What was found
FLT 1804 - LAX - AT FL 270, THE AMBER LEADING EDGE FLAP LIGHT ILLUMINATED, WITH CORRESPONDING NR 5 KRUEGER INDICATOR ON THE LEADING EDGE ANNUNCIATOR PANEL. THE LIGHT STAYS ON CONTINUOUSLY. AIRCRAFT MADE AN UNEVENTFUL RETURN TO LAX. REMOVED AND CLEANED CONNECTOR. CYCLED FLAPS. INSPECTED NR 5 KRUEGER FLAP. NO DEFECTS NOTED. CANNOT DUPLICATE PROBLEM ON GROUND. OPS CHECK GOOD ON GROUND. AIRCRAFT RETURNED TO SERVICE. (M)