As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN BS 345 FLOORBEAM CORRODED UNDER CLIP NUT AT RBL 12 AND MATERIAL REMAINING AFTER CORROSION REMOVAL EXCEEDS SRM LIMITS. MAJOR REPAIR ACCOMPLISHED: FABRICATED TWO REPAIR ANGLES IAW SRM, NDT INSP OF CUTOUT ACCOMPLISHED WITH NO CRACKS FOUND, ALODINED AND PRIMED REPAIR PARTS IAW SRM AND INSTALLED PARTS.