As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PAX DOOR PIANO HINGE LUGS (ON DOOR SIDE) FOUND CHAFFING ON ALL LUGS OUTER SURFACE FACE. (C-CHECK RO 11/28/2021) REMOVED AND REPLACED PAX DOOR HINGE (DOOR SIDE) IAW CRJ-700 SRM 52-11-01-201-002-A01. COMPLETED TASK CARD 51-900-1002-SKY AND M-337. NO CHANGE TO WEIGHT AND BALANCE. REF ATTACHED CONTINUATION FOR WORK PERFORMED.