As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN ADDING POWER TO HOVER, ACTUATOR LIGHT ILLUMINATED ON THE CAD AND COULD NOT RESET. TEST FLIGHT EVALUATION REVEALED DURING RUN-UP AIRCRAFT FAILED THE FIRST AP TEST. AP1 AND ACTUATOR MESSAGE ON CAD WITH AMBER (Y) YAW ON PFD. AIRCRAFT PASSED THE NEXT 2 AP TESTS, BUT ACTUATOR MESSAGE DISPLAYED ON CAD WITH AMBER (Y) ON PFD AS SOON AS COLLECTIVE WAS RAISED FOR TAKEOFF. REPLACED YAW SEMA S/N IAW AMM 67-20-00.