What was found
THE SEC TRIM FAIL AMBER CAS MSG ILLUMINATED IN FLIGHT WITH THE AUTOPILOT ENGAGED & IN A CLIMB. SLIGHT NOSE DOWN FORCE WAS ENCOUNTERED AFTER AUTOPILOT WAS DISENGAGED. THEY INDICATED THEY WERE ABLE TO RE TRIM WITH AUTOPILOT OFF USING PRIMARY TRIM. TROUBLESHOOTING FOUND THE PITCH TRIM ACTUATOR PN 6627401000-009 SN BO299 DEFECTIVE. TOTAL TIME IN SERVICE FOR THIS ACTUATOR 992.2 HRS. THE FAULTY ACTUATOR WAS REMOVED & A TESTED UNIT INSTALLED. FUNCTIONAL CHECKS SATISFACTORY.