As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PAX DOOR INTERCOSTAL DD1 (PN: 601R318067-3) IS CORRODED. REMOVED INTERCOSTAL IAW CRJ900 SRM 51-40-11-001-001-A01, 51-42-06-001-001-A01, AND 51-42-21-001-001-A01.LOCATED AND DRILLED NEW SERVICEABLE PART 601R318067-5 IAW CRJ900 SRM 51-40-11-001-001-A01. INSTALLED NEW SERVICEABLE INTERCOSTAL PN 601R318067-5 IAW CRJ900 SRM 51-40-11-001-001-A01, 51-42-06-001-001-A01, AND 51-42-21-001-001-A01.