As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLE - FLT 3973 - THE CREW REPORTED THAT AFTER TAKEOFF, THE FLAPS GOT STUCK AT THE 4 DEGREE POSITION. THE AIRCRAFT RETURNED TO CLEVELAND WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE RIGHT INBOARD FLAP ACTUATOR IAW EMB145 MM 27-51-09. OPERATIONAL CHECKS WERE GOOD. THE AIRCRAFT WAS RELEASED TO SERVICE. (M)