# SDR ASAA2021022334185

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 23, 2021
- Submitted: February 26, 2021
- Operation: Air carrier
- Aircraft: [N585AS](https://openairdocs.org/aircraft/N585AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35683
- Aircraft time: 49,701 hours, 14,940 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Warning Light
- Condition: False Activation
- Location: Cabin 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/ASAA2021022334185

## Discrepancy

ZONE TEMP LIGHT ILLUMINATES ON CONT CAB DURING MASTER CAUTION RECALL.  LIGHT EXTINGUISHES UPON MASTER CAUTION RESET.  GROUNDED - YES.  PERFORMED B737-800 FIM 21-62 TASK 842.  NO FAULTS DETECTED, CONT CAB "ZONE TEMP" LIGHT DID NOT ILLUMINATE, FAULT DETERMINED TO BE INTERMITTENT.  NO FURTHER ACTION IS REQUIRED.

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