As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED AT FL390 A/P DROPPED OFF AND LOST THE STANDBY BUS. STARTED TO SMELL A VERY SLIGHT ELECTRICAL BURNING ODOR IN COCKPIT. F/A ALSO STARTED SMELLING SOMETHING IN CABIN. CREW PERFORMED POM PROCEDURE AND DIVERTED INTO FAT. LANDING WAS UNEVENTFUL. AFTER LANDING, REPORTED A STANDBY INVERTED STATUS MESSAGE. ALL OTHER SYSTEM INDICATIONS REPORTED AS NOMINAL. REPLACED STATIC INVERTER PER MM. OPS CHECKS OK. EICAS MSG ERASED. ITEM CLEARED.