As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LINEAR ACTUATORS, P/N 206-062-721-001, AND 721-109, FAILED PREMATURELY DUE TO OVERSTAKING OF BEARING ROD END P/N 251401501299 CAUSING BEARING TO BE TIGHT AND BINDING WHERE ADJUSTMENTS ARE MADE. ACTUATOR MOTOR IS NOT STRONG ENOUGH TO OVERCOME BEARING STIFFNESS. SUBMITTER SUGGESTED USING BRG WITH LESS BREAK FREE FORCE THAT IS NOT STAKED SO TIGHT TO ALLOW FREE MOVEMENT OF BRG AND LINEAR ACTUATORS. (X)