# SDR ASAA2017100222099

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 2, 2017
- Submitted: October 6, 2017
- Operation: Air carrier
- Aircraft: [N453AS](https://openairdocs.org/aircraft/N453AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36354
- Aircraft time: 14,796 hours, 4,869 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Warning Light
- Condition: Unknown
- Location: Cabin Temp
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017100222099

## Discrepancy

ON RECALL, THE CABIN ZONE TEMP ANNUNCIATOR LIGHT ILLUMINATED.  EXTINGUISHED ON MASTER CAUTION RESET. QRH PROCEDURE ACCOMPLISHED, NO FURTHER ACTION REQUIRED. ACFT GROUNDED.

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