# SDR 2011FA0000227

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 23, 2011
- Submitted: April 5, 2011
- Operation: General aviation
- Aircraft: [N480DA](https://openairdocs.org/aircraft/N480DA), registered now
- Make and model: Cirrus SR20
- Registry model: [Cirrus SR20](https://openairdocs.org/model/cirrus-design-sr20) (OpenAirDocs)
- Aircraft serial: 1822
- Aircraft time: 3,585 hours
- Engine: Cont IO360ES
- Engine time: 1,444 hours
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Crankcase
- Part number: 64928610
- Condition: Cracked
- Location: Engine
- Part time: 1,444 hours
- 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/2011FA0000227

## Discrepancy

DURING AN UNSCHEDULED INSP AFTER A PILOT REPORT OF AN OIL LEAK IT WAS DISCOVERED THAT THE ENGINE'S RT SIDE CRANKCASE HAD A 4 IN CRACK EMANATING FROM THE ALTERNATOR 1 MOUNT STUD HOLE.

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