As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE ENGINE WAS SENT FOR INSPECTION DUE TO METAL CONTAMINATION. AFTER DISASSEMBLY THE CAMSHAFT WAS FOUND TO HAVE SPALLING ON ALL THE LOBES, THE INTAKE LOBES BEING THE WORST. THIS SPALLING WAS THE CAUSE OF THE METAL CONTAMINATION. THE CAMSHAFT WAS REPLACED WITH A FACTORY NEW KIT.