As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAXI, APPROACHING RUNWAY FOR TAKEOFF, FLIGHT CREW HEARD NOSE GEAR POP. IMMEDIATELY INFORMED BY ANOTHER AIRCRAFT THAT THE TIRE APPEARED TO BE SEPARATING FROM THE WHEEL. MAINTENANCE FOUND THE BEAD FLANGE ON THE WHEEL SEPARATED. REPLACED BOTH NOSE GEAR WHEEL ASSEMBLIES.