# SDR AU510002211

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 11, 2005
- Submitted: June 6, 2006
- Operation: General aviation
- Make and model: Cessna U206G
- Registry model: [Cessna U206G](https://openairdocs.org/model/cessna-u206g) (OpenAirDocs)
- Engine: Cont IO520F
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Bearing
- Part number: SA642720
- Condition: Failed
- Location: Engine
- Part time: 1,429 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/AU510002211

## Discrepancy

CRANKSHAFT NR 2 MAIN BEARING SHELL PROTRUDING MORE THAN NORMAL OUTSIDE OF THE CRANKCASE SADDLE.  WHEN THE ENGINE WAS STRIPPED DOWN THE NR 2 BEARING SHELL LOCATED IN THE LT CRANKCASE FELL APART INTO AT LEAST FIVE PIECES.  DAMAGE TO THE CRANKCASE WAS ALSO FOUND DUE TO THE FORE AND AFT MOVEMENT OF THE BEARING.  SEVERE WEAR IN THE TANG LOCATING AREA.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.