# SDR BSY2008F00009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 25, 2008
- Submitted: November 28, 2008
- Operation: Air carrier
- Aircraft: N25AN
- Make and model: Lear 35A
- Registry model: [Lear 35A](https://openairdocs.org/model/gates-learjet-35a) (OpenAirDocs)
- Aircraft serial: 35A259
- System (JASC): [8550 · Reciprocating Engine Oil System](https://openairdocs.org/jasc/8550)
- Part: O-Ring
- Part number: S9413117
- Condition: Cut
- Location: Dip Stick
- Stage of operation: NR
- 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/BSY2008F00009

## Discrepancy

AIRCRAFT ENROUTE, WHEN PILOT NOTICED A DROP IN OIL PRESSURE LT ENGINE.  SHUTDOWN ENGINE LANDED, NO PROBLEMS.  MAINT FOUND OIL DIP STICK, O-RING CUT, REMOVED AND REPLACED O-RING.  (K)

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