As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DWN/IAD - FLT 6578 - DURING CRUISE AT 1815 HRS ON 4-14-95, RETURNED TO IAD DUE TO RT GENERATOR FAILING IN-FLIGHT. AIRCRAFT RETURNED TO IAD WITH NO FURTHER INCIDENTS. MAINTENANCE REPLACED RT START/GEN. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (X)