As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE WOULD NOT SHUTDOWN ON COMMAND. IDG 1 BUSS OFFLINE MESSAGE, THEN ENGINE SHUTDOWN AFTER FOUR FURTHER ATTEMPTS. ENGINE INDICATIONS DISAPPERED DURING SHUTDOWN. R & R ENGINE CONTROL MODULE IAW AMM 71-00-02. CHECKED OK. OK FOR SERVICE.