# SDR ASAA2021122737009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 27, 2021
- Submitted: December 30, 2021
- Operation: Air carrier
- Aircraft: [N518AS](https://openairdocs.org/aircraft/N518AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35693
- Aircraft time: 46,968 hours, 13,821 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: DE
- How discovered: V
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021122737009

## Discrepancy

ON DESCENT WITH RECALL CHECK RIGHT PACK LIGHT CAME ON WENT OUT WITH MASTER CAUTION PUSH TO RESET. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 21-53 TASK 821 #2 PZTC SHOWED THIS PACK TCV FAULT CLEARED ON RESET.

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