# SDR ASAA2017022219904

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 22, 2017
- Submitted: February 24, 2017
- Operation: Air carrier
- Aircraft: [N518AS](https://openairdocs.org/aircraft/N518AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35693
- Aircraft time: 31,062 hours, 9,209 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: DE
- 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/ASAA2017022219904

## Discrepancy

CONTROL CABIN ZONE TEMP ILLUMINATED DURING DESCENT.  ACFT GROUNDED.  THE NR 2 ZONE TEMP LOGGED FLT DECK TRIM VALVE,  BITE TESTED GOOD,  FAULT RESET IAW FIM 21-61 TASK 801.

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