As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PAX DOOR DD7A INTERCOSTAL AND CLIP ARE CORRODED (C-CHECK RO 5/3/2021) REMOVED AND INSTALLED NEW PAX DR INTERCOSTAL DD7A AND CLIP REF CRJ 900 SRM 51-42-06-001-001-A01 AND DWG 601R31702 REV N. SEE CONTINUATION CARD FOR DETAILS. COMPLIED WITH 51-900-1002-SKY.