The contact owns a 2014 Ford Explorer. The contact stated while driving at an undisclosed speed, an unknown windshield exterior A-Pillar trim detached. The contact received notification of NHTSA Campaign Number: 24V031000 (Structure); however, the part to do the recall repair was not yet available. The local dealer was contacted. The vehicle was not repaired. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the failure. The failure mileage was approximately 136,000. VIN tool confirms parts not available.