As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AIRCRAFT WAS IN HEAVY CHECK MAINTENANCE FOUND THE LAVATORY SERVICE DOOR HINGE HALF CORRODED. MAINTENANCE REMOVED AND REPLACED THE LAVATORY SERVICE DOOR HINGE IAW EMB 175 SRM 51-41-02. THE AIRCRAFT IS OUT OF SERVICE IN HEAVY CHECK.