As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PAX DOOR AFT SIDE INTERCOSTAL DD5 FOUND TO BE CORRODED. REMOVED PAX DOOR AFT DD5 INTERCOSTAL IAW SRM 51-42-06-001-001-A01. LOCATED DRILLED AND INSTALLED NEW SERVICEABLE PAX DOOR AFT DD5 INTERCOSTAL IAW CRJ900 SRM 51-40-11-001-001-A01 AND 51-42-06-001-001-A01 PN: 601R31902-317A.