What was found
AS FLT 1093 - MKE-LSE - PROGRESSING IN THE AREA NORTH OF MSN, THE CREW NOTICED THE SMELL OF SMOKE IN THE CABIN, THOUGHT TO BE ENVIRONMENTAL. THE CREW DECLARED AN EMERGENCY AND DIVERTED TO MSN. A MECHANIC WAS FLOWN THERE, HE GROUND RAN THE AIRCRAFT WITH ALL ELECTRICAL AND ENVIRONMENTAL SYSTEMS ON AND OPERATIONAL CHECKED GOOD. (M)