As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON HINGES AND HINGE FITTINGS AT AFT LAVATORY SERVICE DOOR 196ER (ATTACHMENT HARDWARE INCLUDED). EVALUATED, DUE TO ECXSSESIVE DAMAGE ON HINGES (2 EAS) AND HINGE FITTINGS (2 EAS) AT AFT LAVATORY SERVICE DOOR 196ER PER CRJ 900 SRM 53-00-00-101-001-A01 AND REPLACED PER CRJ-900 AMM 52-45-01