As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
*PAX DOOR LOWER SILL AREA IS CORRODED BETWEEN FS310.00 THROUGH FS349.00. FLAGGED (C-CHECK) RO 01/07/2020 REMOVED AND REPLACED THE LOWER ANGLE AT PAX DOOR FUSELAGE CUT OUT LOWER SILL AREA BETWEEN FS.310 AND FS.349 WITH NEW REF. CRJ 200 SRM AND BOMBARDIER DWG. SEE CONTINUATION CARD FOR DETAILS.