What was found
AFTER LIFT OFF AT LEMD HIGH VIBRATION INDICATION ON ENGINE #2 (5 UNITS) ACCOMPAINED WITH AIRFRAME VIBRATION, FLIGHT WAS RETURNED TO LEMD. ADDITIONAL COMMENTS: FAN BLADES DAMAGE, ITE SEEM S TO BE F.O.D. BY METALLIC PIECE. FURTHER INVESTIGATION AND BOROSCOPY WILL REVAIL FINAL ENGINE STATUS.