The contact owns a 2012 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 contact stated that the A-pillar trim was detaching from the front windshield and allowing water to leak into the vehicle. The contact temporarily sealed the windshield with tape. The dealer was contacted and confirmed that the part for the repair was unavailable. The manufacturer was not made aware of the issue. The failure mileage was unknown. VIN tool confirms parts not available.