ANGORA, NE, USA
N39468
STINSON 108
THE PLT REPORTED THAT THE ENG BEGAN RUNNING ROUGH, THEN QUIT WHILE HE WAS FLYING OVER AN AREA OF ROUGH TERRAIN. HE REPORTED THAT AS HE WAS MAKING A FORCED LANDING, THE ACFT CAME IN CONTACT WITH A WASHED OUT DITCH, CARTWHEELED & HIT A FENCE. AN EXAM OF THE ENG REVEALED THAT THE #4 EXHAUST VALVE STEM HAD FAILED. THE #4 PISTON WAS DISINTEGRATED & PIECES WERE SCATTERED THRU-OUT THE INSIDE OF THE ENG, BUT THE VALVE HEAD WAS NOT FOUND. THE ENG HAD ACCUMULATED 555 HRS SINCE THE LAST MAJOR OVERHAUL.
Source: NTSB Aviation Accident Database
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