# SDR 2026FA0000517

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 13, 2026
- Submitted: June 15, 2026
- Operation: General aviation
- Aircraft: [N6789W](https://openairdocs.org/aircraft/N6789W), registered now
- Engine: Cont C858FJ
- Engine time: 16 hours
- System (JASC): [8550 · Reciprocating Engine Oil System](https://openairdocs.org/jasc/8550)
- Part: Bearing
- Condition: Improper Part
- Location: Zone 200
- Part time: 16 hours
- Component: Engine, Cont, C8512F
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2026FA0000517

## Discrepancy

ENGINE REMOVED FOR INSPECTION DUE TO LOW OIL PRESSURE.  ON DISASSEMBLY DISCOVERED .020 UNDERSIZE CRANKSHAFT RUNNING IN .010 BEARINGS.

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