As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF, EXPERIENCED BIRDSTRIKE TO NR 2 ENGINE CAUSING VIBRATION. AIRCRAFT RETURNED TO SFO AND MADE AN UNEVENTFUL LANDING. PERFORMED BIRDSTRIKE INSPECTION AND FOUND TWO ENGINE FAN BLADES BENT. REPLACED BLADES AND PERFORMED ENGINE POWER ASSURANCE RUN PER BOEING M/M.