As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DCA - INFLIGHT MIA-LGA. (REPEAT ITEM) CREW REPORTED THE CAPTAINS PRIMARY FLIGHT DISPLAY INDICATIONS WENT TO AN ABNORMAL INDICATION. AIRSPEED DISAGREE ANNUNCIATION. FLIGHT DIVERTED DCA LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED PITOT PROBE TUBE/ELECTRICAL PLUG ON HEATER ASSCOCIATED WITH THE TUBE. SYSTEM GROUND CHECK NORMAL OPERATION.