As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLAP FAILURE MESSAGE ON TAKEOFF, QRH FOLLOWED, DECLARED EMERGENCY AND RETURNED TO THE AIRPORT. MAINTENANCE INSPECTED FLAP CONTROL SYSTEM AND FOUND A FAILURE WITH THE FLAP ELECTRONIC CONTROL UNIT (FECU). FECU REPLACED PER BOMBARDIER AMM 27-50-00. (S)