As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE SEEN OUTSIDE OF LEFT SIDE CA WINDSHIELD FOR APPROX 5 SECONDS / PERFORMED OPS CHECK OF WINDOW HEAT IAW CRJ 900 AMM 30-41-06-710-801, OPS CHECK OF PITOT PROBE HEAT IAW CRJ 900 AMM 30-31-00-710-801, OPS CHECK GOOD NO DEFECTS NOTED. RAN #1 ENGINE, NO DEFECTS NOTED.