As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED A FLAPS FAIL CAUTION MESSAGE AFTER TAKEOFF FROM CLT AND RETRACTING FLAPS FROM EIGHT (8) DEGREES TO ZERO DEGREES. SPEED WAS APPROXIMATELY 175 KNOTS. AIRCRAFT RETURNED TO CLT AND LANDED WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT THE FLAP SYSTEM IAW THE FAULT ISOLATION MANUAL, CYCLED THE FLAP ELECTRONIC CONTROL UNIT (FECU) CIRCUIT BREAKERS AND PERFORMED CHECKS OF THE FLAP SYSTEM IAW THE AIRCRAFT MAINTENANCE MANUAL. NO DEFECTS WERE NOTED. AIRCRAFT RELEASED FOR SERVICE.