As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSENGER DOOR FORMER AT FS347.250, BETWEEN DD4 AND DD5, IS CORRODED. (C-CHECK RO 10/22/2021) REPLACED PASSENGER DOOR AFT FORMER REF DWG 601R31702 REV. N AND CRJ900 SRM 51-42-06-001-001-A01. COMPLIED WITH 51-900-1002-SKY. LEAK CHECK GOOD.