As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6437 - BOS-JFK - ABORTED TAKEOFF DUE TO RT SYMBOL GENERATOR FAILED. AIRCRAFT WAS FERRIED TO IAD AND WENT TO GATE WITH NO FURTHER PROBLEMS. MX INSPECTED AND REMOVED AND REPLACED SYMBOL GENERATOR. OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)