As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PAX DOOR SILL UPPER FLOOR SUPPORT ANGLE HAS EVIDENCE OF CORROSION AROUND FASTENER HOLES FOR TOP STEP HINGE AND ALONG OUTBOARD EDGE. C-CHECK RO 11/1/2020. PAX DOOR SILL UPPER FLOOR SUPPORT ANGLE WAS REPLACED FOR A NEW PART, DOOR MID CAP ANGLE, REF DWG AND CRJ 700 SRM.