RALEIGH, MS, USA
N1581M
CESSNA 182P
THE AIRPLANE WAS IN CRUISE FLIGHT AT 3,000 WHEN THE ENGINE BEGAN TO RUN ROUGH AND VIBRATE. THE ENGINE THEN FAILED AND THE PILOT EXECUTED A FORCED LANDING TO ROUGH TERRAIN BELOW. THE AIRPLANE STRUCK TREES AND CAME TO REST. THE ENGINE WAS EXAMINED AND THE NO. 1 CYLINDER EXHAUST VALVE WAS FOUND FAILED AT THE VALVE STEM IN FATIGUE. THE OUTSIDE DIAMETER OF THE VALVE STEM EXHIBITED EXCESSIVE WEAR.
THE FATIGUE FAILURE OF THE NO. 1 EXHAUST VALVE FOR UNDETERMINED REASONS, AND THE LACK OF SUITABLE TERRAIN FOR THE FORCED LANDING.
Source: NTSB Aviation Accident Database
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