As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO DOOR WARNING ON CLIMB OUT. RETURNED TO FIELD. LANDING UNEVENTFUL. C/W INSPECTION OF THE AFT BAGGAGE DOOR HANDLE LOCK MECHANISM IAW HS 52-0028 AND HS 52-0032, NO DEFECTS NOTED. C/W OPERATIONAL TEST OF THE AFT BAGGAGE DOOR IAW AMM TASK 52-31-00-710-801. OPS TEST GOOD. RETURNED TO SERVICE.