As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FA REPORTED FUME EVENT BACK 1/2 OF CABIN FL350 AT CRUISE WE ISOLATED PACK 2 AND ODOR BEGAN TO DISIPATED BUT RETURNED UPON EXTENDING L/G. ONCE ON GROUND SHUT OFF PACK 1 AND ENG BLEEDS AND ODOR DISAPPATED COCKPIT NEVER NOTICED ODOR.-PERFORMED PACK BURNOUT OF BOTH 1&2 PACK IAW 21-00-00-615-802, NO ODOR OR DEFECT NOTED. A/C OKAY FOR SERVICE.