The contact owns a 2024 Nissan Altima. The contact stated that on several occasions while the vehicle was parked, the contact observed water draining from the driveras side door when the door was opened. The vehicle was taken to a dealer where it was diagnosed that the there was a leak in the driver’s rear seat through the seat belt and possible the door weld body. The contact stated that the carpet floor, front spacer, and trim assembly needed to be replaced. The vehicle was repaired but the failure persisted. The manufacturer was notified of the failure. The failure mileage was unknown.