# SDR AU990567

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 9, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Engine: Cont O470R
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Crankshaft
- Part number: 459221
- Condition: Cracked
- Location: Engine
- Component: Cont, O470R
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AU990567

## Discrepancy

(AUS) CRANKSHAFT CRACKED IN TWO PLACES FROM THE CRANK GEAR DOWEL HOLE.  CRANKCASE MAIN TUNNEL MEASUREMENTS OUT OF LIMITS.   CAMSHAFT LOBES BREAKING UP.

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