As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLOOR SUPPORT STRUCTURE FLOOR BEAM, LBL9 FROM APPROXIMATELY FS409+4 TO FS409+96 HAS CORROSION (MARKED). C-CHECK RO 9/1/2020. REPAIRED FLOOR BEAM, LBL9 FROM APPROXIMATELY FS409+4 TO FS409+96 REF CRJ-200-SRM AND REO. SEE CONTINUATION CARD FOR DETAILS.