As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE UPPER CAP OF THE FS 1681 PASSENGER FLOORBEAM WAS FOUND WITH SEVERAL AREAS OF CORROSION ALONG ITS LENGTH. THE UPPER CAP WAS TRIMMED OFF ALONG THE ENTIRE BEAM LENGTH TO REMOVE ALL CORROSION. A NEW UPPER CAP WAS FABRICATED FROM AN ALUMINUM EXTRUSION AND INSTALLED PER ER/A 380597-14, REV A.