# SDR ASAA2015051811765

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 18, 2015
- Submitted: May 21, 2015
- Operation: Air carrier
- Aircraft: [N506AS](https://openairdocs.org/aircraft/N506AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35690
- Aircraft time: 26,543 hours, 8,195 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Warning Light
- Condition: False Activation
- Location: Cabin Temp
- Stage of operation: NR
- 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/ASAA2015051811765

## Discrepancy

CONTROLLER CABIN ZONE TEMP LIGHT ILLUMINATES ON RECALL AND EXTINGUISHES ON RESET. ACFT GROUNDED.  NR 2 PACK ZONE TEMP CONTROLLER LOGGED FLT DECK TRIM VALVE IN FAULT HISTORY. FAULT CLEARS.  RAN TEST AGAIN WITH NO FAULTS.  NO HISTORY LAST 30 DAYS.

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