# SDR YAA2012F00000

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 25, 2012
- Submitted: December 7, 2012
- Operation: Air carrier
- Aircraft: N20109
- Make and model: Cessna 172M
- Registry model: [Cessna 172M](https://openairdocs.org/model/cessna-172m) (OpenAirDocs)
- Aircraft serial: 17261017
- Engine: Lyc O320E2D
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Crankshaft
- Part number: LW11853
- Part serial: 90823
- Condition: Broken
- Location: Engine
- Stage of operation: NR
- 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/YAA2012F00000

## Discrepancy

CRANKSHAFT BROKE IN FLIGHT AND PROPELLER DEPARTED ENGINE.

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