As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW HEARD LOUD NOISE AFTER BRINGING THE GEAR UP. NR 2 ENGINE WENT AMBER, DECLARED AN EMERGENCY AND RETURNED TO DEPARTURE WITHOUT INCIDENT. MAINTENANCE INSPECTED AND FOUND NUMEROUS DAMAGED FAN BLADES DUE TO BIRD STRIKE. ACFT REMAINS OUT OF SERVICE. REPLACED THE BLADES.