As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PAX DOOR AFT DD2 INTERCOSTAL FOUND TO BE CORRODED REQUIRES REPLACEMENT. PN: 601R318052-1. REMOVED UNSERVICEABLE PAX DOOR AFT INTERCOSTAL DD2 AND INSTALLED A SERVICEABLE PAX DOOR AFT INTERCOSTAL DD2 P/N 601R318052-1 IAW CRJ 700 SRM 51-42-06-001-001-A01.