What was found
MAIN GEARBOX S/N A6-168 WAS REMOVED FOR OVERHAUL FROM THE AIRCRAFT. THE 2ND STAGE ASSY WAS DISASSEMBLED AND CAM ASSY WAS REMOVED AND CLEANED FOR NDT INSPECTION. UPON INSPECTION FROM NDT, 2 CRACKS WERE FOUND TO BE LOCATED ON GEAR TOOTH AREA. EACH CRACK APPROXIMATELY 2 INCHES APART AND TRAVELING .125 INCH UP IN LENGTH, FROM THE BOTTOM OF GEAR TOOTH AREA ON CAM ASSY. E8KL (M) TONY CHECK THIS