A | 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.。 近日，首颗“雄安造”卫星“雄安一号”（鸿鹄03星），在东风商业航天创新试验区搭乘朱雀三号重复使用遥二运载火箭发射升空，标志着雄安空天信息和卫星互联网产业实现关键性突破。这颗卫星由落地雄安的商业航天企业自主研发制造，从产品下线到成功发射，历时近十个月。本期节目跟随记者视角，实地探访一线，记录卫星从雄安下线、出征，最终奔赴太空的完整历程。
B | “雄安一号”的成功发射，见证新区持续完善航天产业生态，着力打造空天信息和卫星互联网产业集聚高地，为京津冀科创协同发展注入新动能。策划 | 张文君统筹 | 解丽达 曹 铮文案 | 郝金钰摄制 | 郝金钰 陈若琳。
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