As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED LOUD THUMPING NOISE AND VIBE COMING FROM FWD SECTION OF FUSELAGE, DECLARED AN EMERGENCY INTO CLT AND LANDED WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT AND REMOVED AND REPLACED RT NR 1 AND NR 2 MLG UPLOCK PROX SENSORS PER EMB AMM, OPS CHECK GOOD.