As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 6172 - IAD-LYH - DURING CRUISE AN EMERGENCY WAS DECLARED DUE TO THE RT GENERATOR FAILING IN FLIGHT. AIRCRAFT LANDED AT LYH WITH NO FURTHER INCIDENTS. MAINTENANCE REPLACED THE RT STARTER/GENERATOR. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (Z)