# SDR WVBA00799

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 1, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N3527U](https://openairdocs.org/aircraft/N3527U), registered now
- Make and model: Piper PA-31-350
- Registry model: [Piper PA-31-350](https://openairdocs.org/model/piper-pa-31-350) (OpenAirDocs)
- Aircraft serial: 317952141
- Engine: Lyc TIO540J2BD
- System (JASC): [8550 · Reciprocating Engine Oil System](https://openairdocs.org/jasc/8550)
- Part: Regulator
- Part number: 7708
- Condition: Leaking
- Location: Crankcase
- Part time: 665 hours
- Component: 77808
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WVBA00799

## Discrepancy

OIL WAS OBSERVED ON SIDE OF COWLING ON POST-FLIGHT AND IN THE BOTTOM OF COWL.  ALSO, AFTER REMOVING COWL, OIL WAS OBSERVED COMING FROM AROUND THE THREADS OF OIL PRESSURE REGULATOR.  REGULATOR WAS REPLACED.  (X)

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