As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, AN ELECTRICAL BURNING ODOR EMITTED FOLLOWED BY AN AUTO THROTTLE DISCONNECT CAUTION AND EICAS MESSAGE. THE SMELL DISSIPATED AND THE AIRCRAFT CONTINUED TO DESTINATION AND LANDED WITHOUT INCIDENT. REPLACED THE AUTO THROTTLE TACHOMETER AND FLIGHT MANAGEMENT COMPUTER. OPERATIONAL CHECK GOOD.