As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED LOUD WIND NOISE FROM AROUND THE MAIN CABIN DOOR AFTER DEPARTURE FROM CLT. CREW RETURNED TO CLT AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED, CLEANED THE MAIN CABIN DOOR SEAL AND PERFORMED CHECKS USING THE AIRCRAFT MAINTENANCE MANUAL. NO FAULTS WERE FOUND. AIRCRAFT WAS RELEASED FOR SERVICE.