The contact owns a 2014 Ford Escape. The contact stated that after opening the rear drivers side door, the locking mechanism failed, and the door failed to remain closed. The vehicle was taken to the local dealer who diagnosed that the interior door latch mechanism had failed and needed to be replaced. The mechanism was replaced, and the vehicle was repaired. The manufacturer was notified of the failure, but no assistance was offered. The failure mileage was approximately 100,000.