As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO UNCOMMANDED YAW RIGHT AT 130 KIAS ON TAKEOFF. AIRCRAFT LANDED SAFELY AT CLT WITHOUT FURTHER INCIDENT. MAINTENANCE PERFORMED STALL MANAGEMENT YAW DAMPER BITE TEST PROCEDURE PER FIM 27-32-00-810-801. FOUND AIR DATA INERTIAL REFERENCE UNIT ADRIU #2 TO BE FAULTING. REMOVED AND REPLACED ADIRU #2. PER AMM 34-21-01.