As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MID CABIN FLOOR STRUCTURE FLOORBEAM AT STA 720 HAS CORROSION FROM RBL 30 AND RBL 40. FABRICATED REPAIR PARTS AND INSTALLED AT DAMAGE PART OF THE FLOORBEAM UPPER CHORD AT MID CABIN FLOOR STA 720 FROM RBL 33 TO RBL 50. REF SRM 53-00-51 AND SRM 51-40-02. TREATED AND PRIMED REWORKED AREA AND THE REPAIR PARTS REF SRM 51-20-1.