As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON HINGE FITTINGS (2 EAS) AND HINGE ARMS (2 EAS) ON AFT TOILET SERVICE DOOR 196ER. CORROSION ON HINGE FITTINGS (2 EAS) AND HINGE ARMS (2 EAS) ON AFT TOILET SERVICE DOOR 196ER. WERE EVALUATED DUE TO EXCESSIVE CORROSION MUST BE REPLACED PER CRJ-900 SRM 53-00-00-101-001-A01 AND WERE REPLACED PER CRJ-900 SRM 51-41-02-001-001-A01