# SDR UALA2012071203751

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 11, 2012
- Submitted: August 24, 2012
- Operation: Air carrier
- Aircraft: [N672UA](https://openairdocs.org/aircraft/N672UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 30027
- Aircraft time: 45,852 hours, 11,859 cycles
- Engine: Pwa PW4056
- System (JASC): [7311 · Engine Fuel/Oil Cooler](https://openairdocs.org/jasc/7311)
- Part: Bypass Valve
- Condition: Leaking
- Location: Fuel/Oil Cooler
- Component: Fuel/Oil Cooler
- 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/UALA2012071203751

## Discrepancy

FOUND FUEL-OIL DRIPPING FROM STRUT DRAIN NR 1 ENG.  RAN NR 1 ENG FOUND FUEL OIL COOLER BYPASS VALVE LEAKING OUT OF LIMITS.  REPLACED FUEL OIL COOLER AND FUEL OIL COOLER BYPASS VALVE.

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