# SDR 2011FA0000566

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 2011
- Submitted: September 2, 2011
- Operation: General aviation
- Aircraft: N825WH
- Make and model: Amtr SONEX
- Aircraft serial: 0594
- Engine: Amtr 4AR1200VOLKS
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Crankshaft
- Condition: Broken
- 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/2011FA0000566

## Discrepancy

CRANK BROKEN AT FLANGE.  CAST CRANKSHAFT FAILURE.

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