# SDR 2023FA0000376

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 7, 2021
- Submitted: July 20, 2023
- Operation: General aviation
- Aircraft: [N9953H](https://openairdocs.org/aircraft/N9953H), registered now
- Make and model: Cessna 182R
- Registry model: [Cessna 182R](https://openairdocs.org/model/cessna-182r) (OpenAirDocs)
- Aircraft serial: 18268139
- Aircraft time: 4,096 hours
- Engine: Cont O470U
- Engine time: 840 hours
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Camshaft
- Part number: SA535661
- Part serial: 18175141
- Condition: Distressed
- Location: Engine
- Part time: 261 hours
- Stage of operation: IN
- How discovered: V
- Nature of condition: Z
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2023FA0000376

## Discrepancy

DURING ROUTINE MAINTENANCE SEVERE DISTRESS OF CAMSHAFT LOBE AND LIFTERS WAS IDENTIFIED. THE MAINTENANCE WAS CARRIED OUT DURING INTERNATIONAL TRAVEL, IN AUSTRALIA. PLEASE CONTACT ME FOR PHOTOGRAPHS/ENGINE INSPECTION REPORT.

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