TEKAMAH, NE, USA
N7689
GRUMMAN G-164A
ON THE THIRD SPRAY RUN THE PILOT STATED THAT THE AIRCRAFT ENGINE HAD A LOSS OF POWER. HE ATTEMPTED TO FLY BACK TO THE AIRPORT BUT WAS FORCED TO MAKE AN EMERGENCY LANDING IN AN OPEN FIELD. DURING THE LANDING ROLL THE AIRCRAFT NOSED OVER IN THE SOFT MUD. ENGINE TEARDOWN REVEALED A CAMSHAFT ROLLER, P/N 59-99, FAILED CAUSING A VALVE TO STICK IN THE OPEN POSITION.
Source: NTSB Aviation Accident Database
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