As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLT - FLT 1693 - EN ROUTE TO TYS, 'GND/FLT CTL' MESSAGE APPEARED ON MULTI FUNCTION DISPLAY. THIS MESSAGE APPEARED THEN RESET FIVE DIFFERENT TIMES. FLIGHT RETURNED TO CLT WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE RIGHT MAIN LANDING GEAR UPPER HARNESS AND CONNECTOR J1120B. (M)