The contact owns a 2017 Ford Explorer. The contact stated while driving at an undisclosed speed, the passenger’s side windshield trim detached and flew off. In addition, the contact stated that later the driver’s side windshield trim fractured and was loosely flapping. The dealer was made aware of the failure; however, the contact was informed that the parts were on backorder. 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 manufacturer was made aware of the failure. The failure mileage was unknown. VIN tool confirms parts not available.