What was found
AIRCRAFT RETURNED DUE TO DURING CLIMB, THE RADAR MONITOR IMAGE DISAPPEARED, INDICATING "ANT FAULT". MAINTENANCE PERSONNEL REPLACED AND TESTED THE WEATHER RADAR ANT AND RECEIVER TRANSMITTER IAW MM 34-41-01/-04 AND MM 34-41-00, ALL CORRECT. THE OVERWEIGHT INSPECTION WAS NOT NECESSARY DUE TO THE AIRCRAFT LANDED WITH 135,000 POUNDS AND THE MAXIMUM ALLOWABLE LANDING WEIGHT IS 139,500 POUNDS.