As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
*RIGHT BL9 FLOOR SEAT RAIL FROM APPROX. AFT OF FS394.00 TO APPROX FS409.00+128 HAS CORROSION ALONG ITS LENGTH AROUND FASTENER HOLE AND NON MULTIPLE ELEMENTS. (MARKED) (C-CHECK) RO 2/9/2021 INSTALLED NEW SEAT RAIL AT RBL9 FROM F.S.394.00 TO F.S.409+128 IAW CRJ200 AMM 53-01-11-400-802