# SDR 2003FA0001222

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 4, 2003
- Submitted: December 9, 2003
- Operation: General aviation
- Engine: Cont IO520F
- System (JASC): [8500 · Engine (Reciprocating)](https://openairdocs.org/jasc/8500)
- Part: Crankcase
- Part number: 649043
- Part serial: 139109RS
- Condition: Broken
- Location: Engine
- Part time: 3,497 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/2003FA0001222

## Discrepancy

THIS ENGINE WAS DISMANTLED FOR OVERHAUL, FOUND THE REAR CENTER MAIN BEARING SADDLE ON THE LEFT SIDE OF THE CRANKCASE IN A CONDITION THAT APPEARS TO BE CRUMBLING APART.

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