# SDR ASAA2012062792433

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 2, 2012
- Submitted: June 30, 2012
- Operation: Air carrier
- Aircraft: [N516AS](https://openairdocs.org/aircraft/N516AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 39044
- Aircraft time: 13,391 hours, 4,315 cycles
- Engine: Cfmint CFM567B273
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Warning Light
- Condition: False Activation
- Location: Cabin Temp
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2012062792433

## Discrepancy

AFTER START CHECKLIST, RECALL CONT CAB ZONE TEMP ILLUMINATED ON RECALL & EXTINGUISHED ON CLEARING MASTER CAUTION.  NR 2 CONTROLLER SHOWS FLT DECK TRIM VALVE FAULT ON PREVIOUS FLT, VERIFY TEST PASS.  RESET FAULT.  FAULT DID NOT RETURN.  BITE TEST NR 2 TEMP CONTROLLER GOOD.  REF FIM 21-62/T832. FUNCTION CHECK, CABIN (FLT DECK) TEMP CONTROLLER GOOD.

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