As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN ACCORDANCE WITH WORK ORDER 54253/2000/0054 PART WAS MODIFIED WITHOUT ENGINEERING APPROVAL. PAX DOOR SILL FLOOR SUPPORT ANGLE HAS CORROSION ADJACENT TO AFT PAX DOOR CLEAT AT FS 342. REMOVED THE UNSERVICEABLE FLOOR SILL & INSTALLED A SERVICEABLE FLOOR SILL IAW CRJ 200 SRM 51-42-21,51-42-06, 51-42-15, 51-45-00.