What was found
CLT - FLT 2228 - ON APPROACH TO CLT, CREW DID NOT RECEIVE GREEN LIGHTS WITH GEAR EXTENDED. TOWER FLY-BY WAS CONDUCTED, THEN THE ALTERNATE GEAR PROCEDURE WAS PERFORMED. SECOND TOWER FLY-BY CONDUCTED FOLLOWED BY AN UNEVENTFUL LANDING. MAINTENANCE REPLACED THE LANDING GEAR INDICATION LIGHTS. (M)