# SDR UIEA2021012200100

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 22, 2021
- Submitted: January 22, 2021
- Operation: Air carrier
- Aircraft: [N1399A](https://openairdocs.org/aircraft/N1399A), registered now
- Make and model: Boeing 767306
- Aircraft serial: 27959
- Aircraft time: 92,778 hours, 18,103 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: A/C Pack
- Condition: Unknown
- Location: Cabin Temp
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2021012200100

## Discrepancy

COMPARTMENT TEMP INDICATED 12 DEG C IN THE FWD CABIN AND 18 DEG C IN THE AFT CABIN WITH TEMP SELECTED TO FULL WARM.  FLT DECK WAS DIFFICULT TO WARM UP.  PERFORMED OPERATIONS TEST OF ZONE TEMP CONTROL SYSTEM, TEST NORMAL IAW AMM 21-61-00.

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