What was found
LEADING EDGE FLAPS TRANSIT LIGHT ILLUMINATED ON DESCENT THEN ACTIONED QRH. DEBREIFED INBOUND CREW & RAN FLAPS UP & DOWN NO HELP LEADING TRANSIT LIGHT STILL ON UNLOCKING ACCOMPISHED LEADING EDGE FLAP AND SLAT PROXIMITY SENSOR TEST AMM 27-88-11-700-801 FOUND NO FAULTS WITH SENSORS. ACCOMPLISHED FIM 27-88 TASK 820 FOUND INBOARD TARGET AT #2L/E SLAT NOT SECURED. MEASURED GAPS WITHIN RANGE. SYSTEM OPS CHECK OK REF AMM 27-88-11-700-801. ACCOMPISHED LEADING EDGE FLAP AND SLAT PROXIMITY SENSOR TEST AMM 27-88-11-700-801 FOUND NO FAULTS WITH SENSORS. ACCOMPLISHED FIM 27-88 TASK 820 FOUND INBOARD TARGET AT #2L/E SLAT NOT SECURED. MEASURED GAPS WITHIN RANGE. SYSTEM OPS CHECK OK REF AMM 27-88-11-700-801.