# SDR J792003F00002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 6, 2003
- Submitted: June 24, 2003
- Operation: Air carrier
- Aircraft: [N95KM](https://openairdocs.org/aircraft/N95KM), registered now
- Make and model: Beech 58
- Registry model: [Beech 58](https://openairdocs.org/model/beech-58) (OpenAirDocs)
- Aircraft serial: TH1315
- Engine: Cont IO550C
- System (JASC): [8510 · Reciprocating Engine Front Section](https://openairdocs.org/jasc/8510)
- Part: Seal
- Part number: 641250
- Condition: Leaking
- Location: Engine
- Part time: 497 hours
- 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/J792003F00002

## Discrepancy

DURING ANNUAL 100 HOUR INSPECTION, FOUND RIGHT ENGINE CRANKSHAFT SEAL LEAKING.  REPLACED WITH NEW PN 641250.  LEAK CHECK, OK.  SUSPECT LEAK CAUSED BY WEAK SEALANT AND TSMOH.

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