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. THE UPPER CAP FLANGE WAS TRIMMED OFF ALONG THE ENTIRE LENGTH OF THE BEAM TO REMOVE ALL OF THE CORROSION. A NEW ALUMINUM EXTRUSION CAP WAS FABRICATED AND INSTALLED PER ER/A 383326-14, REV A.