As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE RT FLOOR SILL JUST AFT OF FS559.00+80 TO JUST AFT OF FS559.00+112 HAS MULTIPLE LOCATIONS OF CORROSION (MARKED). C-CHECK RO 9/1/2020. REMOVED CORROSION ON RT FLOOR SILL JUST AFT OF FS559.00+80 TO JUST AFT FS559.00+112, REF CRJ 200 SRM, FLOOR SILL WAS OUT OF LIMITS PER BOMBARDIER REO. REMOVED AND REPLACED FLOOR SILL (WITH NEW) REF MHIRJ REO, & BOMBARDIER DWG. SEE CONTINUATION CARD FOR DETAILS.