LINCOLN, TN, USA
N9855P
PIPER PA-25-235
THE ACFT WAS MAKING A SWATH RUN SPRAYING CROPS WHEN THE ENGINE SUDDENLY LOST POWER WITH 200 YARDS OF LEVEL FIELD REMAINING FOR AN EMERGENCY LANDING. AFTER TOUCHDOWN THE PLT TURNED THE ACFT TO AVOID A COLLISION WITH TREES. DURING THE TURN THE NOSE OF THE ACFT DUG INTO THE GROUND CAUSING THE ACFT TO NOSE OVER. INSPECTION OF THE ENGINE REVEALED THAT THE MAGNETO COUPLING WAS LOCKED AND WOULD NOT ROTATE. FURTHER INSPECTION DISCLOSED EXCESSIVE PLAY IN THE PAWLS AND WORN STRIKER PINS AND SHAFT SPLINES. ACCORDING TO THE ACFT LOGBOOKS, AD 78-09-07 & AD 82-20-01 HAD BEEN COMPLIED WITH, 19 FLT HOURS PRIOR TO THE ACIDENT. HOWEVER, THE MAKE, MODEL, & SERIAL NUMBER OF THE MAGNETOS WERE NOT ENTERD AS REQUIRED.
Source: NTSB Aviation Accident Database
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