What was found
DFW - ON SHORT FINAL RECEIVE FIRE WARNING ON RIGHT ENGINE. LIGHTS ON WERE LOOP LIGHTS, MASTER CAUTION AND MASTER WARNING, LOOP A AND B AND RIGHT FIRE WARNING HANDLE. WARNING WENT OUT WHEN THROTTLE PULLED TO IDLE. LANDED DFW WITHOUT INCIDENT. REPLACED BROKEN CLAMP ON 13TH STAGE DUCTING. SYSTEM GROUND CHECKED NORMAL OPERATION.