As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 5914 CLE TO GRB, SHORTLY AFTER TAKEOFF THE CREW RECEIVED A RUDDER OVERBOOST MESSAGE ON THEIR EICAS. THE CREW THEN RAN THEIR QRH AND DECIDED TO RETURN TO FIELD AND LANDED WITH OUT INCIDENT. MAINTENANCE ARRIVED AND FOUND THE RUDDER POWER CONTROL UNIT INOPERATIVE. MAINTENANCE REPLACED THE RUDDER PCU IAW EMB-145 MM 27-22-03 AS WELL AS CONDUCTED A FUNCTIONAL CHECK OF THE RUDDER SYSTEM WITH NO DEFECTS NOTED.