As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INSPECTION, METAL CONTAMINATION WAS DISCOVERED IN THE SPIN ON OIL FILTER. FURTHER INVESTIGATION FOUND NR 4 AND NR 6 CYLINDER INTAKE VALVE LIFT IN EXCESS. NR 6 CYLINDER REMOVED AND THE INTAKE LOBE OF NR 4/NR 6 CYLINDERS ON THE CAMSHAFT TO HAVE SEVERE WEAR AS WELL AS FACES OF THE TAPPETS. (X)