# SDR ASAA2022082339634

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 23, 2022
- Submitted: August 26, 2022
- Operation: Air carrier
- Aircraft: [N495AS](https://openairdocs.org/aircraft/N495AS), registered now
- Make and model: Boeing 737
- Aircraft serial: 41728
- Aircraft time: 23,907 hours, 7,477 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: None
- Part number: 3989085
- Part serial: 32865
- Condition: Faulty
- Location: Right Ecs Bay
- Part time: 12,191 hours, 3,606 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/ASAA2022082339634

## Discrepancy

RIGHT PACK ILLUMINATES ON MASTER RECALL, EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED - YES. REMOVED RH PACK TEMPERATURE CONTROL VALVE PER B737-900 AMM 21-51-10-000-801. INSTALLED TEMPERATURE CONTROL VALVE PER AMM 21-51-10-400-801.

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