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 STR 27R STA 710 IS CORRODED. REMOVED DAMAGED SECTION OF STR AND FABRICATED NEW FROM BAC1498-144 7075 T6 DIM 20.5". INSTALLED STR, NO OTHER DEFECTS NOTED. ACFT WAS RETURNED TO SERVICE.