The contact owns a 2012 Ford Explorer. The contact stated while driving at an undisclosed speed, the A-pillar trim on both sides of the windshield started to detach. The contact received notification of NHTSA Campaign Number: 24V031000 (Structure); however, the part to do the recall repair was not yet available. The dealer was contacted and confirmed that parts were not yet available. 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 failure. The approximate failure mileage was 150,000. VIN tool confirms parts not available.