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Boeing s Starliner heads back to hangar after valve issue thwarts test launch for NASA
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Space Engineers Still Probing Mystery Readings On Boeing Starliner Spacecraft - NASA
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Boeing Starliner launch to space station on extended hold after valve problem By William Harwood
August 3, 2021 / 10:15 PM / CBS News
The launch of Boeing s Starliner crew capsule on an unpiloted test flight to the International Space Station, a critical stepping stone before astronaut ferry flights can begin, was scrubbed Tuesday because of suspect valves in the capsule s propulsion system.
After troubleshooting, mission managers decided to haul the spacecraft, perched atop a United Launch Alliance Atlas 5 rocket, off the launch pad and back to a processing facility for more extensive inspections to understand why instrumentation readings did not match the actual positions of multiple valves.
Boeing Co scrubbed the launch of its CST-100 Starliner to the International Space Station on Tuesday due to a system glitch, a fresh setback for the US aerospace company following the vehicle s botched 2019 debut.
Boeing engineers ruled out a number of potential causes, including software, but were still working to understand the source of unexpected valve position indications in the propulsion system, Boeing said in a statement Tuesday evening. Additional time is needed to complete the assessment, Boeing said, adding that it would also not proceed with the next potential launch window on Wednesday.
The delay of Tuesday s uncrewed test flight throws into question the timing of Boeing s follow-on mission with a crew onboard, which Boeing has said would take place no earlier than December.
Several problems in the spacecraftâs propulsion system were identified on Monday
Boeingâs CST-100 Starliner spacecraft© EPA-EFE/NASA/Joel Kowsky
NEW YORK, August 4. /TASS/. The launch of Boeing’s CST-100 Starliner spacecraft to the International Space Station (ISS), scheduled for Wednesday, has been postponed indefinitely, the company’s press service said. Additional time is needed to complete the assessment [of the spacecraft’s readiness for launch] and, as a result, NASA and Boeing are not proceeding with tomorrow’s launch opportunity, the press service said in a statement.
Several problems in the spacecraft’s propulsion system were identified on Monday. Although a number of causes for those glitches have already been ruled out, Boeing specialists want to carry out a full analysis of the issue.
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