As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NUMEROUS CRACKS AROUND FASTENERS ON FLOORBEAM WEB AT STA 718 BL 0 ABOVE MAIN LANDING GEAR BAY. REPAIRED NUMEROUS CRACKS AROUND FASTENERS ON FLOORBEAM WEB AT STA 718 BL 0 ABOVE MAIN LANDING GEAR BAY, BY REPLACING WEB IAW DWG 65-45410, NEW SPLICE PARTS FABRICATED AND INSTALLED IAW B737 SB 737-57-1210 REV 4.