What was found
FLIGHT 0741 DEPARTED MIA & CLIMBED TO CRUISE, CREW REPORTED WEATHER RADAR FLASHED BRIGHT ON THE INDICATOR THEN WENT INOPERATIVE. AIRCRAFT RETURNED BACK TO MIA WITH NO FURTHER INCIDENT & LANDED. MAINTENANCE CHECKED ALL WX RADAR WIRING, ALL WIRING FOUND GOOD, THE WEATHER RADAR RECEIVER TRANSMITTER WAS REMOVED AND REPLACED IAW BOEING 727 MM CH 34-41-00 AND THE WEATHER RADAR INDICATOR WAS REMOVED & REPLACED IAW BOEING 727 MM CH 34-41-01. THE WEATHER RADAR SYSTEM WAS FUNCTIONALLY TESTED IAW BOEING 727 MM CH 34-41-0 AND FUNCTIONALLY CHECKED GOOD. AIRCRAFT WAS RETURNED BACK TO SERVICE.