As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6256 - IAD-ALB - AT 1500 LEFT WING DE-ICE BOOT FAILED IN ICING CONDITIONS. AIRCRAFT DIVERTED TO SWF AND LANDED WITHOUT INCIDENT. MAINTENANACE REMOVED AND REPLACED LEFT INBOARD WING DE-ICE BOOT. OPS CHECK GOOD. AIRCRAFT WAS THEN APPROVED FOR RETURN TO SERVICE. (Z)