As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENGINE KEPT ACCELERATING ON START. TRIED A RESTART. NO LUCK. SHUTDOWN THE ENGINE EACH TIME. REMOVED AND REPLACED THE NR 2 ENGINE EEC IAW AMM 73-22-34. FADEC OPS CHECKED NORMAL. ENGINE IDLE RUN NORMAL. NO DEFECTS NOTED. PERFORMED A NR 2 ENGINE START, ENGINE DID NOT ACCELERATE PAST IDLE EITHER TIME.