What was found
DURING APPROACH WHILE SELECTING FLAPS 1, RECEIVED F/CTL SLATS LOCKED MESSAGE WITH THE WING TIP BRAKE ACTIVATED. COMPLIED WITH COCKPIT OPERATING PROCEDURES. DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT WITH SLATS RETRACTED AND FLAPS 3. MAINTENANCE FOUND THE TORQUE LIMITER EXTENDED ON THE LEFT WING, NR 4 SLAT ACTUATOR. REPLACED THE SAME, LEAK AND OPERATIONAL CHECK OK.