As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSENGER CABIN, BS 1681 FLOORBEAM CORRODED UNDER FASTENER HOLE INBD OF R4 CREASE BEAM. REMOVED CORROSION AND FOUND OUT OF LIMITS. CUT OUT DAMAGE AND NDT PERFORMED AND CONFIRMED NO DAMAGE REMAINS. FABRICATED AND INSTALLED REPAIR ANGLES. MAJOR REPAIR.