What was found
MFG MANDATES THE REMOVAL DISASSEMBLY, AND INSPECTION OF THE ELEVATOR TRIM ACTUATOR AT 1000 HRS TT OR 6 YEARS. UPON REMOVAL OF THIS ACTUATOR, FOUND THAT THE GROOVED PIN HOLES IN HOUSING WERE MISDRILLED. THIS CAUSED THE PIN TO WEAR INTO THE ACTUATOR HOUSING. OPERATE 18 AIRCRAFT WITH THE SAME ACTUATOR IN THEM. AS ACTUATORS ARE REMOVED, WILL ADVISE. PICTURES ARE AVAILABLE OF THE HOUSING IN QUESTION IF NEEDED FOR YOUR CONSIDERATION. INSTALLING A NEW ACTUATOR IN THIS AIRCRAFT. (K)