As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
*PASSENGER DOOR SILL ANGLE HAS CORROSION AT MULTIPLE AREAS AND EXFOLIATION THRU THE ANGLE AT THE DOOR CLOSED SENSOR. (MARKED) (C-CHECK) RO 2/04/2020 PAX DOOR SILL ANGLE IS OUT OF LIMITS PER REF CRJ 200 SRM, REMOVED AND REPLACED PAX DOOR SILL ANGLE WITH NEW REF BOMBARDIER DWG & REF CRJ 200 SRM. SEE CONTINUATION CARD FOR DETAILS. SEE ATTACHED TASK.