# SDR UALA2012083004887

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 30, 2012
- Submitted: September 14, 2012
- Operation: Air carrier
- Aircraft: [N218UA](https://openairdocs.org/aircraft/N218UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30222
- Aircraft time: 48,611 hours, 5,937 cycles
- Engine: Pwa PW40903
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Shutoff Valve
- Part number: 8102294
- Part serial: 106
- Condition: Failed
- Location: Right
- Stage of operation: NR
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012083004887

## Discrepancy

TRIM AIR PRSOV R RIGHT TRIM AIR PRESSURE RELIEF SHUTOFF VALVE (PRSOV) FAILED.  STATUS MSG-2124202 INACTV TA MODE.  REPLACED TRIM AIR PRSOV RIGHT PER MM.  OPERATIONAL TEST PASSED, NO ASSOCIATED MESSAGES.

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