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 FRAME AT BS 1110 BETWEEN STR 27R AND 30 IS CORRODED. REMOVED DAMAGED AREA DIM 3.75" X .875", FABRICATED SHEAR TIE FROM 7075 T6 .071" DIM 3.125" X 4. INSTALLED SHEAR TIE, NO OTHER DEFECT NOTED. ACFT WAS RETURNED TO SERVICE.