What was found
SHIP 3256 -ATB- RETURNED TO MSP DUE TO HIGH ENGINE VIBRATION ON NBR 2 ENGINE @ APPROX. 2,000 FEET, PEAK 7.2. AIRFRAME VIBRATION ASSOCIATED WITH EVENT. VIBRATION LESSENED WITH THRUST REDUCTION. CORRECTIVE ACTION: PERFORMED VISUAL INSPECTION OF FAN INLET AND ENGINE EXHAUST. PERFORMED FAN VIBRATION CHECK AND BALANCE AND GOT IT TO 1.4 AT 88%, IS WITHIN LIMITS. PERFORMED FAN LUBE AND TRIMMED FAN. (LP 4158668)