What was found
AIR-TURN-BACK, BIRD STRIKE ON CLIMB, NR 1 ENGINE APPROX 3000 FEET. ENGINE CONTINUED RUNNING, VIB 4.8. LANDED JFK WITHOUT INCIDENT. ENGINE WAS SHUT DOWN AFTER LANDING. FOUND NUMEROUS FIRST STAGE FAN BLADES DAMAGED AND DAMAGE TO INLET COWL INNER LINER. REPLACED ENGINE AND NOSE COWL.