What was found
(CAN) A FEW PIECES OF NON-FERROUS MATERIAL WERE FOUND AT 1375.8 HOURS. FILTER RE-INSPECT SCHEDULED. SUBSEQUENT FILTER INSPECTION SHOWED HEAVY CONTAMINATION. ALL CYLINDERS REMOVED, FOUND PISTON PINS AND PLUGS NOT FLOATING. TWO PLUGS WERE WORN EXTENSIVELY. ALL PISTONS REMOVED FOR INSPECTION AND CLEANING, NO DAMAGE NOTED TO CYLINDER WALLS. PISTONS RE-INSTALLED WITH NEW PLUGS. ACCESSORY DRIVE COVER AND SUMP REMOVED FOR INSPECTION AND CLEANING. NO FURTHER EVIDENCE OF CONTAMINATION FOUND. NO FURTHER DAMAGE FOUND.