As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OVERHEAT ODOR POSSIBLY FROM PACKS AT HIGH POWER SETTING AT HIGH ALTITUDE (FL350) NOT ASSOCIATED WITH ANY ANNUNCIATOR LTS OR ANY ABNORNAL INDICATION.FAINT ORDOR ALSO BRIEFLY AT EARLY CLIMB OUT AND BRIE / [01] PERFORMED FIM TASK 21-00 TASK 806. R AND R LH AND RH RECIRC. FANS AND BOTH HEPA FILTERS PER MM 21-25-02; 21-25-01.