What was found
INSPECTION TYPE: ETOP ATB - R-FAN & LPT ENG VIBRATION HIGH. DURING CLIMB AT 103.5 PERCENT N1 R ENG VIBRATION AT 5.0 FAN LPT. SLIGHT AIRFRAME SHUTTER WHEN POWER REDUCED. PERFORMED FIM 71-05-00, FIG 13, PERFORMED BLOCK 1 ANSWER IS NO BLOCK 2 ANSWER NO; BLOCK 2 ANSWER NO; BLOCK 3 ANSWER NO; BLOCK 4 ANSWER NO; BLOCK 5 ANSWER NO; BLOCK 45 SENDS US TO BLOCK 6 ANSWER YES; AT THIS POINT TECH RECOMMENDS SPINNER BALANCE AT THIS TIME.