What was found
DURING CRUISE, RECEIVED AN EICAS MESSAGE "GEN4 BRNG FAIL', SECONDS LATER A STRONG ODOR BURNING ELECTRICAL WAS NOTICED. NO SMOKE DETECTED. DECLARED AN EMERGENCY & LANDED WITHOUT INCIDENT. ACFT REMOVED FROM SERVICE. PERFORMED ODOR EVENT TROUBLESHOOTING IAW ETN EM-72-034 COULD NOT DUPLICATE BURNING ODOR. ACFT RELEASED FOR FUNCTIONAL CHECK FLIGHT. FUNCTIONAL CHECK FLIGHT WAS FOUND SATISFACTORY. AIRCRAFT RETURNED TO SERVICE.