What was found
ON FINAL AT DSM, EXTENDED LANDING GEAR GOT 3 GREEN LIGHTS, RED DOORS LIGHT ON FORWARD PANEL AND AMBER RT MAIN GEAR DOOR LIGHT ON S/O PANEL. CYCLED GEAR, ALL INDICATIONS NORMAL. ACN RELEASED FOR SERVICE PER MEL/CDL. RT MAIN GEAR DOOR POSITION SWITCH SHOWS NO CONTINUITY WITH DOOR OPEN OR CLOSED. REMOVED AND REPLACED RT MLG DOOR WARNING SWITCH PER 727-200 MM 32-62-011. OPS CHECK NORMAL.