As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ONE HOUR AFTER TAKEOFF, ENGINE ICE WAS TURNED ON ALONG WITH IGNITION SOON AFTERWARD A MISTY FOG APPEARED IN THE COCKPIT AND FOWARD GALLEY I TURNED THE ENGINE ICE OFF AND THE MISTY FOG STOPPED ALSO RECEIVED NO MODE LIGHT WHEN THE ENGINE ICE WAS PLACED ON.