What was found
SMOKE IN CABIN EN-ROUTE SEEMINGLY ASSOCIATED WITH A RECENT CONFIGURATION CHANGE. RT COWL HEAT TURNED ON, "COOL TURB HOT" CAS MESSAGE, RT COWL HEAT TURNED OFF. RT PACK TEMP TURNED UP IAW COOL TURB HOT CHECKLIST, MESSAGE EXTINGUISHED, SMOKE EVENT FOLLOWED. UPON INSPECTION, MECHANIC CHECKED A/C PACKS AND NO LEAKS FOUND, COULD NOT DUPLICATE ON GROUND, REQUESTING A MAINTENANCE CHECK FLIGHT.