What was found
AFTER TAKEOFF, AFTER GEAR LEVER MOVED TO "UP" LT INDICATED AMBER IN TRANSIT LIGHT ON, GEAR WAS CYCLED DOWN HAD 3 GREEN LIGHTS. BROUGHT GEAR UP, LT SIDE MAIN HAD RED GEAR UNDAFE INDICATION, GEAR DOWN W/3 GREEN. BLED LT MLG ACTUATOR IAW MM CH 32-10-00. PERFORMED LANDING GEAR EXTENSION AND RETRACTION IAW MM CH 32-30-00. OPS CHECK GOOD.