACED WITH NEW TRIM AIR PRSOV AND TEST OKAY.

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