As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN HEAVY MX PERFORMING INSP IT WAS NOTED THAT THE WEB AT BS 990 STR 27R-26R IS CORRODED. REMOVED DAMAGED SECTION DIM 1.750" X 2.5". FABRICATED FILLER FROM 7075 T6 DIM 1.750 X 2.5" AND DOUBLER FROM 7075 T6 .080" 15.125" X 4.25". INSTALLED REPAIR, NO OTHER DEFECTS WERE NOTED. ACFT WAS RETURNED TO SERVICE.