# SDR 99ZZZX2123

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 14, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N54844](https://openairdocs.org/aircraft/N54844), registered now
- Make and model: Cessna 172P
- Registry model: [Cessna 172P](https://openairdocs.org/model/cessna-172p) (OpenAirDocs)
- Aircraft serial: 17275065
- Engine: Lyc O320D2J
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Camshaft
- Part number: 76097
- Condition: Worn
- Location: Engine
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX2123

## Discrepancy

CAM LOBE WORN OUT CAUSING INTAKE VALVES ON NR 1 AND NR 2 CYLINDERS TO NOT FULLY OPEN.  SYMPTOMS WERE LOW TAKEOFF POWER (2,000 RPM) AND WOULD NOT IDLE.

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