As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSENGER REPORTS SMOKE IN CABIN. PERFORMED GROUND RUN OF BOTH ENGINES. DID DUPLICATE SMOKE IN CABIN BY SELECTING RT ACM FLOW TO COLD POSITION DUE TO ATMOSPHERIC CONDITIONS INSIDE AND OUTSIDE THE AIRCRAFT - IT WAS FOG INSIDE THE CABIN (APPEARING TO BE SMOKE). NO DEFECTS NOTED, OK FOR SERVICE. (X)