As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT ENGINE WILL NOT SHUTDOWN UNLESS TEE HANDLE IS PULLED. MAINT RAN 3 TIMES & CHECKED GOOD. REMOVED & CLEANED FMU CONNECTOKR AND RAN ENGINE AGAIN BUT FAILED THIS TIME WITH STATUS MESSAGE FOR LEFT FUEL VALVE. FAULT MESSAGE SHOWS 73-6021 1. POSSIBLE FMU AND OR WIRING HARNESS. BOTH RELAYS K76104 AND K76017 REPLACED RAN ENG 6 TIMES, SHUT DOWN NORMAL PER JRH.