# SDR ASAA2015111913898

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 19, 2015
- Submitted: November 23, 2015
- Operation: Air carrier
- Aircraft: [N453AS](https://openairdocs.org/aircraft/N453AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36354
- Aircraft time: 7,373 hours, 2,375 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Controller
- Condition: Malfunctioned
- Location: Cabin Temp
- Stage of operation: NR
- 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/ASAA2015111913898

## Discrepancy

"CONTROLLER CABIN" ZONE TEMP LIGHT ILLUMINATES ON RECALL AND EXTINGUISHES WITH MASTER CAUTION.  ACFT GROUNDED. BITE TEST NR 2 CONTROLLER SHOWED FLT DECK TRIM VALVE FAULT.  VERIFY TEST IS GOOD.  BITE CHECK NOW GOOD.

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