As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING AN HCK IN ATL, TWO CRACKS WERE FOUND IN THE VERTICAL WEB OF THE STA 237 FLOORBEAM. THE CRACKS ARE AT X=6 AND ARE APPROXIMATELY 1" LONG. THE CRACK ENDS ARE STOPPED DRILLED AND DOUBLER INSTALLED. 7075-T6511. REPAIRED PER EA 96-185017.