As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT 37000 FT APPROXIMATELY 10 MINUTES AFTER TOP OF CLIMB CRUISE POWER FA'S REPORTED ODOR IN THE VICINITY OF ROWS 15-19 ODOR DESCRIBED AS MECHANICAL EQUIPMENT DURING UP PACK 2 SWITCHED TO OFF ODOR DISSIPATED AFTER APPROXIMATELY. PERFORMED PACK BURN OUT IN PACK 1/2, IAW TSM 05-50-00 NO ODOR FOUND.