# SDR UALA2013020700744

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 6, 2013
- Submitted: February 15, 2013
- Operation: Air carrier
- Aircraft: [N782UA](https://openairdocs.org/aircraft/N782UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26948
- Aircraft time: 70,246 hours, 9,989 cycles
- Engine: Pwa PW40903
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Control Valve
- Part number: 8102042
- Part serial: 197
- Condition: Failed
- Location: Lt A/C Pack
- Stage of operation: IN
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2013020700744

## Discrepancy

CREW REPORTED LEFT PACK TRIPPED.  RESET TWICE, NOW HAVE LEFT PACK FLOW CONTROL VALVE MESSAGE.  REPLACED LT UPPER FLOW CONTROL VALVE. OPS GOOD.

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