856A2509G08 is a precision aerospace fixture compliant with AS9100D quality standards and FAA/EASA regulations, dedicated to aircraft engine high-pressure compressor maintenance.It acts as a high-pressure compressor stator vane positioning fixture, used to accurately fix and align stator vanes during MRO disassembly, inspection and reassembly. It ensures strict positional accuracy and angle tolerance of vanes without deformation, critical for maintaining optimal compressor aerodynamic efficiency, preventing airflow turbulence, reducing engine vibration and avoiding power loss, thus safeguarding stable engine operation during flight.Made of high-strength heat-resistant alloy steel, it resists high temperature and wear, working stably at -45℃ to 250℃. Weighing 0.98kg, it features quick assembly and disassembly, a vital tool for improving compressor maintenance precision and engine core system safety.