The contact owns a 2014 Ford Explorer. The contact stated while driving on the interstate at an undisclosed speed, exterior A-pillar trims detached from the vehicle. 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 made aware of the issue. The failure mileage was unknown. VIN tool confirms parts not available.