As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SERVICE DOOR SILL UPPER FLOOR SUPPORT ANGLE HAS EVIDENCE OF CORROSION AT FWD NUT PLATE HOLE. C-CHECK RO 1/5/2021. REMOVED AND REPLACED SERVICE DOOR SILL UPPER FLOOR SUPPRT ANGLE, REF CRJ 700 SRM 51-42-06-001-001-A01 AND CRJ 700 SRM 51-42-21-001-001-A01.