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1992年9月18日,有关技术人员发现发现者号航天飞机的一个固体火箭发动机连接处出现泄漏问题。经过努力,现已查明泄漏是因位于助推器连接处的一垫片滑落而造成的。
On September 18, 1992, the technician discovered a leak at the junction of a solid rocket motor of Discovery shuttle. Efforts have been made to verify that the leak was caused by a padding located at the connection of the booster.