As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW ADVANCED THE NR 2 THRUST LEVER TO TAXI AND THE NR 2 ENGINE SHUT DOWN. EGT REACHED 620C. ENGINE SHUTDOWN WAS NOT INITIATED BY THE CREW. THE NR 2 ENGINE BLEED VALVE CONTROL UNIT DISPLAYED A VOLTAGE FAULT. MX REMOVED AND REPLACED THE NR 2 BLEED VALVE CONTROL UNIT IAW CARD R5M75601 AND TESTED IAW F5M72603. OPS CHECK GOOD.