As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PAX DOOR INNER SKIN IS CORRODED AROUND MANY OF THE ACCESS PANELS. REMOVED UNSERVICEABLE PAX DOOR INNER SKIN AND INSTALLED SERVICEABLE PN: 601R318024-7S IAW CRJ900 SRM TASKS 51-42-06-001-001-A01, 51-42-13-001-001-A01, 51-42-21-001-001-A01, 51-42-22-001-001-A01,AND 51-40-11-001-001-A01.