Engine, Tanker, Traffic, and Chief 133 responded at 14:50 to a reported truck brakes fire on I81 SB MM 52 Wednesday afternoon. Chief 7 was advised that an officer from Carlisle Police was on scene, advising one engine was needed. E33 arrived and pulled the booster line to provide a limited amount of water to cool the area. T33 took a blocking position. Traffic 33 staged. Crews remained on scene a short time before clearing the scene.