# SDR 2020FA0000105

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 23, 2019
- Submitted: January 29, 2020
- Operation: General aviation
- Aircraft: [N401SL](https://openairdocs.org/aircraft/N401SL), registered now
- Make and model: Piper PA-32R-300
- Registry model: [Piper PA-32R-300](https://openairdocs.org/model/piper-pa-32r-300) (OpenAirDocs)
- Aircraft serial: 32R7887148
- Engine: Lyc TIO540*
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Camshaft
- Part number: LW19340
- Condition: Galled
- Location: Engine
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2020FA0000105

## Discrepancy

CAMSHAFT LOBES 1 AND 2 GALLING AND ERODED.  REDUCED LOBE LIFT OF VALVES RESULTED IN LOSS OF PERFORMANCE.  

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