As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING INSPECTION, A SMALL AMOUNT OF METAL PARTICLES WAS FOUND IN THE ENGINE OIL FILTER. INVESTIGATION REVEALED THE ABNORMAL WEAR TO THE CAMSHAFT AND THE CAM FOLLOWER WAS BADLY SPALLED. THE ENGINE WAS REMOVED AND SENT FOR REPAIR.