As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT DOOR CAUTION INFLIGHT AT 8000FT. RAN QRH CABIN ALT NOT NORMAL. / FOUND AFT CARGO DOOR UNLATCHED WHEN PULLED INTO GATE. INSPECTED AND OPS CHECK AFT CARGO DOOR IAW CRJ 900 AMM 52-31-00-710-801. OPS CHECK GOOD AT THIS TIME NO FURTHER DEFECTS NOTED.