PLAINFIELD, IL, USA
N8927F
HUGHES 269A
WHILE MANEUVERING AT ABOUT 4 FEET ABOVE GROUND LEVEL THE PILOT EXPERIENCED A LOSS OF ENGINE POWER AND ENTERED AN UNCONTROLLED RIGHT TURN AND DESCENT, COLLIDING WITH THE GROUND. THE ENGINE POWER LOSS WAS DUE TO THE FAILURE OF A STUD AND BOLT HOLDING THE CRANKSHAFT IDLER GEAR SHAFT IN PLACE. THIS FAILURE CAUSED THE CRANKSHAFT IDLER GEAR TO DISENGAGE FROM THE CRANKSHAFT AND CAMSHAFT MAIN GEARS, RESULTING IN POWER LOSS.
Source: NTSB Aviation Accident Database
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