As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 4275 AFW-ICT/AIR TURNBACK. CAPTAIN SIDE AIRSPEED SHOWED ZERO SHORTLY AFTER TAKEOFF. AIRCRAFT WAS RETURNED TO THE RAMP. NO EMERGENCY WAS DECLARED. LANDED WITH NO FURTHER INCIDENT. CORRECTIVE ACTION: MAINTENANCE REPLACED THE CAPTAIN PITOT PROBE. LEAK AND OPS CHECKS GOOD.