As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 4197 - DURING TAKEOFF, THE CAPTAIN NOTICED HIS AIRSPEED INDICATOR WAS NOT FUNCTIONING PROPERLY. TAKEOFF WAS ABORTED AND AIRCRAFT RETURNED TO GATE WITHOUT FURTHER INCIDENT. MAINTENANCE APPLIED PITOT HEAT TO SYSTEM, OPERATIONAL CHECK OF SYSTEM AFTER BEING HEATED WAS GOOD. AIRCRAFT RETURNED TO SERVICE.