What was found
DFW - FLT 0432 - AFTER TAKEOFF, FLAPS WERE SELECTED UP AND THE CREW RECEIVED A FLAP ASYMMETRY MESSAGE ON MFDU. AIRCRAFT RETURNED AND LANDED DFW WITHOUT INCIDENT. REPLACED RIGHT HAND MIDDLE FLAP SYNCRO AND CYCLED FLAPS WITH NO FAULTS. SYSTEM GROUND CHECKED, NORMAL OPERATION. (X)