As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT CREW WROTE UP "INERTIAL SEP R" CAS WARNING MESSAGE WAS DISPLAYED. UPON INVESTIGATION OF THE RIGHT ENGINE INERTIAL SEPARATOR, IT WAS FOUND THAT THE UPPER ATTACHMENT ROD END FOR THE INERTIAL SEPARATOR ACTUATOR HAD BROKEN OFF AT THE SHANK OF THE ROD END CAUSING THE ACTUATOR TO FLOAT AROUND AND NOT PROPERLY ACTUATE THE ICE VANE DOORS.