What was found
DURING TAKEOFF, ENGINE QUIT WHEN AIRCRAFT WAS AT 200 FEET AGL. AIRCRAFT CRASHED INTO A SWAMP. AIRCRAFT WAS DESTROYED, OCCUPANTS RECEIVED MINOR INJURIES. DURING POST-CRASH INVESTIGATION, THE ENGINE CRANKSHAFT WAS FOUND BROKEN AT THE NR 3 ROD BEARING JOURNAL FORWARD THROW AT THE ENTER MAIN BEARING JOURNAL. ENGINE TT IS 5,487 HRS AND TSO IS 1,281 HRS. NOTED IN THE MAINTENANCE RECORDS FOR THE ENGINE THAT A PROP STRIKE OCCURRED WITH APPROX 1,500 HRS TT. AT THAT TIME, ONLY A FLANGE RUN-OUT CHECK WAS ACCOMPLISHED. SUBMITTER SUGGESTED THAT THE CRANKSHAFT BE REPLACED AFTER ANY SUDDEN STOPPAGE OR PROP STRIKE. (X)