# SDR UIEA2017052300834

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 22, 2017
- Submitted: May 23, 2017
- Operation: Air carrier
- Aircraft: [N767MW](https://openairdocs.org/aircraft/N767MW), registered now
- Make and model: Boeing 767277
- Aircraft serial: 22694
- Aircraft time: 54,561 hours, 37,856 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Control Valve
- Part number: 3987505
- Part serial: P5760
- Condition: Failed
- Location: Cabin Temp
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2017052300834

## Discrepancy

AFT CABIN TEMP WILL NOT STAY WARM.  C/W FIM 21-51-00 BITE CHECK, RT PACK CONTROLLER, RT PACK TEMP CONTROL VALVE FAULTED.   R & R THE RT PACK TEMP CONTROL VALVE IAW AMM 21-51-12.  RT PACK CONTROL VALVE LEAK AND OPS CHECKED GOOD.  ALL ZONES CONTROLLABLE ON GROUND.

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