As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6570 - IAD-MDT - AIRCRAFT EXPERIENCED A RIGHT GENERATOR THAT WOULD NOT RESET. AIRCRAFT RETURNED TO THE GATE AND MAINTENANCE REPLACED THE RIGHT GCU. SYSTEM WAS THEN OPERATIONALLY CHECK WITH NO FURTHER PROBLEMS. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)