# SDR ASAA202002132173

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 12, 2020
- Submitted: February 14, 2020
- Operation: Air carrier
- Aircraft: [N558AS](https://openairdocs.org/aircraft/N558AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35177
- Aircraft time: 51,566 hours, 15,162 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Warning Light
- Condition: False Activation
- Location: Zone Temp
- Stage of operation: NR
- How discovered: V
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA202002132173

## Discrepancy

ON RECALL, ZONE TEMP LIGHT FOR CONTROL CABIN ILLUMINATED.. EXTINGUISHED ON RESET. QRH FOLLOWED. GROUNDED - YES. PERFORMED BITE TEST PER B737-800 AMM 21-61-00. OPS NORMAL, NO CURRENT FAULTS. NO PRIOR HISTORY, GOOD FOR SERVICE.

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