# SDR ASAA1058646

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 17, 2010
- Submitted: December 21, 2010
- Operation: Air carrier
- Aircraft: [N585AS](https://openairdocs.org/aircraft/N585AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35683
- Aircraft time: 12,355 hours, 3,767 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Unknown
- Condition: Malfunctioned
- Location: Ac Bay
- 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/ASAA1058646

## Discrepancy

AFTER START DURING RECALL CONT CAB ZONE TEMP ANNC ILLUMINATED.  RESET MASTER CAUTION ANNC LIGHT EXTINGUISHED.  NR 2 TEMP CTRLR SHOWS "FLT DECK TRIM VALVE" FAULT ON BIT & PREV FLT TESTS.  VERIFY TEST GO.  RESET FAULT.  FAULT DID NOT RETURN.  INTERMITTENT FAULT.  BITE & GND VERIFICATION CHECKS GOOD.  REF FIM 21 62 T833.  NO HISTORY 60 DAYS.

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