As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO DOOR SEAL RETAINER IS DAMAGED AT THE LOWER AFT CORNER. (C-CHECK RO 4/1/2021) REMOVED DAMAGED SEAL RETAINER AND INSTALLED ANEW SERVICABLE SEAL RETAINER IAW CRJ 200 SRM 51-42-06. NO CHANGE TO WEIGHT. PRESSURE CHECK AND OPERATIONAL CHECKS GOOD. TASK CARD 51-900-1003-SKY AND M-337 ARE ATTACHED