# SDR CALA2013090290917

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 30, 2013
- Submitted: September 27, 2013
- Operation: Air carrier
- Aircraft: N598UA
- Make and model: Boeing 757222
- Aircraft serial: 28751
- Aircraft time: 56,366 hours, 15,780 cycles
- Engine: Pwa PW2037
- System (JASC): [7311 · Engine Fuel/Oil Cooler](https://openairdocs.org/jasc/7311)
- Part: B-Nut
- Condition: Leaking
- Location: Fuel-Oil Cooler
- Component: Fuel-Oil Cooler
- Component part number: 471111172
- 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/CALA2013090290917

## Discrepancy

OIL LEAK FROM INLET PORT B-NUT OF FUEL OIL COOLER.  REPLACED FUEL-OIL COOLER, RAN ENGINE NO LEAKS NOTED.

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