As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
POTENTIAL CRACK ON PAX DOOR INTERCOSTAL AT DD1 AFT SIDE OF DOOR. (MARKED) (C-CHECK RO 7/27/2021) REMOVED DAMAGED INTERCOSTAL. REPLACED AND INSTALLED NEW DD1 INTERCOSTAL P/N 601R31902-318 REF. CRJ200 SRM 51-42-06, AND DWG# 601R31702 REV -N. COMPLIED WITH 51-900-1003-SKY