As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT INTERRUPTED DUE TO ELECTRICAL WARNING. ON RETURN TO GATE, CREW REPORTED ELECTRICAL FUMES AND FIRE IN THE ELECTRICAL EQUIPMENT COMPARTMENT. ELECTRICAL POWER REMOVED FROM AIRCRAFT. AIRCRAFT REMOVED FROM SERVICE. AIRCRAFT WAS GROUNDED. REMOVED AND REPLACED STATIC INVERTER ASSEMBLY IAW AMM 24-34-21. OPS CHECKED GOOD.