As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THE NOSE GEAR MADE A STRANGE THUMPING SOUND DURING RETRACTION. CREW ELECTED TO CONTINUE ON TO CLT, REQUESTED EMERGENCY EQUIPMENT TO STAND BY. THE AIRCRAFT LANDED AND TAXIED TO THE GATE WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE NOSE TIRES IN ACCORDANCE WITH THE AIRCRAFT MAINTENANCE MANUAL. AIRCRAFT WAS RELEASED FOR SERVICE.