What was found
WHILE IN HEAVY MX PERFORMING INSP, IT WAS NOTED THAT THE FUSELAGE SKIN JUST AFT OF EXISTING REPAIR LOCATED AT BS 680 STR 28R HAS A BULGE. REMOVED EXISTING STR SPLICE CUT OUT CORROSION DIM 3" AT BS 670 STR 28R. FABRICATED REPAIR SPLICE FROM 7075-0 DIM 12" X 4.3" HEAT TREATED TO T6, FABRICATED STR FROM BAC 1498-143 7075 T6 DIM 11.625", REPAIR SECTION FORM BAC 1498-132 7075 T6 DIM 14". INSTALLED REPAIR, NO OTHER DEFECTS WERE NOTED. ACFT WAS RETURNED TO SERVICE.