As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAD/RDU - DURING CRUISE, AIRCRAFT MADE AN UNSCHEUDLED LANDING DUE TO RT GENERATOR WENT OFF LINE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED RIGHT STARTER/GENERATOR. OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (X)