# SDR CA030627007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 9, 2003
- Submitted: July 14, 2003
- Operation: General aviation
- Make and model: Cessna 150M
- Registry model: [Cessna 150M](https://openairdocs.org/model/cessna-150m) (OpenAirDocs)
- Aircraft time: 9,443 hours
- Engine: Cont O200A
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Screw
- Part number: 21153
- Condition: Loose
- Location: Cylinder Head
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA030627007

## Discrepancy

(CAN) ROCKER SHAFT SET SCREW BECAME LOOSE AFTER 148.1 HRS OF OPERATION AND WORE THE ROCKER SHAFT BOSS IN CYLINDER HEAT MAKING THE CYLINDER UNSERVICEABLE.

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