What was found
WHEN FLAP/SLAT HANDLE WAS PLACED TO 1 DEGREE, THE LEADING EDGE SLATS DISAGREE LIGHT ILLUMINATED AND FLAP INDICATOR SHOWED .5 DEGREE. ALTERNATE FLAP SYSTEM WAS USED AND THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND OVERLOAD INDICATOR ON NR 3 SLAT TRIPPED (NR 6 ROTARY ACTUATOR). THE NR 6 ROTARY ACTUATOR WAS REMOVED AND REPLACED IAW MM 27-81-18. A BITE CHECK WAS PERFORMED ON FSEU WITH NO DEFECTS NOTED. THE SLATS AND FLAPS WERE RUN THROUGH SEVERAL CYCLES WITH NO DEFECTS NOTED.