As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DISCREPANCY: CORROSION ON HINGES AND HINGE FITTINGS AT AFT LAVATORY SERVICE DOOR 196ER
CORRECTIVE ACTION: HINGES,HINGE FITTINGS AND HARDWARE AT AFT LAVATORY SERVICE DOOR 196ER WERE REPLACED PER CRJ /900 AMM 52-45-01 AND CRJ900 SRM 51-41-02.