As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PAX DOOR AFT INTERCOSTAL DD5 FOUND CORRODED REQUIRES REPLACEMENT REMOVED PAX DOOR AFT INTERCOSTAL DD5 IAW CRJ700 SRM 51-42-06-001-001-A01. THEN LOCATED DRILLED AND INSTALLED NEW SERVICEABLE AFT INTERCOSTAL DD5 P/N: 601R31902-317A IAW CRJ700 SRM 51-40-11-001-001-A01 AND 51-42-06-001-001-A01