{"id":17803,"date":"2020-02-07T21:31:54","date_gmt":"2020-02-07T13:31:54","guid":{"rendered":"https:\/\/wp-productionenv-bjg9h2g2bgg5b8aa.southeastasia-01.azurewebsites.net\/news\/starliners-software-shortcomings-spark-nasa-safety-review-of-boeings-practices\/"},"modified":"2020-02-07T21:31:54","modified_gmt":"2020-02-07T13:31:54","slug":"starliners-software-shortcomings-spark-nasa-safety-review-of-boeings-practices","status":"publish","type":"post","link":"https:\/\/starpath.global\/news\/starliners-software-shortcomings-spark-nasa-safety-review-of-boeings-practices\/","title":{"rendered":"Starliner\u2019s software shortcomings spark NASA safety review of Boeing\u2019s practices"},"content":{"rendered":"<figure id=\"attachment_539132\" aria-describedby=\"caption-attachment-539132\" style=\"width: 630px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full-width wp-image-539132\" src=\"https:\/\/cdn.geekwire.com\/wp-content\/uploads\/2019\/12\/191222-starliner5-630x424.jpg\" alt=\"\" width=\"630\" height=\"424\" srcset=\"https:\/\/cdn.geekwire.com\/wp-content\/uploads\/2019\/12\/191222-starliner5-630x424.jpg 630w, https:\/\/cdn.geekwire.com\/wp-content\/uploads\/2019\/12\/191222-starliner5-1260x848.jpg 1260w, https:\/\/cdn.geekwire.com\/wp-content\/uploads\/2019\/12\/191222-starliner5-768x517.jpg 768w, https:\/\/cdn.geekwire.com\/wp-content\/uploads\/2019\/12\/191222-starliner5-1536x1033.jpg 1536w, https:\/\/cdn.geekwire.com\/wp-content\/uploads\/2019\/12\/191222-starliner5.jpg 1638w\" sizes=\"(max-width: 630px) 100vw, 630px\"><figcaption data-nosnippet=\"\" id=\"caption-attachment-539132\" class=\"wp-caption-text\">Boeing, NASA, and U.S. Army personnel put a protective cover over Boeing\u2019s CST-100 Starliner spacecraft shortly after its Dec. 22 landing at White Sands Missile Range in New Mexico. (NASA Photo \/ Bill Ingalls)<\/figcaption><\/figure>\n<p>An interim assessment of what went wrong during December\u2019s first uncrewed flight of Boeing\u2019s CST-100 Starliner space taxi has turned up so many breakdowns that NASA is ordering a comprehensive safety review of the company\u2019s procedures.<\/p>\n<p>NASA and Boeing provided a status report on the Starliner post-flight reviews today, after concerns were raised publicly this week during a meeting of the space agency\u2019s Aerospace Safety Advisory Panel.<\/p>\n<p>\u201cWe are 100% committed to transparency,\u201d NASA Administrator Jim Bridenstine told reporters during a teleconference.<\/p>\n<p>This week\u2019s revelations add to concerns about engineering shortcomings in other lines of Boeing\u2019s business \u2014 including commercial airplanes, where a software issue and lapses in training procedures led to two catastrophic crashes and the worldwide grounding of 737 MAX jets; and military airplanes, where Boeing is having to retrofit Air Force KC-46 tankers to fix a design flaw.<\/p>\n<p>Douglas Loverro, NASA\u2019s associate administrator for human exploration and operations, alluded to those shortcomings as he discussed the decision he made with Bridenstine\u2019s support to order a wider safety review. \u201cThere were several factors that were in my mind when I asked the boss if we could do this,\u201d he said. \u201cAnd those were obviously press reports that we\u2019ve seen from other parts of Boeing, as well as what seemed to be characterized as these software issues.\u201d<\/p>\n<p>Boeing\u2019s Orbital Test Flight fell short of its main goal not long after its Dec. 20 launch when Starliner\u2019s rocket engine failed to light up on schedule. By the time engineers could fix the problem and upload the corrected software, it was too late to get the spacecraft on track for its planned rendezvous with the International Space Station.<\/p>\n<p>During their troubleshooting, engineers found that a program designed to keep track of the mission elapsed time \u2014 that is, how much time had elapsed since launch \u2014 had picked up a time stamp from the United Launch Alliance Atlas 5 booster almost 11 hours too early and never corrected the time.