TL* THE CONTACT OWNS A 2008 HUMMER H3. WHILE DRIVING APPROXIMATELY 50 MPH WITH THE AIR CONDITIONING UNIT ACTIVATED, THERE WAS A BURNING ODOR INSIDE THE VEHICLE WITHOUT WARNING. THE AIR CONDITIONER FAILED. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE LOWER RESISTOR AND WIRING HARNESS FAILED, MELTED TOGETHER, AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V421000 (VISIBILITY), HOWEVER, THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 82,926. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.