# SDR 2008UALA01810

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 31, 2008
- Submitted: April 1, 2008
- Operation: Air carrier
- Aircraft: [N209UA](https://openairdocs.org/aircraft/N209UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30215
- Aircraft time: 34,253 hours, 4,640 cycles
- Engine: Pwa PW4090
- Engine time: 41,701 hours, 5,949 cycles
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Oil Filter
- Condition: Clogged
- Location: Nr 2 Engine
- Stage of operation: NR
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2008UALA01810

## Discrepancy

ENG OIL FILTER R RIGHT ENGINE PRIMARY OIL FILTER APPROACHES BYPASS (LARGE PRESSURE DIFFERENTIAL ACROSS NORMAL FILTER) WITH ENGINE RUNNING.  REPLACED OIL FILTER & CHANGED OIL.

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