What was found
AFTER T/O, DURING FLAP RETRACTION, GOT STEADY AMBER LEADING EDGE FLAP LIGHT AT 2 DEG. CHECKED S/O PANEL, IT SHOWED NR 1 FLAP STILL EXTENDED CYCLED FLAPS, NO HELP. RETURNED TO AIRPORT AND LANDED UNEVENTFULLY. REPLACED NR 1 L/E FLAP SWITCH. CHECKS OK PER MM 27-82-404.