As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PAX DOOR AFT DD3 INTERCOSTAL IS CORRODED (C-CHECK RO 7/11/2023) REMOVED AND REPLACED THE PAX DOOR AFT DD3 INTERCOSTAL REF DWG 601R31702 REV. N AND CRJ 200 SRM 51-42-06 , COMPLIED WITH 51-900-1003-SKY (CL600-2B19) STRUCTURAL MAJOR REPAIR (**RII**). SEE CONTINUATION FOR DETAILS.