What was found
CREW REPORTS FIRE BAG COMP RED CAS MESSAGE ILLUMINATED IN FLIGHT ON APPROACH 30 MILES OR 10 MINUTES FORM KMDW. SMOKE IN THE BAGGAGE COMPARTMENT WAS VERIFIED BY THE PIC AND AN EMERGENCY WAS DECLARED. UPON INITIAL INSPECTION AND TROUBLESHOOTING BY MAINTENANCE AFTER AN UNEVENTFUL LANDING IT WAS DISCOVER THAT THE SATELLITE TV ANTENNA CONTROL MODULE WAS THE SOURCE OF THE SMOKE DISCOVERED IN THE BAGGAGE COMPARTMENT. A PART SUPPLIER INVESTIGATION HAS BEEN REQUESTED. PART TEARDOWN REPORT HAS ALSO BEEN REQUESTED AND IS NOT YET AVAILABLE AT THIS TIME. PART WAS ORIGINAL EQUIPMENT INSTALLED AT AIRCRAFT COMPLETION. TIME IN SERVICE WAS 2618.2 HOURS AND 1840 LANDINGS.