What was found
MCI - FLT 230 - ON APPROACH WHEN LANDING GEAR WAS EXTENDED, THREE GREEN LIGHTS APPEARED INITIALLY. ON 2-MILE FINAL, THREE RED LIGHTS ILLUMINATED. LANDING GEAR WAS EXTENDED BY EMERGENCY PROCEDURES AND MCI - FLT 230 - AN EMERGENCY WAS DECLARED. AIRCRAFT LANDED AND TAXIED TO GATE WITH NO INCIDENT. CLEANED AND LUBRICATED MAIN LANDING GEAR HANDLE IAW MM 32-31-0, OPERATIONAL CHECK NORMAL. (X)