The contact owns a 2018 Ford Explorer. The contact received notification of NHTSA Campaign Number: 24V031000 (Structure); however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact stated that while driving at various speeds, there was wind entering the cabin of the vehicle from the windshield. The dealer was contacted. The manufacturer was not made aware of the issue. The failure mileage was unknown. VIN tool confirms parts not available.