What was found
DURING A 100 HR INSPECTION, FOUND A SMALL PIECE OF METAL IN THE SUCTION SCREEN. NO METAL WAS FOUND IN THE FILTER, INSPECTED PIECE AND DETERMINED TO BE FROM A PISTON, REMOVED OIL SUMP AND FOUND SEVERAL MORE PIECES, LOOKED INTO CASE. FOUND THE SKIRT OF NR 3 PISTON TO BE MISSING PIECES. REMOVED NR 3 CYLINDER AND FOUND NO DAMAGE TO THE CYLINDER, REMOVED REMAINING CYLINDERS AND FOUND NO DAMAGE. CYLINDER REMOVED 661.9 HRS AGO FOR AN ENGINE TEARDOWN AND REINSTALLED, TTSN: 3836.8, TTSO1832.6. PART HAD A CRACK THAT EXTENDED .5 INCH BEYOND THE BROKEN SECTION HEADED TOWARD THE OIL SCRAPER DRAIN HOLE. (K)