As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT BAGGAGE BAY DOOR, LOWER CHANNEL ON AFT TRACK FRAME CRACKED. C-CHECK RO 10/9/2020. ORDERED AND RECEIVED AFT CARGO DOOR LOWER TRACK CHANNEL. REMOVED AND INSTALLED NEW CHANNEL, REF CRJ-900 SRM AND DWG SEE CONTINUATION CARD FOR DETAILS.