# SDR UIEA2020111702411

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 17, 2020
- Submitted: November 24, 2020
- 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: 89,164 hours, 25,324 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Modulating Valve
- Part number: 3987865
- Part serial: 2033
- Condition: Malfunctioned
- 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/UIEA2020111702411

## Discrepancy

FWD CABIN TEMP EICAS MESSAGE ILLUMINATED PRIOR TO BLOCKOUT(<P>TRANSFERRED TO MDDR #137963 IAW DDG MEL# 21-61-01-01, CAT C, DUE ON 27NOV20. DISPATCH: C.W. @ 0050Z.<BR /></P><P>22NOV20, LP 1272907 M4 - BWI - REMOVED AND REPLACED FWD ZONE TRIM AIR MODULATING VALVE. IAW AMM 21-61-07. OPS CHECK GOOD. THIS CLEARS MDDR #137963. MCC NOTIFIED. PLACARD REMOVED.</P>)

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