# SDR UALA2011041101738

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 8, 2011
- Submitted: May 5, 2011
- Operation: Air carrier
- Aircraft: [N781UA](https://openairdocs.org/aircraft/N781UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26945
- Aircraft time: 60,119 hours, 10,736 cycles
- Engine: Pwa PW4077
- System (JASC): [7921 · Engine Oil Cooler](https://openairdocs.org/jasc/7921)
- Part: Heat Exchanger
- Part number: 52G159600U
- Condition: Leaking
- Location: Lt 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/UALA2011041101738

## Discrepancy

FUEL SEEPAGE UNDER LEFT ENG.  FUEL LEAKING FROM NR 1 ENG IDG AIR-OIL HEAT EXCHANGER, REPLACED PER MM.  OPS NORMAL NO LEAKS.

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