As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UNNATURAL SMELL IN FLIGH T DECK DURING ALL PHASES OF FLIGHT. FAS ADVISE NO ODOR IN CABIN SUBMITTED FORM TO TOMC FOR SMELL IN FD. REF FIM TASK 21-00-01/301 FOUND NOTHING THAT PRODUCES AN ODOR IN FLIGHT DECK AND CREW STATED SMELL DID NOT SMELL LIKE ELECTRICAL ISSUE. PERFORM SNIFF CHECK IN FWD EE COMPT WITH NO CONCERNABLE ODORS NOTED. WALKED AROUND A/C WITH NO LEAK ISSUES NOTED. NO HISTORY IN RECORDS.