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[i]The company said it conducted a hot-fire test of the launch-abort engines on an integrated service module at the White Sands Test Facility in New Mexico in June. The engines successfully ignited and ran for the full duration, but during engine shutdown an anomaly occurred that resulted in a propellant leak. "We have been conducting a thorough investigation with assistance from our NASA and industry partners," the statement said. "We are confident we found the cause and are moving forward with corrective action. Flight safety and risk mitigation are why we conduct such rigorous testing, and anomalies are a natural part of any test program." The pad abort test is a necessary part of certifying spacecraft for flight, as it ensures the ability of the spacecraft to pull rapidly away from its rocket in the event of an emergency during liftoff or ascent into space. Boeing officials have apparently told NASA they believe there is an operational fix to the problem rather than a need to significantly rework the Starliner spacecraft itself. Boeing is already deep into production of two more Starliner vehicles — one that will undertake an uncrewed "Orbital Flight Test" for NASA's commercial crew program, perhaps late this year, as well as the spacecraft that will fly the "Crew Flight Test" sometime in 2019. One source indicated that this problem may not affect the uncrewed test flight but that it could delay the crew test.[/i]
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