As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF IN CLT HAD STUCK MICROPHONE ON RADIO 1, THEN 2 AND 3. DECLARED AN EMERGENCY, DIVERTED AND LANDED SAFELY WITHOUT INCIDENT. THE AIRCRAFT WAS GROUNDED. MAINTENANCE REPLACED CAPTAIN SIDE STICK RADIO PTT SWITCH IAW AMM 27-92-41 AND AMM 23-12-00.