What was found
AT CRUISE, THE LEFT MAIN A GREEN INDICATION CAME ON, TRIED TO PUT TO GEAR DOWN NOTHING HAPPENED. USED THE ELECTRICAL OVERRIDE CHECK LIST AND GEAR CAME DOWN. REMOVED AND REPLACED THE LEFT MLG DOWNLOCK A HARNESS IAW MM 32-61-01, OPS CHECKS GOOD. PERFORMED GEAR SWING, OPS AND INDICATION CHECKS GOOD IAW MM 32-30-00.