As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PAX DOOR INTERCOSTAL DD7A BETWEEN FS323.00 AND FS327.763 IS CORRODED (C-CHECK RO 7/7/2021) REPLACED PAX DOOR INTERCOSTAL DD7A BETWEEN FS323.00 AND FS327.763 AS PER CRJ 900 SRM 51-42-06-001-001-A01 AND DWG# 601R31702 REV N. SEE CONTINUE CARD FOR DETAILS, COMPLIED WITH M337 AND TASK CARD 51-900-1002-SKY.