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 was unavailable. 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 issue. The contact stated that while driving approximately 25 MPH, the driver’s side A-pillar blew off the vehicle. The contact was unable to stop to recover the trim. The failure mileage was 25,000. VIN tool confirms parts not available.