What was found
AFTER TAKEOFF RT ENGINE VIBRATION WENT TO 3.9, FLET AIRFRAME VIBRATION, WITH THRUST REDUCED VIBRATION INDICATION REDUCED TO GREEN RANGE. AIR RETURN, INSPECTED FAN IAW 72-20-00. BLENDED NICKS FROM SEVERAL BLADES IAW AMM TASK 72-20-00-300-801, ALL MINOR BLENDING. GROUND RAN CHECKED GOOD. (M)