As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RH SIDE SEAT RAIL FS 661.00+90 TO FS 670 IS CORRODED SEVERAL PLACES. (C-CHECK) RO 2/1/2021 REMOVED AND REPLACED SIDE SEAT RAIL IN MID CABIN AT FS661.00+90 TO FS670.00 ON RIGHT HAND SIDE IAW CRJ 900 AMM 53-00-49-400-801 (CONFIG A07) (SEE CONTINUATION FOR FUTHER DETAILS)