As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INFLIGHT SHUTDOWN NR 1 ENGINE ROLLED BACK AT FL350 DURING CROSSFEED. CROSSFEED VALVE APPEARED TO BE FUNCTIONING NORMALLY. SHUT NR 1 DOWN USING ENGINE FAILURE CHECKLIST DUE TO UNRESPONSIVE THROTTLE. REMOVED AND REPLACED MEC AND PUMP PER MT.