As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT ENGINE THRUST LEVER JAMMED ON APPROACH. DECLARED AN EMERGENCY. LANDED WITHOUT INCIDENT. (FLT#3111) FO: 03/04/2019 CLOSED REMOVED AND REPLACED RT ENGINE THROTTLE GEARBOX IAW AMM. OPS CHECK GOOD AT THIS TIME. THROTTLE MOVEMENT SMOOTH AT THIS TIME.