As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT SIDE SEAT RAIL ABOVE FLOOR HAS NUMEROUS CORROSION FROM FS 409+112 TO FS 449+85. C-CHECK RO 10/20/2020. REMOVED AND INSTALLED NEW LT SIDE SEAT RAIL SECTION FROM FS 409+112 TO FS 449+85, REF CRJ 200 AMM. SEE CONTINUE CARD FOR DETAILS.