As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT BAGGAGE DOOR SILL HAS SEVERAL AREAS OF CORROSION (C-CHECK RO 11/04/2021) REMOVED AFT BAGGAGE DOOR SILL REF. CRJ 900 SRM 51-42-13-001-001-A01, CRJ 900 SRM 51-42-21-001-001-A01 INSTALLED NEW AFT BAGGAGE DOOR SILL REF. DWG MM670-35085 REV. L , CRJ 900 SRM 51-42-06-001-001-A01 / COMPLIED WITH TASK 51-900-1002-SKY