What was found
NR 2 ENGING VIBRATION WENT TO 4.0 , AMBER DURING TAKEOFF. TOOK A LARGE POWER REDUCTION TO KEEP OUT OF AMBER VIBRATION. RETUREND TO AMBER AT LOW THRUST AS WELL ON DESCENT. PERFORMED AN OPS CHECK ON THE NR 2 ENGINE IAW ETN EJ-72-004, SECTION E, WITHIN LIMITS