# SDR ASAA2016100418214

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 4, 2016
- Submitted: October 6, 2016
- Operation: Air carrier
- Aircraft: [N461AS](https://openairdocs.org/aircraft/N461AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36363
- Aircraft time: 10,188 hours, 3,302 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Valve
- Condition: Faulted
- Location: Cabin Temp
- Stage of operation: TX
- How discovered: V
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016100418214

## Discrepancy

DURING TAXI OUT MASTER CAUTION RECALL THE CONT CABIN ZONE TEMP LIGHT ILLUMINATED AND RESET WITH MASTER CAUTION PUSH REST.  ACFT GROUNDED. ACCOMPLISHED PACK/ZONE TEMP CONTROLLER BITE, IAW AMM 21-61-00. FOUND NR 2 CONTROLLER FLT DECK TRIM VALVE FAULT. RESET FAULT.  GROUND RAN BOTH PACKS FOR 1 HOUR. PERFORMED BITE AGAIN WITH NO FAULTS LOGGED. SYSTEM CHECKS NORMAL.

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