As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHV DURING C CHECK INSPECTION, THE RT FLOORBEAM AT FRAME 20 WAS FOUND TO HAVE CORROSION AT NUTPLATE HOLES AND UNDER DOUBLER. MAINTENANCE REMOVED DAMAGED SECTION AND PERFORMED A FLOORBEAM REPAIR IAW EC 5320-01077. THE AIRCRAFT WAS APPROVED TO RETURN TO SERVICE.