As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING AUDIT OF 1C TASK CARD 53-310-301(EXTERNAL ZONAL INSPECTION OF THE AFT FUSELAGE, FS621.00 TOFS755.00) FOUND AFT EQ BAY DOOR HAS DENTED CENTER INTERCOSTAL. (C-CHECK RO 10/29/2023) REMOVED DAMAGED INTERCOSTAL FROM AFT EQUIPMENT COMPARTMENT DOOR PER REF CRJ 200 SRM 51-42-06. INSTALLED THE NEW INTERCOSTAL ON AFT EQUIPMENT BAY DOOR PER MHI DWG# 600-35128, REV -H AND REF CRJ 200 SRM 51-42-06