What was found
THE COMPONENT AS DESCRIBED WAS BROUGHT FOR INSPECTION AND WARRANTY REPAIR DUE TO FAILURE OF MOUNTING FLANGE TO THE TUBE. THE MOUNTING FLANGE SEPARATED FROM THE TUBE IN THE HEAT AFFECTED ZONE OF THE ATTACHING WELD. ADDITIONAL CONDITIONS THAT CONTRIBUTED TO THE FAILURE IS THE TUBE IS BEADED AT THIS ATTACH POINT. THE TUBE BASE MATERIAL APPEARS TO BE STRETCHED AND STRUCTURALLY CHALLENGED DUE TO BEADING OF THE TUBE. THE AIR BOX WAS INSPECTED IAW SB AND NO PROBLEM WAS OBSERVED. AN ADDITIONAL CRACK WAS REPAIRED ON THE MOUNTING EAR OF THE FLANGE.