# SDR IPXA3B80132

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 5, 2013
- Submitted: September 6, 2013
- Operation: Air carrier
- Aircraft: [N578UP](https://openairdocs.org/aircraft/N578UP), registered now
- Make and model: Boeing 747-45E
- Registry model: [Boeing 747-45E](https://openairdocs.org/model/boeing-747-45e) (OpenAirDocs)
- Aircraft serial: 27154
- System (JASC): [2810 · Fuel Storage](https://openairdocs.org/jasc/2810)
- Part: Valve
- Part number: 2860100100
- Part serial: 0541
- Condition: Failed
- Location: Lt Wing Fuel
- Stage of operation: CL
- How discovered: O
- Nature of condition: K
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA3B80132

## Discrepancy

TOWER REPORTED FUEL LEAKING AT TAKE OFF.  FOUND LT WING SURGE TANK INBD PRESSURE RELIEF VALVE OPEN.  INSPECTED SURGE GE TANK VENT TUBE FOR BLOCKAGE.  NO BLOCKAGE.  VALVE FAILS MANUAL, OPS TEST.  R & R LT WING SURGE TANK INBD PRESS RELIEF VALVE.

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