As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FLAPS FAIL CAUTION MESSAGE ILLUMINATED ON APPROACH WITH THE FLAPS AT 20 DEGREES. THE CREW FOLLOWED THE QRH AND LANDED SAFELY. MAINTENANCE CLEARED CODES FROM THE FECU AND RESET THE SYSTEM IAW CRJ200 FIM 27-50-00. THE FLAP SYSTEM OPERATIONALLY CHECKED GOOD. THE AIRCRAFT WAS RELEASED FOR SERVICE.