What was found
AFTER TAKEOFF, PILOT NOTICED THE RT WING OVERHEAT LIGHT ILLUMINATED & OBSERVED SMOKE IN THE COCKPIT. PILOT DECLARED AN EMER & RETURNED, LANDED WITHOUT INCIDENT. PERFORMED HIGH POWER ENG RUNS WITH THE RT BLEED AIR SYS ON & OFF, BUT COULD NOT DUPLICATE THE DISCREPANCY. INSPECTED THE BLEED AIR DUCTS, BLEED AIR SYS & WING OVERHEAT SYS WIRING, NO DISCREPANCIES NOTED. NO DISCREPANCIES HAVE BEEN REPORTED ON SUBSEQUENT FLIGHTS.