As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW EXPLAINED THERE WAS AN ODOR IN COCKPIT W/O ANY STS OR EICAS MESSAGES OR FAULTS. FOUND NO EVIDENCE OF ODOR IN COCKPIT INSPECTION ELECTRONIC EQUIPMENT BAY. FOUND NO UNITS FAILING OR AT FAULT. REMOVED AND REINSTALLED AIR SUPPLY DATA UNIT IAW 21-61-00.