As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#373, BOS-AUA. CR3 ALERT. INFLIGHT CREW MEMBERS REPORTED FUMES EVENT ON DESCENT INTO AUA TO INBOUND CAPT ON GND DURING DEPLANING ( PACKS ); PERFORMED LEVEL B DECONTAMITATION OF ECS PER TASK CARD A320-21-00-00-615-803-A. THIS CLEARS MDDR. MX-4 UPDATED. PLACARD REMOVED. MCC NOTIFIED."