# SDR ASAA2018022023637

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 20, 2018
- Submitted: February 21, 2018
- Operation: Air carrier
- Aircraft: [N402AS](https://openairdocs.org/aircraft/N402AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41189
- Aircraft time: 21,159 hours, 6,953 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: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018022023637

## Discrepancy

CONTROL CABIN TEMP ZONE LIGHT ILLUMINATED ON RECALL.  ACFT GROUNDED.  PERFORMED A BITE CHECK IAW AMM 21-51-00, FLT DECK TRIM VALVE NR 2 CONTROLLER RESET.

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