# SDR ASAA1158768

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 12, 2011
- Submitted: January 14, 2011
- Operation: Air carrier
- Aircraft: [N596AS](https://openairdocs.org/aircraft/N596AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35688
- Aircraft time: 10,344 hours, 3,335 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Warning System
- Condition: False Activation
- Location: Cockpit
- 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/ASAA1158768

## Discrepancy

CONTROL CABIN ZONE TEMP LIGHT ILLUMINATES ON RECALL & RESETS.  NR 2 CTRLR SHOWS "FLT DECK TRIM VALVE" ON BIT & PREV FLT TESTS.  VERIFY TEST GO.  RESET FAULT.  FAULT DID NOT RETURN.  NO HISTORY 60 DAYS.  OPS & FUNCT CHECK CTRL CABIN TRIM VALVE GOOD.  REF FIM 21 62/T832.

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