The contact owns a 2015 Land Rover Range Rover. The contact received notification of NHTSA Campaign Number: 24V840000 (Steering); 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 contact stated while driving at approximately 65 MPH, there was an abnormal popping sound from the driver’s side front wheel well. The contact stated that the abnormal sound occurred while driving over a deformation in the road surface. The contact was not aware of any warning lights being illuminated. The contact had not taken the vehicle to a dealer or independent mechanic. The vehicle was not diagnosed or repaired. The contact visually inspected the driver’s front tire wheel well and became aware that the front suspension upper knuckle had fractured approximately 2-inches long with a gap of two millimeters at the upper part of the suspension knuckle where the control arm was bolted to the knuckle. The failure mileage was approximately 135,000. VIN tool confirms parts not available.