What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: NUMBER 1 IN TRANSIT KRUEGER LIGHT WOULD NOT EXTINGUISH WITH ASSOCIATED LEADING EDGE FLAPS TRANSIT LIGHT; AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT DFW. PERFORMED TROUBLESHOOTING PER FIM 27-88-00-810-805, REF WDM 27-81-11, FOUND LEADING EDGE FLAP 1 RETRACT SENSOR (S168) GROUND TERMINAL (GD614AC) LOOSE. SECURED GROUND TERMINAL (GD614AC), PER AMM20-50-11 AND AMM 27-88-11. ACCOMPLISHED LEADING EDGE FLAP AND SLAT PROXIMITY SENSOR TEST, PER AMM 27-88-11, OPERTIONAL CHECKS GOOD.