As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RH SIDE SEAT RAIL BETWEEN FS. 863 AND FS. 969 HAS CORROSION IN MULTIPLE AREAS (C-CHECK RO 6/29/2021) REMOVED RH SIDE SEAT RAIL IAW CRJ 700 AMM 53-00-49-000-801-A03, FABRICATED A SERVICABLE SEAT RAIL AND INSTALLED IAW REO 670-53-00-587 AND 53-00-49-400-801-A03.