As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 1199 - IND-MKE - EN ROUTE THE FLIGHT CREW REPORTED SMOKE IN THE CABIN. THEY MADE AN AIR TURN BACK TO IND TAKING EMERGENCY PRECAUTIONS DURING AND AFTER LANDING. MX WAS CALLED TO INSPECT THE AIRCRAFT AND FOUND THE FWD VENT BLOWER SEIZED, BURNED OR BURNED SMELLING, EXTERNAL WIRING SHOWED NO DEFECTS. THIS WAS OUR FIRST INSTANCE OF A BLOWER CAUSING SMOKE IN THE CABIN. (M)