What was found
PILOT REPORT #2 ENGINE WOULD NOT MAKE TAKEOFF POWER. SEE LOG PAGE 60444183. (#PRIAOG/ETOPS). GROUNDED - YES. ACCOMPLISHED TSR 715046 STEPS 1 THROUGH 5 FOUND #2 THROTTLE LAGING BY ONE KNOB TO COMPARE TO #1 THROTTLE RII 86840 (ACCOMPLISHED STEP 9 TSR , REMOVED & REPLACED NO 2 ENGINE EEC PER AMM 73-21-60 FADEC /EEC TEST NML REF AMM 73-21-00-700-802-F00 )PERFORMED POWER ASSURANCE TEST PER AMM 71-00-00 OPERATIONAL TEST OK ENGINE PERFORMANCE ON ENGINE THROTLE LAGS BEHIND FURTHER TROUBLESHOOTING REQUIRED REQUIRED.ACCOMPLSHED BOROSCOPE INSP ,PER PWRPL -72EA -26109- ITEM 1 NO DEFECTS FOUND BORO PLUG S3 ,S4,S8, S1 INSTALLED PER AMM 72-00-00.ACCOMPLISHED PWRPL -72EA-26109 REF LOGPAGE 60444186 AIRECRAFT OK FOR SERVICE.