As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN FLOORBEAM BS 1640 HAS CORROSION ON UPPER ANGLE. UPPER AND LOWER SURFACES FROM LBL 58 TO RBL 58. FOUND TO BE OUT OF LIMITS IAW SRM 53-00-51, FIG. 101, DETAIL III. REMOVED, FABRICATED AND INSTALLED NEW FLOORBEAM IAW SRM 51-40-02 AND DRAWING 146N5089. MAJOR REPAIR