As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DOWNWIND TO LANDING AFT FLIGHT ATTENDENT REPORTED STRONG ODOR IN AFT CABIN TURRNED OFF PACK 1 AFT FA REPORTED ODER GONE-INVESTIGATED IAW TSM 05-50-00 AND FOUND DEICING FLUID TO BE THE CAUSE OF ODOR. PERFORMED DECONTANIMATION PROCEDURE OF PACK SYSTEM IAW AMM21-00-00 OPS CHECK GOOD. NO ODOR AT THIS TIME.