K71001 is a high-performance aviation maintenance tool compliant with AS9100D standards and FAA/EASA regulations, engineered for aircraft landing gear retraction system maintenance during ground MRO operations. Forged from high-strength anti-corrosion alloy steel with wear-resistant plating, it withstands -55℃ to 190℃, resisting hydraulic fluid erosion, mechanical vibration and heavy-load impacts for stable, long-lasting performance. Its precision-machined adjustment heads and alignment pins enable damage-free disassembly, installation and calibration of retraction actuators and linkage components, critical for preventing landing gear jamming or misalignment. Compact and ergonomic, it fits confined landing gear bays, streamlines maintenance workflows, cuts ground downtime, and serves as an indispensable tool for aircraft flight safety and operational reliability.