What was found
EMERGENCY LANDING DUE TO A LEADING EDGE FLAP TRANSIT LIGHT ILLUMINATING DURING A GO AROUND. NR 3 LEADING EDGE SLAT HAD AMBER LIGHT, THE REST WERE GREEN. AFTER TOUCH DOWN, THE NR. 3 LEADING EDGE SLAT TURNED GREEN, MADE FLAPS 15 FOR EMERGENCY LANDING. REMOVED THE NR. 3 LE PANELS. NR 3 SLAT FAULTS, NR 3 INBD SENSOR. ALSO FOUND LOWER SLAT TRACK INBD ROLLER NOT INSTALLED. INSTALLED THE ROLLER, SAFTIED AND INSTALLED 3 LE PANELS. ACCOMPLISHED LE FLAP SLAT OPS TEST IAW AMM 27-81 NO FAULTS OR FURTHER TROUBLE. A/C OK.