As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"UPON REMOVAL OF PAX DOOR (REF. MWC HN00109662) FOUND ALL FUSELAGE SIDE PAX DOOR HINGE LUG INNER SURFACES TO BE WORN BEYOND THE .295"" ALLOWABLE LIMIT STATED IN CRJ 900 SRM 53-21-23-201-010-A01. REMOVED AND REPLACED PASSENGER DOOR HINGE (FUSELAGE SIDE) IAW CRJ 700 SRM 53-21-23-201-007-A01"