# SDR 97ZZZX1102

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 3, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N150J](https://openairdocs.org/aircraft/N150J), registered now
- Make and model: Cessna 150J
- Registry model: [Cessna 150J](https://openairdocs.org/model/cessna-150j) (OpenAirDocs)
- Aircraft serial: 15069500
- Engine: Cont O200A
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder
- Part number: A50222
- Condition: Failed
- Location: Nr 4 Cyl Rocker
- Part time: 1,694 hours
- Stage of operation: IN
- Nature of condition: E, R
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZX1102

## Discrepancy

ENGINE RAN ROUGH ON START.  REMOVED COWLING.  RESTARTED ENGINE.  SHAKING VIOLENTLY.  REMOVED  ROCKER COVER.  ENTIRE ROCKER ARMS, PINS, AND BOSSES FELL IN COVER.  SUSPECT VALVE STUCK.

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