As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REFERENCE NON ROUTINE CO50117. DURING C3 C-CHECK, INSP NOTED LT FLOORBEAM Y1292 HAS CORROSION IN VARIOUS NUT CLIP HOLES FROM FRAME 66 TO FRAME 68 (L2 DOOR AREA). MX R&R THE FLOORBEAM IAW THE REQUIREMENTS OF ENGINEERING AUTHORIZATION NR 19-53R-30587. UPON COMPLETION OF THE REPAIR, IT WAS INSPECTED AND FOUND ACCEPTABLE.