# SDR 2007UALA02797

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 22, 2007
- Submitted: July 24, 2007
- Operation: Air carrier
- Aircraft: [N843UA](https://openairdocs.org/aircraft/N843UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 1573
- Aircraft time: 21,085 hours, 8,260 cycles
- Engine: Iae V2522A5
- System (JASC): [2822 · Fuel Boost Pump](https://openairdocs.org/jasc/2822)
- Part: Check Valve
- Condition: Failed
- Location: Fuel Transfer
- Stage of operation: CR
- 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/2007UALA02797

## Discrepancy

UNWANTED FUEL TRANSFER FROM RT WING TO CTR TANK.  TRANSFER RATE APPROX 500 LBS PER HOUR.   CENTER BOOST PUMP CHECK VALVE LEAKING FUEL.   REPLACED CENTER BOOST PUMP CHECK VALVE.

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