As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CMH - FLT 3350 - CREW REPORTED THAT THE LEFT INBOARD FLAP HAD A UNCONTROLLED EXTENSION TO ASYMMETRY 25 DEGREES. AIRCRAFT DIVERTED TO CMH WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE FLAP CONTROL UNIT IAW EMB-120MM 27-50-06, OPERATIONAL CHECKS WERE SATISFACTORY. AIRCRAFT RELEASED FOR SERVICE. (M)