# SDR ASAA11510682

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 18, 2011
- Submitted: November 21, 2011
- Operation: Air carrier
- Aircraft: [N559AS](https://openairdocs.org/aircraft/N559AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35178
- Aircraft time: 19,540 hours, 5,933 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: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA11510682

## Discrepancy

CON CAB ZONE TEMP ON AT RECALL RESETS WITH MASTER CAUTION.  CONFIRMED.  NR 2 CTRLR SHOWS FLT DECK TRIM VALVE FAULT ON BIT & PREV FLT. VERIFY TEST GOOD.  RESET FAULT.  FAULT DID NOT RETURN.  BITE TEST NR 2 CNTRLR GOOD.  FUNCT CHECK FLT DECK TRIM VALVE GOOD.  GND VERIFICATION CHECK GOOD.  INTERMITTENT FAULT REF FIM 21 62/T832.

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