# SDR UIEA2017021300178

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 9, 2017
- Submitted: February 13, 2017
- Operation: Air carrier
- Aircraft: [N640GT](https://openairdocs.org/aircraft/N640GT), registered now
- Make and model: Boeing 767-3S1
- Registry model: [Boeing 767-3S1](https://openairdocs.org/model/boeing-767-3s1) (OpenAirDocs)
- Aircraft serial: 25221
- Aircraft time: 82,306 hours, 17,439 cycles
- System (JASC): [2820 · Aircraft Fuel Distribution System](https://openairdocs.org/jasc/2820)
- Part: Valve
- Part number: 125334D2
- Condition: Malfunctioned
- Location: Crossfeed
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2017021300178

## Discrepancy

EVIDENCE OF FUEL MIGRATION FROM RT MAIN TANK TO LT MAIN TANK.  REMOVED AND REPLACED THE FUEL CROSSFEED VALVE BODY IAW AMM 28-22-02, OPS CHECKED IAW AMM 28-22-00.  NO DEFECTS NOTED </P>)

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