What was found
AFTER T/O DURING FLAP/SLAT RETRACTION, LEVEL 2 ALERT "AILERON DEFLECTED DISAGREE" ILLUMINATED. CREW FOLLOWED PROCEDURES IN VOL 1 QRH. RETURNED TO FIELD. LANDING NORMAL. MX CHECKED DEFLECTED AILERONS, ASSIGNED MEL 27-13-2 CAT "C". AIRCRAFT RETURNED TO SERVICE. REMOVED AND REPLACED FLAP HANDLE POSITION TRANSMITTER, OP'S CHECKED GOOD IAW 27-54-03, 27-50-00, 27-54-00 MEL CLEARED.