# SDR UALA2011020700642

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 6, 2011
- Submitted: February 9, 2011
- Operation: Air carrier
- Aircraft: N181UA
- Make and model: Boeing 747422
- Aircraft serial: 25278
- Aircraft time: 81,480 hours, 9,993 cycles
- Engine: Pwa PW4056
- System (JASC): [4930 · APU Engine Fuel and Control](https://openairdocs.org/jasc/4930)
- Part: Line
- Part number: B14723
- Condition: Leaking
- Location: Apu Fuel
- Stage of operation: IN
- How discovered: V
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011020700642

## Discrepancy

APU FUEL LINE SHROUD LEAKING FUEL.  DRAINED APPROX 1 GAL OF FUEL FROM FUEL LINE SHROUD, WAITED 10 MIN FUEL CAME OUT OF DRAIN IN A STREAM DRAINED APPROX 4 OZ OF FUEL, WAITED 2 HRS DRAINED APPROX 1 PT OF FUEL FROM LINE, FUEL LEAK RATE EXCEEDS 1 DROP IAW MIN REF MM.  REPLACED LEAKING LINE (180-0105) REF MM. LEAK CHECKED GOOD. NO FURTHER DEFECT NOTED.

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