# SDR UALA2009062901845

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 29, 2009
- Submitted: June 29, 2009
- Operation: Air carrier
- Aircraft: [N774UA](https://openairdocs.org/aircraft/N774UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26936
- Aircraft time: 54,138 hours, 10,713 cycles
- Engine: Pwa PW4077
- System (JASC): [2824 · Fuel Transfer Valve](https://openairdocs.org/jasc/2824)
- Part: Control Unit
- Condition: Malfunctioned
- Location: Fuel System
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2009062901845

## Discrepancy

LEFT MAIN TANK FUEL TRANSFER ISSUE.  REPLACED LT OUTBOARD VLV CONTROL UNIT.  RE-TESTED FLOW RT WING TO LT WING APPROX 6000LBS IN 5 MINS.

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