# SDR ASAA2021021634116

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 16, 2021
- Submitted: February 19, 2021
- Operation: Air carrier
- Aircraft: [N581AS](https://openairdocs.org/aircraft/N581AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35188
- Aircraft time: 48,992 hours, 14,615 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: TX
- 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/ASAA2021021634116

## Discrepancy

DURING PUSH - ZONE TEMP CONTROL CABIN OVERHEAT LIGHT ILLUMINATED COME ON WITH RECALL EXTINGUISHES WITH RESET QRH FOLLOWED.  GROUNDED - YES.  ACCOMPLISHED PACK/ZONE TEMP CONT BITE TEST, RESET NR 2 FLT DECK TRIM VALVE FAULT, RUN BITE TEST 4X, ALL PASSED, OPS NML REF B737-800 AMM 21-61-00-700-806-002.

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