As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 2833 ORH- RSW, ON FINAL APPROACH AT AROUD 1500 FT IN FLIGHT ADVICEED US FUMES/ODOR AT BACK GALLEY ( PACKS ). PERFORMED LEVEL B DECONTAMINATION OF THE ECS IAW TASK CARD A 320-21-00-00-615-803A. NO ODOR EVENT AT THIS TIME . THIS CLEARS MDDR . MX-4 - UPDATED."