As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: INDICATED AIRSPEED DISAGREE ON PRIMARY FLIGHT DISPLAY PASSING 16000-17000 FT AND DURING DESCENT, FLIGHT DECLARED EMERGENCY AND LANDED WITHOUT FURTHER INCIDENT. REPLACED CONNECTOR D644 (AALA202103199013) WITH NEW IAW SWPM 20-60-00 AND REPLACED WINDOW/PITOT HEAT MODULE WITH SERVICEABLE UNIT IAW AMM 30-00-02, OPS CHECK GOOD.