As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: DIVERTED TO TUL ACCOUNT AIR SPEED LIMIT WARNING INDICATION. AN EMERGENCY WAS DECLARED. AFTER TAKEOFF SPD LIM AMBER MESSAGE DISPLAYED ON CAPT PFD FLASHED ON AND OFF DURING FLIGHT WITH BARBER POLE RISING UP CLOSE TO CURRENT AIRSPEED FO SIDE NORMAL. REMOVED AND REPLACED #1 AOA PER AMM 34-21-05. ALSO SEE AALA202002059020, AALA202002059021.