# SDR 2005FA0000704

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 12, 2004
- Submitted: May 12, 2005
- Operation: General aviation
- Aircraft: [N10FF](https://openairdocs.org/aircraft/N10FF), registered now
- Make and model: Cessna 421C
- Registry model: [Cessna 421C](https://openairdocs.org/model/cessna-421c) (OpenAirDocs)
- Aircraft serial: 421C0082
- Engine: Cont GTSIO520*
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Main Bearing
- Part number: 634503
- Condition: Delaminated
- Location: Engine
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2005FA0000704

## Discrepancy

NR 3 MAIN BEARING APPEARED TO DELAMINATE.  ALL THE BRASS OR BRONZE SEPARATED FORM THE BEARING SHELL.  THE CRANKSHAFT, NR 3 JOURNAL DOES NOT SHOW SIGNS OF OIL STARVATION. (K)

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