As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT CRUISE FL 340 SLIGHT ELECTRICAL SMELL FOLLOWED BY AUTO THROTTLE DISCONNECT, NO AUTO LAND LIGHT ON, CAPTAIN'S FLIGHT DIRECTOR DISCONNECTED ALONG WITH CAPTAIN'S AIRSPEED COMMAND BUG GOING AWAY. PERFORMED MCDP TEST FOUND MULTIPLE MCP FAULTS. REMOVED MCP CONFIRMED ELECTRICAL SMELL WAS COMING FROM MCP. REPLACED MCP NO SMELL NOTED. SYSTEM OPERATION IS NORMAL.