What was found
NOSE GEAR DOWN AND LOCKED LIGHTS FAILED TO ILLUMINATE WITH LANDING GEAR SELECTED DOWN FOR LANDING AT NOME, ALASKA. AN UNEVENTFUL LANDING WAS PERFORMED AT NOME. THE PILOT VISUALLY INSPECTED THE GEAR AFTER LANDING AND AFTER WIGGLING THE NOSE GEAR DOWN AND LOCKED SWITCH, GOT DOWN AND LOCKED INDICATION. AIRCRAFT RETURNED TO ANCHORAGE AND MAINTENANCE ADJUSTED THE DOWNLOCK SWITCH. SYSTEM OPERATION CHECKED GOOD.