Aviation Accident Summary ATL85IA132

MARION, AL, USA

Aircraft #1

N46PC

PIPER PA-32R-300

Analysis

CRUISING AT 4000 FT MSL WHEN ENGINE VIBRATION OCCURRED AND BECAME SEVERE. REDUCED THROTTE BUT ROUGHNESS PERSISTED. UNABLE TO MNTN ALTITUDE WITH 2000 RPM AND 25 INCHES MAP. MADE FORCED LDG IN CORN FIELD. NOSE LDG GR COLLAPSED. ENGINE CHECKED OUT OKAY. ONE PROPELLER PIN BROKEN DUE TO FATIGUE. OPPOSITE OUTER BEARING RACE RUSTED AND BROKEN WITH FATIGUE FRACTURE. LUBRICANT WAS DRY AND CAKED ON BEARINGS AND BEARING RACE. 34 HRS SINCE 100-HR INSPECTION. 1084 HOURS SINCE PROP OVERHAUL.

 

Source: NTSB Aviation Accident Database

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