# SDR ASAA2013050894748

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 8, 2013
- Submitted: May 14, 2013
- Operation: Air carrier
- Aircraft: [N587AS](https://openairdocs.org/aircraft/N587AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35684
- Aircraft time: 21,469 hours, 6,336 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: 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/ASAA2013050894748

## Discrepancy

ZONE TEMP CONT CAB ILLUMINATED ON RECALL.  ACFT GROUNDED.  TESTED RT PACK/ZONE CONTROLLER IAW FIM 21-62, TASK 801.  FOUND A FAULT LIGHT FOR THE CONTROL CABIN TEMP VALVE.  RESET PACK/ZONE CONTROLLER AND RETESTED 3 TIMES.  NO FURTHER FAULT INDICATED. ALSO, DID NOT FIND ANY MX HISTORY WITHIN THE PAST 30 DAYS.

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