# SDR UIEA2017073001381

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 29, 2017
- Submitted: August 1, 2017
- Operation: Air carrier
- Aircraft: [N1229A](https://openairdocs.org/aircraft/N1229A), registered now
- Make and model: Boeing 767306
- Aircraft serial: 28884
- Aircraft time: 66,277 hours, 14,069 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Valve
- Part number: 20225225
- Part serial: 10912740
- Condition: Failed
- 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/UIEA2017073001381

## Discrepancy

AFT CABIN TEMP EICAS MESSAGE DURING CRUISE. QRH COMPLIED WITH, ASSOCIATED AFT CABIN CONTROLLER INOPERATIVE.  REMOVED AND REPLACED TRIM MODULATING VALVE IAW AMM 21-61-07,  OPS CHECKED NORMAL.

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