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 LT AFT CABIN FLOOR WEB AT STA 1170, LBL 26 IS CORRODED. REMOVED DAMAGE, FABRICATED DOUBLER FROM 7075 T6 .071" DIM 12" X 22". INSTALLED REPAIR, NO OTHER DEFECTS NOTED. ACFT WAS RETURNED TO SERVICE.