# SDR 2007UALA03714

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 13, 2007
- Submitted: September 21, 2007
- Operation: Air carrier
- Aircraft: N199UA
- Make and model: Boeing 747422
- Aircraft serial: 28717
- Aircraft time: 40,859 hours, 4,954 cycles
- Engine: Pwa PW4056
- System (JASC): [2820 · Aircraft Fuel Distribution System](https://openairdocs.org/jasc/2820)
- Part: Line
- Condition: Leaking
- Location: Fuel Transfer
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2007UALA03714

## Discrepancy

UNWANTED FUEL TRANSFER PROBLEM.   10-9-07   AFTER TROUBLESHOOTING, ISOLATED PROBLEM TO CRACKED & LEAKING LT SCAVENGE SYSTEM.  INSTALLED NEW SCAVENGE LINE PN 343U1023-35 REF 28-00-00-0201.  SCAVENGE SYS OP CHECKS OK FOR SERVICE.

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