# SDR S03428074

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 11, 2003
- Submitted: October 17, 2003
- Operation: Air carrier
- Make and model: Boeing 747-400
- Registry model: [Boeing 747-400](https://openairdocs.org/model/boeing-747-400) (OpenAirDocs)
- Aircraft serial: 24309
- Aircraft time: 60,217 hours, 11,911 cycles
- Engine: Pwa PW4056
- System (JASC): [2820 · Aircraft Fuel Distribution System](https://openairdocs.org/jasc/2820)
- Part: Valve
- Condition: Failed
- Location: Nr 1 Main Tank
- Stage of operation: TX
- 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/S03428074

## Discrepancy

B18271 20 MINS AFTER REFUELING COMPLETED AND WITH CORRECT LEVEL IN EACH TANK FUEL SPILL FROM LT SURGE TANK.  REPLACED NR 1 MAIN TANK REFUELING VLV IN LAX. PARTS FROM UA.  REPLACED NR 1 CROSSFEED VALVE AND BOOSTER PUMP BYPASS CHECK VALVE WHILE A/C ARRIVED TPE.

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