What was found
WHEN GEAR HANDLE SELECTED TO DOWN POSITION LEFT MAIN GEAR LIGHT DID NOT ILLUMINATE. GEAR NOT LATCHED RED LIGHT ILLUMINATED. CYCLED GEAR WITHOUT IMPROVMENT, AFTER THIRD CYCLE 3 GEAR INDICATION, AND GEAR UNLATCHED LIGHT OUT. CYCLED GEAR, COULD NOT DUPLICATE PROBLEM. VISUALLY INSPECTED GEAR FOR DEFECTS, NONE FOUND. GREASED GEAR AND REPLACED DOWN LOCKSWITCH AS PRECAUTION.