As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INTERCOSTAL AT DD1 FS311-320 IS DENTED (C-CHECK RO 11/04/2021) REMOVED AND REPLACED PAX DOOR INTERCOSTAL AT DD1 FS311-320 IAW CRJ900 SRM 51-42-06-001-001-A01 AND DWG 601R31702 REV-N. COMPLIED WITH TASK CARD 51-900-1002-SKY. LEAK CHECK GOOD