# SDR ASAA2015080212678

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 2, 2015
- Submitted: August 5, 2015
- Operation: Air carrier
- Aircraft: [N583AS](https://openairdocs.org/aircraft/N583AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35681
- Aircraft time: 30,854 hours, 34,083 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Warning Message
- Condition: False Activation
- Stage of operation: TX
- How discovered: 9
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2015080212678

## Discrepancy

DURING TAXI OUT, ZONE TEMP FWD CABIN ILLUMINATED WITH AND RESETS WITH MASTER CAUTION PUSHED.  WHEN RECALL IS PUSHED, ZONE TEMP LIGHT ILLUMINATES.  TEMP CONTROLLER DOESN`T CONTROL ZONE DUCT TEMP.  ACFT GROUNDED.  ACCOMPLISHED PACK TEMP CONTROL BITE TEST IAW FIM 21-62, TASK 801.  FWD CABIN TRIM AIR VALVE LIGHT RESET & 3 BITE CHECKED, NO RECURRENCE NOTED.  ALL COMPONENTS FUNCTION NORMAL.  NO HISTORY 30 DAYS.

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