# SDR ASAA2022080539448

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 5, 2022
- Submitted: August 11, 2022
- Operation: Air carrier
- Aircraft: [N577AS](https://openairdocs.org/aircraft/N577AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35186
- Aircraft time: 55,153 hours, 16,325 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Valve
- Part number: 3989083
- Part serial: 9412
- Condition: Faulty
- Location: Right Ecs Bay
- Part time: 55,190 hours, 16,336 cycles
- Stage of operation: NR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022080539448

## Discrepancy

RT PACK LIGHT ILLUMINATES ON RECALL RESETS ON MASTER CAUTION RESET. GROUNDED - YES. RMVD & RPLCD FWD PASS CABIN TRIM VALVE REF B737-800 AMM 21-61-21.

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