As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT ROTATION CREW HEARD LOUD THUD, UPON GEAR RETRACTION HEARD LOUD SLAPPING SOUND. CREW DECLARED AN EMERGENCY AND DIVERTED TO PIT. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AIRCRAFT AND FOUND NO DISCREPANCIES. REPLACED NOSE WHEELS AS A PRECAUTIONARY MEASURE.