The contact owns a 2022 Ford F-150. The contact stated while driving at undisclosed speeds, there was an abnormal sound coming from the rear of the vehicle. The vehicle was taken to the dealer, where it was diagnosed and determined that the rear axle bolt was faulty, and the rear axles needed to be replaced. The contact received notification of NHTSA Campaign Number: 23V896000 (POWER TRAIN); however, the part to do the recall repair was not yet available. The vehicle was not repaired due to the cost. 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. The vehicle remained at the residence and had not been driven since. The failure mileage was approximately 60,000. VIN tool confirms parts not available.