# SDR ASAA2016121519051

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 15, 2016
- Submitted: December 19, 2016
- Operation: Air carrier
- Aircraft: [N474AS](https://openairdocs.org/aircraft/N474AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 40715
- Aircraft time: 5,867 hours, 1,922 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Sensor
- Condition: Faulted
- Location: Cabin Temp
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016121519051

## Discrepancy

UNABLE TO CONTROL TEMP IN CABIN FROM ROW 6-11, EITHER TOO HOT OR TOO COLD. ACFT GROUNDED. PERFORMED NR 2 (RT) TEMP CONTROLLER BITE CHECK AND FOUND CABIN SENSOR ZONE FAULT IAW FIM 21-61 TASK 801. CLEANED CABIN TEMP SENSOR FILTERS IAW AMM 21-61-06 AND CLEANED CABIN TEMP SENSOR 21-61-10, NO FIX.

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