The contact owns a 2019 Ford Explorer. The contact received notification of NHTSA Campaign Number: 24V031000 (STRUCTURE); however, the part to do the recall repair were 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 contact stated while driving on the highway at 70 MPH, the A-pillar trim detached from the vehicle. There were no warning lights illuminated. The vehicle was taken to the dealer to be diagnosed; however, the part to do the recall was unavailable. The manufacturer was not made aware of the issue. The failure mileage was approximately 149,937. VIN tool confirms parts not available.