# SDR UALA2011110906117

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 7, 2011
- Submitted: November 23, 2011
- Operation: Air carrier
- Aircraft: [N672UA](https://openairdocs.org/aircraft/N672UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 30027
- Aircraft time: 43,348 hours, 11,295 cycles
- Engine: Pwa PW4056
- System (JASC): [7921 · Engine Oil Cooler](https://openairdocs.org/jasc/7921)
- Part: Heat Exchanger
- Part number: 52G159600U
- Condition: Leaking
- Location: Nr 2 Engine
- Stage of operation: IN
- 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/UALA2011110906117

## Discrepancy

DURING ENGINE RUNS, EVIDENCE OF A LEAK POSSIBLE FUEL, DRIPPING OUT OF NR 2 ENGINE DRAIN VENT.  FOUND DRAIN NR 2 (AIR-OIL HEAT EXCHANGER VALVE) LEAKING AT 15 DROPS A MINUTE DURING ENG OPERATION & CEASES WITH ENG NOT RUNNING.  OK FOR 50 FLT HRS.  AIR OIL HEAT EXCHANGER 645-3769 ON AOG X3213.  REMOVED AIR OIL HEAT EXCHANGER AND INSTALLED NEW ONE UP TO STEP E5 ITEM T1.  NEED TO SAFETY FUEL LINES AND INSTALL ACCOUSTICAL PANEL.

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