Heavy Transport
Flight Crew Air Transport Pilot (ATP)
Flight Crew Last 90 Days 68; Flight Crew Total 11569; Flight Crew Type 5731
Situational Awareness
Inflight Event / Encounter Bird / Animal
Aircraft Aircraft Damaged; Flight Crew Landed in Emergency Condition; Flight Crew Returned To Departure Airport; General Maintenance Action; General Declared Emergency
Environment - Non Weather Related
Departed [and] hit several birds at 400 AGL. Right engine fan vibration went to 5.0; all other indications normal. Engine was still developing power. Engine vibration was reduced with power reduction. Declared emergency came back landed on visual. Landing was uneventful. Engine was shut down once on the ground. Maintenance said 13 fan blades were damaged; and the leading edge slat on right side.  Airport operations found a piece of our fan blade on runway.  While on the takeoff roll the preceding aircraft reported windshear at 400.
[Report narrative contained no additional information]
An aircraft departed ZZZ and hit several birds a 400 feet causing damage to 13 right engine fan blades and the right leading edge slat. At reduced power engine vibrations decreased so the engine remained running until after landing.