What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO DFW DUE TO THE FLIGHT CREW REPORTING THAT SHORTLY AFTER TAKEOFF AN AFT CARGO DOOR UNLOCK INDICATION DISPLAYED - THE AIRCRAFT LANDED SAFELY AT DFW AND TAXIED TO THE GATE UNDER ITS OWN POWER - MAINTENANCE REPORTED TAHT AFTER THE AIRCRAFT RETURNED TO THE GATE THE AFT CARGO DOOR LOCKS WERE INDICATING CLOSED AND LOCKED WITH THE AFT CARGO DOOR BEING FARED WITH THE FUSELAGE - MAINTENANCE ACCOMPLISHED AN OPERATIONAL CHECK OF THE AFT CARGO DOOR PER AMM 52-32-00 WITH NO ISSUES NOTED