As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DEPARTURE, AFTER GEAR UP, THE AFT CARGO DOOR UNLOCK WARNING LIGHT ILLUMINATED. THE CREW RETURNED & BLOCKED BACK INTO THE RAMP. NO EMER DECLARED. MX INSPECTED & SECURED THE CARGO DOOR. OPERATIONS CHECKED GOOD. ACFT RETURNED TO SERVICE.