As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REMOVED ENGINE DUE TO FERROUS METAL IN FILTER. FOUND CAMSHAFT WORN AND LIFTER SPALLED. UPON FURTHER INSPECTION, FOUND NR 4 COUNTERWEIGHT ATTACHMENT ON CRANKSHAFT CRACKED AT COUNTERWEIGHT BUSHING. BUSHING HAS FOUR CRACKS. NO LOG ENTRY OF PROPELLER STRIKE.