As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN FLOOR BEAM AT LBL 9.00 AND RBL 9.00, TOP CAP IS CORRODED FROM FS 559.00 TO FS 559.00+80 ON THE INBOARD SIDE. TO INCLUDE CROSS MEMBER CAP AT FS 559.00+80. C-CHECK RO 10/1/2020. REF CP 21424162 FOR LBL 9 BEAM CAP REPAIR. CROSS MEMBER CAP AT 559+80 REPAIRED, IAW CRJ 200 SRM REF CONTINUATION CARD FOR WORK PERFORMED.