What was found
AS PART OF A CONTINUOUS SURVEILLANCE PROGRAM, OPERATOR VISUALLY INSPECTED THE AREA AROUND THE TAPER PINS EACH 100-HOUR INSP. BEECH WROTE SB 2145 WHICH PERTAINS TO DISASSEMBLY AND INSPECTION OF THIS COMPONENT EACH 1,000 HOURS. AFTER THE FIRST 1,000-HOUR INSPECTION, OPERATOR VISUALLY INSPECTED THE SUPPORT EVERY 100 HOURS AND FOUND CRACKS AROUND THE TAPER PIN. TT: 1,400-1,700 HOURS. SUBMITTER STATED THIS IS A $1,400 PART WHICH COULD BE MADE STRONGER IN SUCH A HIGH VIBRATION AREA. SYSTEMATICALLY BALANCING THE PROPELLERS HAS NOT ELIMINATED THIS PROBLEM.