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 not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was made aware of the issue. The manufacturer was made aware of the issue. The contact stated while driving 65 MHP on the highway, the pillar A-pillar trim detached and separated from the vehicle. On another occasion, while driving on the highway at 70 MPH, another trim piece detached and separated from the vehicle. The failure mileage was approximately 82,408. VIN tool confirms parts are not available.