HOPEWELL, FL, USA
N9620X
CESSNA 210B
FLIGHT EXPERIENCED COMPLETE ENGINE FAILURE WHEN CRANKSHAFT FAILED DUE TO FATIGUE CRACKING OF THE CRANKSHAFT CHEEK BETWEEN THE NUMBER 1 AND 2 RODBEARING JOURNAL. DURING THE SUBSEQUENT FORCED LANDING THE AIRCRAFT COLLIDED WITH TREES DUE TO THE PILOT NOT WANTING TO LAND ON A DIRT ROAD DUE TO AN UNSAFE INDICATION ON THE NOSE LANDING GEAR. EXAMINATION OF THE ENGINES RECORDS REVEALED THE ENGINE HAD SUSTAINED SUDDEN STOPPAGE IN MUD 25 FLIGHT HOURS BEFORE THE CRANKSHAFT FAILURE. THE ENGINE WAS NOT DISASSEMBLED AND INSPECTED AT THAT TIME AS REQUIRED BY THE ENGINE MANUFACTURER. ADDITIONALLY IT WAS LEARNED THE ENGINE HAD 1788 TOTAL FLIGHT HOURS SINCE FACTORY OVERHAUL. THE MANUFACTURER RECOMMENDS THAT THE ENGINE BE OVERHAULED EACH 1600 FLIGHT HOURS.
Source: NTSB Aviation Accident Database
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