# SDR 20010423CW006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 30, 2001
- Submitted: April 23, 2001
- Operation: General aviation
- Aircraft: [N467CM](https://openairdocs.org/aircraft/N467CM), registered now
- Make and model: Cessna 172R
- Registry model: [Cessna 172R](https://openairdocs.org/model/cessna-172r) (OpenAirDocs)
- Aircraft serial: 17280859
- Engine: Lyc IO360L2A
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Camshaft
- Part number: LN18840
- Condition: Worn
- Location: Lobes
- Part time: 590 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/20010423CW006

## Discrepancy

CAMSHAFT WORN ON  NR 5 LOBE.    CYLINDERS  NR 3 AND NR 4 INTAKE VALVE NOT OPENING FULLY. PILOT REPORTED ENGINE RUNNING ROUGH.

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