# SDR UALA2009050601295

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 5, 2009
- Submitted: May 8, 2009
- Operation: Air carrier
- Aircraft: [N171UA](https://openairdocs.org/aircraft/N171UA), registered now
- Make and model: Boeing 747422
- Aircraft serial: 24322
- Aircraft time: 75,020 hours, 8,991 cycles
- Engine: Pwa PW4056
- System (JASC): [2830 · Fuel Dump System](https://openairdocs.org/jasc/2830)
- Part: Transfer Valve
- Part number: 40885
- Part serial: 375
- Condition: Failed
- Location: Nr 3
- Stage of operation: CR
- 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/UALA2009050601295

## Discrepancy

FUEL IMBALANCE MAIN 2-3.  REPLACED NR 3 FUEL JETTISON TRANSFER VALVE BODY AND ACTUATOR.  ACCOMPLISHED JETT TRANSFER VALVE GROUND TEST AND JETT TRANSFER VALVE-FUEL TRANSFER OPERATIONAL TEST. OPS CHECKED OKAY.

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