The contact owns a 2019 Ford Explorer. The contact stated while driving 70 MPH, the drivers side exterior A-pillar trim detached. The contact stated the front passengers side A-pillar trim was also starting to detach. 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 failure; however, the manufacturer was unable to confirm when parts would be available. The failure mileage was unknown. VIN tool confirms parts not available.