# SDR ASAA1158709

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 28, 2010
- Submitted: January 4, 2011
- Operation: Air carrier
- Aircraft: [N587AS](https://openairdocs.org/aircraft/N587AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35684
- Aircraft time: 11,992 hours, 3,557 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Unknown
- Condition: Malfunctioned
- Location: Cabin Temp
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA1158709

## Discrepancy

ON MASTER CAUTION RECALL CONT CAB ZONE TEMP CAUTION LT ILLUMINATED.  NR 2 CTRLR SHOWS "FLT DECK TRIM VALVE" FAULT ON BIT & PREV FLT TESTS.  VERIFY TEST GO.  RESET FAULT. FAULT DID NOT RETURN.  INTERMITTENT FAULT.  BITE TEST NR 2 CTRLR GOOD.  GND VERIFICATION GOOD.  REF FIM 21 62 T832 & 21 62 T801.

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