As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 3825 -MISC/SMK- CREW REPORTED FUMES IN THE CABIN DUE TO DE-ICING FLUID INGESTED INTO THE APU INLET DURING DE-ICING. CORRECTIVE ACTION: PERFORMED LEFT ENGINE AND PACK DUCT BURNOUT. RIGHT ENGINE AND PACK NO PROBLEM FOUND. REPLACED RECIRCULATION FILTERS. OPS CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.