As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OIL SCREEN FULL OF METAL AND COLLAPSED. FOUND PIN PLUG NR 6 CYLINDER FAILED. PIN PLUG IN NR 2 CYLINDER EXPANDED AND LOOSENED. SUBMITTER STATED ALUMINUM PLUGS ARE SWAGED. MAYBE A RELIEF HOLE TO RELIEVE INTERNAL PRESSURE MIGHT BE CONSIDERED TO PREVENT EXCESSIVE WEAR.