What was found
ON APPROACH TO ROA, PUT GEAR HANDLE DOWN, NOSE GEAR LIGHTS DIDN'T COME ON. CYCLED GEAR TWICE, SAME RESULT. THIRS TIME OF CYCLING GEAR, NOSE GEAR LIGHTS ILLUMINATED. ALL HYD NORMAL. MAINTENANCE REPLACED LANDING GEAR CONTROL UNIT AND INDICATOR. ALL INDICATIONS CHECKS ARE GOOD, NO OTHER DEFECTS NOTED. ALL OTHER SYSTEMS OPS CHECK GOOD.