As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6009 - PHX-DSM - AFTER TAKEOFF, THE AIRCRAFT RETURNED TO THE FIELD DUE TO A CARGO DOOR ANNUNCIATOR LIGHT ILLUMINATING. THERE WAS NO LOSS OF CABIN PRESSURIZATION. MAINTENANCE INSPECTED AND THE ITEM WAS DEFERRED PER MEL NR 52704. THE AIRCRAFT WAS RETURNED TO SERVICE. (M)