As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENG ROLLED BACK TO 47% N1 AT FL 390 IN RAIN & TURBULENCE, ENG CAME BACK TO NORMAL CRUISE N1 AFTER 5 SECONDS AT 47%, OPS NORMAL REST OF FLT_ CW NR 2 ENG EEC BITE WITH NO RECENT FAULTS OR FAULT HISTORY PER FIM 73-00 TASK 801. NO 30-DAY HISTORY. ACCOMPLISHED GVI THE NR 2 ENG INLET & EXHAUST WITH NO DAMAGE OR DEFECTS NOTED PER AMM 71-00-00. ACFT OK FOR SERVICE.