As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EWR---CO2853, CREW REPORTED, STRONG ELECTRICAL ODOR IN COCKPIT. MAINTENANCE REMOVED AND REPLACED ESSENTIAL BUSS CONTACTOR (EBC) IAW EMB 145 XR MM 24-60-03. OPS CHECKED GOOD. NO ELECTRICAL ODOR SMELL WAS FOUND AT THIS POINT. AIRCRAFT RETURNED TO SERVICE.