What was found
THE CREW REPORTED DURING TAKEOFF, THE NUMBER ONE ENGINE EXPERIENCED VIBRATION. THE AIRCRAFT RETURNED TO DEN. *S/D* VIBRATION CAUSED BY BIRD STRIKE. REPLACE BLADES NR 17, 18, 35, 36. ENGINE BORESCOPED, NO DAMAGE NOTED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
THE CREW REPORTED DURING TAKEOFF, THE NUMBER ONE ENGINE EXPERIENCED VIBRATION. THE AIRCRAFT RETURNED TO DEN. *S/D* VIBRATION CAUSED BY BIRD STRIKE. REPLACE BLADES NR 17, 18, 35, 36. ENGINE BORESCOPED, NO DAMAGE NOTED.