What was found
(CAN) UPON 100 HR INSPECTION, FOUND METAL CONTAMINATION IN OIL FILTER AND INLET SCREEN. NON-FERROUS (ALUMINUM) SHINY SHAVINGS. DISCUSSION WITH LOCAL ENGINE O/H FACILITY LEADED TO INVESTIGATION OF CYLINDER REMOVAL AND CONFIRMATION THAT PISTON PIN PLUGS ON CYLINDERS NR 1 & NR 2 WERE SHOWING EXTREME WEAR AGAINST CYLINDER WALL CAUSING MATERIAL TO BE MILLED AWAY AND CARRIED THRU THE SUMP TO THE SCREEN AND FILTER. ENGINE WAS O/H 05 JANUARY 2011, AND HAS OPERATED 423.3HRS SINCE O/H.