# SDR ASAA2018021923577

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 19, 2018
- Submitted: February 21, 2018
- Operation: Air carrier
- Aircraft: [N533AS](https://openairdocs.org/aircraft/N533AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35201
- Aircraft time: 27,910 hours, 8,180 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Warning Light
- Condition: False Activation
- Location: Cockpit Temp
- Stage of operation: NR
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018021923577

## Discrepancy

CONTROL CABIN ZONE TEMP LIGHT ILLUMINATED ON CAUTION TEST, AND EXTINGUISHED ON MASTER CAUTION RESET.  ACFT GROUNDED.  PERFORMED AMM 21-61-00-700-806-002.  NO FAULT NOTED. OPS NORMAL.

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