As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLIMBING OUT THRU 14 000 NR 2 ENG EXPERIENCED A PARTIAL POWER LOSS N1'S 94 / 79 EGT 820 / 644 N2'S 95.4 / 78.0 FFS 6.50 / 3.7. ON APPROACH WHEN POWER LEVERS ADVANCED NR 2 ONLY ACHIEVED 25 TO 30 PERCENT OF NORMAL POWER. NO SURGING. NO THRUST LEVER MOVEMENTS WHILE AUTO THROTTLE STILL ENGAGED. P63 D3 SHUTOFF VALVE NR 2 WAS FOUND OUT. IN WORK.