As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:N/ACHEMICAL SMELL AT FL 350 POSSIBLY OZONE - SUBTLE USED O2 UNTIL 17000 NO SMELL AT THIS ALT. CONTINUED W/O O2 THERE AFTER.C/W SMOKE ODOR IN COCKPIT CHK PER MM 05-51-56-202-001 AND TASK 21-00-21-102-030. NO SMOKE OR ODOR NOTICED. OK TO CONTINUE.