What was found
DURING 100-HOUR INSPECTION NOTED DURING COMPRESSION TEST THAT NR 1 AND NR 3 CYLINDERS WERE LEAKING BY EXHAUST VALVES. WHEN CYLINDERS WERE REMOVED FOR REPAIR, FOUND NR 3 CYLINDER INTAKE PUSH ROD WAS DAMAGED. CAP PORTION AT ROCKER ARM END PULLED OUT OF ROD AS IT WAS BEING REMOVED. UPON MEASURING OLD PUSH ROD P/N 73806 AGAINST NEW, IT WAS FOUND TO BE .1250 INCH SHORTER. ENGINE HAS 1,363.27 HOURS SMOH AND A TOTAL TIME OF 3,806.27 HOURS.