As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6215 - IAD-PVD - MADE AN UNSCHEDULED LANDING AT EWR DUE TO AIRSPEED COMPARATOR FLAG ILLUMINATED ON NR 1 DADC. AIRCRAFT WENT TO GATE AT EWR WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED NR 1 DADC, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)