What was found
SMOKE IN COCKPIT AFTER DEICE WITH PACKS ON. SUSPECT POSSIBLE DE ICING FLUID INGESTION. RAN APU AND SUPPLIED PNEUMATIC POWER TO PACKS AND IAW AMM 36-00-00 AND RAN ON HOT FOR AROUND 30 MINS, NO SMOKED NOTED. CREW REQUESTED TO RUN BOTH ENGINES TO VERIFY SMOKE, CREW PERFORMED IDLE RUN FOR AROUND 10 MINUTES AND SUPPLIED PNEUMATICS TO PACKS NO FURTHER SMOKED NOTED, GOOD FOR SERVICE.