As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON ENGINE SHUTDOWN, RIGHT ENGINE CONTINUED TO RUN WITH THRUST LEVER IN SHUTOFF POSITION. WORKED THROTTLE LEVER, ENGINE EVENTUALLY SHUTDOWN. ADJUSTED THROTTLE CONTROL RIGHT ENGINE IAW 76-11-17. PERFORMED IDLE SPEED CHECK IAW 70-00-00. OPS CHECK GOOD. (A)