The contact owns a 2015 Ford Explorer. The contact received notification of NHTSA Campaign Number: 24V031000 (Structure). The contact stated that while driving at an undisclosed speed, the drivers side A-pilar trim partially detached and was flapping against the windshield. The contact stated that there was a buzzing sound coming from the passengers side of the windshield. The vehicle was taken to a dealer where it was determined that the exterior A-pillar trim had detached and needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 76,000.