As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING THE REMOVAL OF NR 1 AND NR 3 CYLINDERS TO INVESTIATE AN INCREASE IN OIL CONSUMPTION, FOUND THE NR 3 AND NR 4 CYLINDER INTAKE CAM LOBES WERE WORN ABNORMALLY. THE CORRESPONDING LIFTERS WERE NOT DAMAGED. THE ENGINE WAS REMOVED AND SENT FOR REPAIR.