# SDR ASAA2014010112292

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 1, 2014
- Submitted: January 6, 2014
- Operation: Air carrier
- Aircraft: [N565AS](https://openairdocs.org/aircraft/N565AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35181
- Aircraft time: 27,298 hours, 8,328 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Control Valve
- Part number: 3989083
- Part serial: 16540
- Condition: Failed
- Location: Lt A/C Pack
- Part time: 6,299 hours, 1,796 cycles
- Stage of operation: TX
- 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/ASAA2014010112292

## Discrepancy

LT PACK LIGHT ILLUMINATES ON M.C.  EXTINGUISHES ON RESET.  ACFT GROUNDED.  REPLACED THE LEFT PACK TEMP CONTROL VALVE REF TO AMM 21-51-10.  OPS AND LEAK CHECK GOOD.

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