What was found
SJU - FLT 1751 - WHEN FLAPS SELECTOR AT 5 DEGREES AMBER LEADING EDGE FLAPS LIGHT ILLUMINATED. ON LEO TEST PANEL, NO LIGHT FOR LEO FLAP 1. RECYCLED FLAPS BACK TO DEGREES AND THEN 5 DEGREES WITH SAME RESULTS. COMPLETED LEADING EDGE ASSY EMERGENCY CHECKLIST AND LANDED DFW WITHOUT FURTHER INCIDENT. REPLACED NR 1 LEADING EDGE SLAT POSITION SWITCH. CYCLED FLAPS SEVERAL TIMES. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)