# SDR ASAA2017051220719

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 12, 2017
- Submitted: May 15, 2017
- Operation: Air carrier
- Aircraft: [N558AS](https://openairdocs.org/aircraft/N558AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35177
- Aircraft time: 41,610 hours, 12,194 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Warning Message
- 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/ASAA2017051220719

## Discrepancy

ZONE TEMP CONTROL CABIN ILLUMINATED ON MASTER CAUTION RECALL, EXTINGUISHES ON RESET.  ACFT  GROUNDED.  BITE CHECKED IAW FIM 21-62 TASK 801. NO HARD FAULTS NOTED AND SWITCHES RETURNED TO ORIGINAL CONFIGURATION.

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