What was found
DURING RUNUP JUST PRIOR TO TAKEOFF, THE CAD DISPLAYED AN ACTUATOR FAIL MESSAGE. MAITNENANCE PERSONEL ATTEMPTED 3 TIMES TO RESET THE ACTUATOR AND WAS UNSUCCESSFUL. ACFT PL'D ON THE PAD. A TEST FLIGHT EVAL FOUND ACTUATOR FAILS WHEN PICKING A/C UP TO A HOVER. ACTUATOR CAUTION IS ILLUMINATED ON CAD WITH YAW (Y) CAUTION ON PFD. SYSTEM STATUS PAGE DISPLAYS YAWSEMA INVAL. REPLACED YAW SEMA IAW AMM 67-20-00, 4-8; TEST FLIGHT COMPLETED OK IAW AMM 05-60-00, 6-12. NO FAULTS NOTED.