As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED OBSERVING A SMALL AMOUNT OF SMOKE WITH A SULFUR LIKE ODOR COMING FROM THE CAPTAIN'S SIDE WALL AREA BELOW THE CAPTAIN'S SIDE WINDSHIELD DURING THE FLIGHT. NO EICAS MESSAGES APPEARED NOR EMERGENCY DECLARED. MAINTENANCE STILL TROUBLESHOOTING.