As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CENTER INTERCOSTAL CORRODED AT DOOR DATUM 2 OF PAX DOOR. C-CHECK RO 11/24/2020. REMOVED AND REPLACED CENTER INTERCOSTAL AT DATUM 2 OF PAX DOOR, IAW CRJ 200 SRM. COMPLETED TASK CARD AND ATTACHED COMPLETED FORM 337. NO WEIGHT CHANGE NOTED.