The GE90 engine, which was the first jet engine to utilize composite fiber polymeric material on the front fan blades 20 years ago, achieved another milestone—becoming the first GE engine to incorporate an additive manufactured component for the housing on the T25 sensor. The US Federal Aviation Administration granted certification of the T25 engine sensor for the GE90-94B engine in February. The upgraded T25 sensor, located in the inlet to the high pressure compressor, is being retrofitted into more than 400 GE90-94B engines in service. The T25 sensor provides pressure and temperature measurements for the engine’s control system. “Additive manufacturing
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