# SDR ASAA2022072939273

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 29, 2022
- Submitted: August 1, 2022
- Operation: Air carrier
- Aircraft: [N518AS](https://openairdocs.org/aircraft/N518AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35693
- Aircraft time: 49,025 hours, 14,383 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Control Valve
- Part number: UNKNOWN
- Condition: Faulted
- Location: Unknown
- 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/ASAA2022072939273

## Discrepancy

RIGHT PACK LIGHT ILLUMINATED WHEN RECALL IS PUSHED. GROUNDED - YES. PERFORMED PACK/ZONE TEMP CONT BITE TEST REF B737-800 AMM 21-61-00-700-806-002 FOUND TCV FAULT ON CONTROLLER #2. FAULT CLEARS. NO FURTHER DEFECTS NOTED.

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