# SDR ASAA11510844

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 24, 2011
- Submitted: December 27, 2011
- Operation: Air carrier
- Aircraft: [N532AS](https://openairdocs.org/aircraft/N532AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 36346
- Aircraft time: 5,729 hours, 1,893 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/ASAA11510844

## Discrepancy

CONTROL CABIN ZONE TEMP LIGHT ILLUMINATES ON RECALL.  EXTINGUISHES ON RESET.  BITE OF NR 2 PZTC SHOWS CONT CAB TRIM VALVE FAULT RESET & RETESTED PZTC REF FIM TASK 21 62TSK 842 NO FAULTS NOTED.  SUCCESSFUL GROUND VERIFICATION CONFIRMED.

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