As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HMV IN ATL, THE CABIN FLOORBEAM WAS FOUND CRACKED INTHE OP FLANGE AT STA 663, BL 0. THE UPPER CAP OF THE FLOORBEAM IS CRACKED COMPLETELY THROUGH THE HORIZONTAL FLANGE. ANOTHER CRACK EXISTED IN THE WEB JUST FWD OF THE DAMAGED CAP. THESE CRACKS WILL BE REPAIRED PER S/B 737-57-1210.