What was found
DURING CRUISE, CREW REPORTED A STRONG ELECTRICAL SMELL IN COCKPIT. PILOT NOTED ODOR COMING FROM THE ENGINEER'S CIRCUIT BREAKER PANEL. FLIGHT RETURNED TO MSP WITHOUT INCIDENT. MAINTENANCE REPLACED MULTIPLE TERMINALS, CIRCUIT BREAKERS, AND SWITCHES WITHIN THE FLIGHT ENGINEER'S PANEL. ALL TERMINALS, CIRCUIT BREAKERS, AND SWITCHES REPLACED WERE ASSOCIATED WITH THE AIRCRAFT'S FUEL SYSTEM. OPERATIONAL CHECK OF ALL SYSTEMS WERE GOOD.