As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 3247 -ATB- FLIGHT RETURNED TO MCI DUE TO RIGHT ENGINE HIGH VIBES INDICATION. CORRECTIVE ACTION: INSPECTED BLADES FOUND TWO FAN BLADES SHINGLED AT MIDSPAN. UN-SHINGLED OVERLAPPED BLADES AND PERFORMED VIBE RUN. NO ABNORMAL VIBES DETECTED. (9983152)