NEW PHILADELPHI, OH, USA
N6505Y
PIPER PA-23-250
PLT FELT VIBRATION AND REDUCED POWER ON BOTH ENGINES TO IDLE. PLT HEARD A 'THUD' AND DISCOVERED THE LEFT PROPELLER HAD SEPARATED CUTTING THROUGH THE NOSE OF THE ACFT AS IT DEPARTED. THE PROPELLER WAS NOT LOCATED. TWO OF THE SIX PROPELLER BOLTS REMAINED WITH THE ACFT. METALLURGICAL EXAM OF THE TWO BOLTS REVEALED FATIGUE PROGRESSION STEMMING FROM NUMEROUS ORIGINS.
Source: NTSB Aviation Accident Database
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