As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BTV - REPORTED SMOKE IN CABIN AFTER TAKEOFF AIRCRAFT RETURNED TO BTV UNEVENTFULLY. MAINTENANCE RAN BOTH ENGINES AND OPS CHECKED SYSTEM GOOD. FOUND THE SMELL TO BE COMPRESSOR WASH FLUID THAT HAD GOTTEN INTO THE BLEED AIR SYSTEM. AIRCRAFT RETURNED TO SERVICE. (M)