# SDR ASAA2017101422194

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 14, 2017
- Submitted: October 16, 2017
- Operation: Air carrier
- Aircraft: [N413AS](https://openairdocs.org/aircraft/N413AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 35205
- Aircraft time: 18,317 hours, 5,957 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Warning Light
- Condition: False Activation
- Location: Cockpit 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/ASAA2017101422194

## Discrepancy

ZONE TEMP CONTROL CABIN LIGHT ILLUMINATED DURING TAXI AND RESET.  ACFT GROUNDED.   ACCOMPLISHED A PACK TEMP CONTROL BITE IAW FIM 21-62, TASK 801.  FOUND THE NR 2 CONTROLLER SHOWS FLT DECK TRIM VALVE FAULTED. ACCOMPLISHED VERIFY TEST, NO CURRENT FAULTS. RESET FAULT, CABIN TEMP CONTROL OPS NORMAL.

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