# SDR UALA2011090104709

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 31, 2011
- Submitted: September 26, 2011
- Operation: Air carrier
- Aircraft: [N792UA](https://openairdocs.org/aircraft/N792UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26934
- Aircraft time: 63,305 hours, 9,094 cycles
- Engine: Pwa PW40903
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Shutoff Valve
- Part number: 8102294
- Part serial: 155
- Condition: Faulty
- Location: Cockpit Temp
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011090104709

## Discrepancy

FLIGHT DECK TEMPERATURE - DOES NOT CHANGE WHEN FLT DECK TEMP SELECTOR MOVED.  CREW COMMENTS:  REPEAT WRITEUP.  SAM NOTIFIED.  TEMP UNCONTROLLABLE.  REPLACED FLT DECK TRIM VALVE,  646-0047, NO HELP.  COMPLIED WITH MEL REQUIREMENTS.  RPLC'D LT TRIM AIR PSROV AND CLEAN COCKPIT ZONE TEMP SENSOR, OPS CKD GOOD.

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