# SDR ASAA2022112140895

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 21, 2022
- Submitted: November 23, 2022
- Operation: Air carrier
- Aircraft: [N467AS](https://openairdocs.org/aircraft/N467AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36362
- Aircraft time: 31,087 hours, 9,972 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Warning Light
- Condition: Illuminated
- 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/ASAA2022112140895

## Discrepancy

CONT CAB ZONE TEMP LIGHT ILLUMINATED LIGHT EXTINGUSHED WHEN MASTER CAUTION RESET. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 21-62 TASK 801. FOUND FLT DECK TRIM VALVE RED LAMP ILLUMINATED ON PACK/ZONE TEMP CONTROLLER #2. VERIFY TEST PASSES.

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