The contact owns a 2016 Ford Explorer. The contact received notification of NHTSA Campaign Number: 24V031000 (STRUCTURE); however, the part to do the recall repair was unavailable. The local dealer was contacted, and it was confirmed that the part was not available. The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The contact had experienced the failure while driving approximately 50 MPH when the front passenger side A-Pillar detached from the vehicle. The vehicle was not repaired. The local dealer was notified of the failure. The failure mileage was 90,000.