# SDR CA110920011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 20, 2011
- Submitted: January 23, 2013
- Operation: Air carrier
- Make and model: Cessna 172N
- Registry model: [Cessna 172N](https://openairdocs.org/model/cessna-172n) (OpenAirDocs)
- Engine: Lyc O320H2AD
- System (JASC): [8500 · Engine (Reciprocating)](https://openairdocs.org/jasc/8500)
- Part: Engine
- Condition: Making Metal
- 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/CA110920011

## Discrepancy

(CAN) ON 100HR SCHEDULED INSPECTION, METAL DEBRIS FOUND IN OIL FILTER.  ON FURTHER INSPECTION, SCORING FOUND ON CAMSHAFT AND LIFTER "MISSING A CHUNK (OF METAL)". ACFT REMOVED FROM SERVICE, ENGINE REMOVED FROM AIRFRAME AND SENT FOR MAJOR O/H.

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