As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING A 100 HOUR ENGINE INSPECTION, LARGE METAL PRATICALS WHERE FOUND IN THE OIL SUCTION SCREEN. ALSO, AN EXCESSIVE AMOUNT OF METAL FOUND IN THE ENGINE OIL FILTER. SAMPLES OF METAL SENT FOR TESTING. DETERMINED METAL PARTICALS TO BE CRANK AND OR ROD BEARING MATERIAL. ENGINE REMOVE FROM SERVICE. NOTE: THIS IS THE SECOND ENGINE HAVE HAD THIS HAPPEN TO WITHIN THE LAST 1.5 YEARS.