一 | Investigators said Friday they found hydraulic fluid leaking from a hose in the landing gear system of a FedEx plane that was forced to make an emergency landing this month in Chattanooga, Tennessee.The National Transportation Safety Board said that investigators also found a “discontinuity” in the wiring of an alternate system for lowering the landing gear.Video captured by emergency responders showed sparks flying after the Boeing 757 touched down on Oct. 4 with the left landing gear not fully extended. The plane ran off the end of the runway, but none of the three crew members were injured.The pilots reported that after taking off from Chattanooga, they got a warning about low fluid level and a lack of pressure in one of the hydraulic systems, and they decided to return to the airport. After getting an alert about the landing gear, the pilots declared an emergency. They did a low fly-by that allowed people in the airport tower to confirm that the left landing gear was not extended. The pilots circled and landed with the crippled gear. They were able to keep the plane going straight but couldn't stop until 830 feet beyond the end of the runway, the NTSB said in a preliminary report. Pilots used a slide to get out of the plane.The NTSB said an examination showed that a hose tied to a component used to activate the landing gear was leaking hydraulic fluid.The NTSB said it is continuing to investigate the incident.。 1月18日，宁夏银川相继发生2.7级、3.2级地震。据宁夏地震台网测定，北京时间2025年01月18日10时07分宁夏银川市金凤区(北纬38.43度，东经106.22度)，发生2.7级地震，震源深度17千米。中国地震台网正式测定：01月18日10时56分在宁夏银川市永宁县(北纬38.40度，东经106.24度)发生3.2级地震，震源深度15千米。基础背景震中地形：震中5公里范围内平均海拔约1113米。历史地震：根据中国地震台网速报目录，震中周边200公里内近5年来发生3级以上地震共24次，最大地震是2023年12月31日在甘肃白银市平川区发生的4.9级地震（距离本次震中215公里），历史地震分布如图。来源：中国新闻网（记者 杨迪）。
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