As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT, CYAN FCS NO DISPATCH CAS POSTED. CREW WAS ABLE TO CLEAR AND LANDED WITHOUT INCIDENT. DOWNLOADS INDICATED THAT THE REU DETECTED A FORCE FIGHT BETWEEN ELEVATOR ACTUATORS, I.E., ELEVATOR ACTUATORS FORCING IN OPPOSITE DIRECTIONS ON THE SAME SURFACE OF THE ELEVATOR. REPLACED LEFT EBHA ACTUATOR IAW GULFSTREAM G500 AMM 27-33-02. REMOVED AND REPLACED REU #7 IAW AMM 27-04-01.