# SDR CA090115009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 2, 2008
- Submitted: March 5, 2009
- Operation: General aviation
- Engine: Lyc TIO540J2BD
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Counterweight
- Condition: Broken
- Location: Crankshaft
- Stage of operation: NR
- How discovered: O
- Nature of condition: T
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA090115009

## Discrepancy

CRANKSHAFT COUNTERWEIGHT EAR FAILED CAUSING COUNTERWEIGHT TO PUNCTURE CRANKCASE.

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