What was found
MKE/GRR - FLT 1833 - FLIGHT CREW SELECTED THE LANDING GEAR DOWN ON FINAL APPROACH. WHEN THE LANDING GEAR EXTENDED, THE RT MAIN GEAR DOWN AND LOCKED ANNUNCIATOR DID NOT ILLUMINATE. THE CREW PERFORMED ALL NECESSARY LANDING GEAR CHECKS, THEN MADE A SAFE LANDING AT GRR. ONCE ON THE GROUND, THE GEAR WAS PINNED AND THE A/C WAS TAXIED BACK TO THE GATE. UPON INSPECTION, MAINTENANCE FOUND THE RT MAIN GEAR ANNUNCIATOR BULBS BURNED OUT, THE BULBS WERE REPLACED, AND OPS CHECKED GOOD. (X)