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 FLOORBEAM WAS FOUND WITH SEVERAL AREAS OF CORROSION ALONG ITS LENGTH. THE ENTIRE UPPER CAP WAS TRIMMED OFF FROM LBL 61 TO RBL 61 TO REMOVE THE CORRSOSION. A NEW CAP WAS MADE FROM ALUMINUM EXTRUSION AND INSTALLED PER ER/A 385627-14, REV A.