# SDR 2014FA0000701

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 20, 2014
- Submitted: December 12, 2014
- Operation: General aviation
- Aircraft: [N8HT](https://openairdocs.org/aircraft/N8HT), registered now
- Make and model: Cessna 421C
- Registry model: [Cessna 421C](https://openairdocs.org/model/cessna-421c) (OpenAirDocs)
- Aircraft serial: 421C0618
- Engine: Cont GTSIO520L
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Crankshaft
- Part number: 653520
- Part serial: N12DA032
- Condition: Broken
- Location: Engine
- Part time: 350 hours
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2014FA0000701

## Discrepancy

CRANKSHAFT BROKEN AT NR 3 MAIN JOURNAL.  POSSIBLE INTERNAL FLAW AT MANUFACTURING.

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