# SDR UALA2011011900334

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 2011
- Submitted: January 20, 2011
- Operation: Air carrier
- Aircraft: [N797UA](https://openairdocs.org/aircraft/N797UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26924
- Aircraft time: 57,320 hours, 8,220 cycles
- Engine: Pwa PW40903
- System (JASC): [2800 · Aircraft Fuel System](https://openairdocs.org/jasc/2800)
- Part: Shutoff Valve
- Part number: 40885
- Condition: Malfunctioned
- Location: Fuel System
- Stage of operation: NR
- 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/UALA2011011900334

## Discrepancy

CREW REPORT: ACFT DEVELOPED 4000 LB FUEL IMBALANCE IN 9HRS FUEL USED EQUAL.  REPLACED RT MAIN TANK FLOAT-OPERATED SHUTOFF VALVE.  COMPLETED FUNCTIONAL TEST IAW MM.  FOUND NO TRANSFER OF FUEL.

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