# SDR UIEA2021012900151

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 28, 2021
- Submitted: February 1, 2021
- Operation: Air carrier
- Aircraft: [N641GT](https://openairdocs.org/aircraft/N641GT), registered now
- Make and model: Boeing 767-38E
- Registry model: [Boeing 767-38E](https://openairdocs.org/model/boeing-767-38e) (OpenAirDocs)
- Aircraft serial: 25132
- Aircraft time: 89,521 hours, 25,408 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Valve
- Part number: 3987865
- Part serial: 1591
- Condition: Inoperative
- Location: Cabin Temp Trim
- Stage of operation: NR
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K, O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2021012900151

## Discrepancy

FORWARD ZONE CABIN TEMP TRIM AIR VALVE INOPERATIVE.  FWD CABIN AIR CONDITIONING ZONE INOP LIGHT.  TRANSFERRED TO DMI 141569, IAW MEL 21-61-04-01B CAT C DUE 07FEB21.  MCC NOTIFIED, PLACARDS INSTALLED.  LOG PAGE 1273154: REPLACED TRIM VALVE MODULATING IAW AMM 21-61-07.  OPS AND LEAK CHECK GOOD.  THIS CLEARS DMI 141569. MCC NOTIFIED.

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