# SDR 2001FA0000489

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 1, 2001
- Submitted: November 7, 2001
- Operation: General aviation
- Aircraft: [N61US](https://openairdocs.org/aircraft/N61US), registered now
- Make and model: Cessna 182S
- Registry model: [Cessna 182S](https://openairdocs.org/model/cessna-182s) (OpenAirDocs)
- Aircraft serial: 18280935
- Engine: Lyc IO540AB1A5
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Main Bearing
- Part number: LW13884
- Condition: Delaminated
- Location: Engine
- Part time: 60 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/2001FA0000489

## Discrepancy

FRONT MAIN BEARING DELAMINATION.  DEFECT AREA WAS ABOUT THE SIZE OF A DIME.  THERE WAS EVIDENCE OF SUBSURFACE FLAWS IN THE SURROUNDING AREA.  THE CAUSE WOULD BE IMPROPER MANUFACTURING.

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