As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 7949 -DEN- CREW REPORTED FEELING VIBRATION AS GEAR WAS RETRACTED AND A FLAP FAIL MESSAGE AT 9 DEGREES. IN ADDITION, ON LANDING THE NR 1 BRAKE TEMP INDICATION SHOWED AN OVERHEAT. MAINTENANCE INSPECTED AND FOUND THE NR 2 MLG WHEEL`S TREAD SEPARATED. MAINTENANCE REMOVED AND REPLACED THE RT MLG WHEEL ASSEMBLIES AND THE NR 1 BRAKE ASSEMBLY. AN OPERATIONAL CHECK OF THE FLAP SYSTEM WAS GOOD. (S)