As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ODD SMELL IN COCKPIT-C/A-INTEROGATED CMC, NO FAULT CODES FOUND. PERFORMED GVI OF CB'S NONE FOUND TO BE OPEN. NO ODD SMELL IN COCKPIT OR CABIN. PERFORMED FIM TASK 21-20-00-810-801-A FOR ABNORMAL SMELL IN COCKPIT / CABIN. FOUND NO SMELL. PERFORMED COCKPIT DISTRIBUTION TEST IAW AMM 21-21-00 AND PERFORMED OPERATIONAL CHECK OF LH & RH PACKS IAW AMM 21-00-00 OPS CHECK GOOD. COULD NOT DUPLICATE SMELL.