What was found
ON FLIGHT 4072 AFTER TAXIING TO THE GATE THE CREW REPORTED THAT THE AIRCRAFT WENT INTO AN ELECTRICAL EMERGENCY SHUTDOWN AS BOTH ENGINES WERE SHUTDOWN WITH THE APU RUNNING. EICAS REMAINED ON WITH NO APU OR GPU OR BATTERY POWER. THE FLIGHT ATTENDANT REPORTED AN ELECTRICAL SMOKE SMELL NEAR THE COCKPIT. THE AIRCRAFT WAS REMOVED FROM SERVICE. PERFORMED ELECTRICAL POWER RESET PER EMB FIM 24-60-00-810-820-A. NO PARTS REMOVED OR REPLACED. NO DEFECTS NOTED, AND NO TYPE OF SMELL NOTICED. THE AIRCRAFT WAS RETURNED TO SERVICE.