<\/p>\n<p>That issue alone threw the schedule for sending three spacefliers on a follow-up mission to the station into limbo. But there was another software issue that didn\u2019t become public until this week\u2019s safety panel meeting.<\/p>\n<p><iframe title=\"Boeing, NASA update the media on Starliner anomalies - Teleconference audio (2\/7\/2020)\" src=\"https:\/\/www.youtube.com\/embed\/xv5UX2j2UBs?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen=\"\" data-ratio=\"0.5625\" data-width=\"800\" data-height=\"450\" style=\"display: block; margin: 0px; width: 800px; height: 450px;\"><\/iframe><\/p>\n<p>Boeing and NASA officials reported that the issue could have ruined the separation of the Starliner\u2019s service module from its crew module during descent. Jim Chilton, senior vice president of Boeing Space and Launch, said today that the service module\u2019s thrusters were programmed to follow the wrong firing profile, with the result that the module might not have achieved enough separation.<\/p>\n<p>\u201cThat could have resulted in the service module bumping into the crew module,\u201d Chilton said.<\/p>\n<p>NASA said such a scenario could have resulted in the loss of the vehicle. Chilton said Boeing engineers hadn\u2019t fully worked through what would have happened. However, he added, \u201cit can\u2019t be good when two spacecraft are going to contact.\u201d<\/p>\n<p>Somehow, both of the software issues had slipped through pre-launch verification and testing of Starliner\u2019s flight software. Chilton said the second problem was discovered on the night before the spacecraft was to land, during a comprehensive double check of the software.<\/p>\n<p>\u201cWe found it because we went looking,\u201d Chilton said.<\/p>\n<p>Engineers rushed to rewrite the software, verified that it ran correctly, and uploaded the fix less than three hours before the spacecraft\u2019s Dec. 22 landing, said John Mulholland, vice president and program manager for Boeing\u2019s Starliner program. Thanks to the fix, the Starliner made a trouble-free touchdown in New Mexico.<\/p>\n<p>Yet another problem cropped up during the flight: Starliner\u2019s communication system had a hard time establishing contact with NASA\u2019s relay satellites, which contributed to the delay in uploading the fix for the initial engine-firing problem.<\/p>\n<p>On the day after launch, Chilton said the problem cropped up because Starliner\u2019s misfiring thrusters put it in the wrong position to make contact with the satellite network. Today, Mulholland said Boeing\u2019s preliminary conclusion is that the problem had to do with \u201cEarth-generated noise over specific geographic footprints.\u201d<\/p>\n<p>\u201cWe believe the frequency \u2026 is very close to the frequency that would be associated with cellphone towers, and that created that high noise floor which didn\u2019t allow us to establish a link as soon as we would have needed to,\u201d he said.<\/p>\n<p>He stressed that the communication issue was still under investigation. A joint Boeing-NASA investigative team is due to finish its work by the end of this month.<\/p>\n<p><iframe title=\"Starliner Orbital Flight Test Cabin Camera Views\" src=\"https:\/\/www.youtube.com\/embed\/i4CeipvvYb4?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen=\"\" data-ratio=\"0.5625\" data-width=\"800\" data-height=\"450\" style=\"display: block; margin: 0px; width: 800px; height: 450px;\"><\/iframe><\/p>\n<p>Loverro said he was concerned that the Starliner program\u2019s problems could go deeper than the three issues that cropped up during December\u2019s mission.<\/p>\n<p>\u201cTo put it bluntly, the issue that we\u2019re dealing with is that we have numerous process escapes in the software design, development and test cycle for Starliner,\u201d he said. \u201cThe two software issues that you all know about are indicators of the software problems, but they are likely only symptoms. They are not the real problem.\u201d<\/p>\n<p>Loverro compared the job to checking a car\u2019s spare tire. \u201cIf you have a flat spare tire, you don\u2019t find that out by driving the car,\u201d he said. \u201cYou find it out by opening the trunk and checking the pressure in the tire. \u2026 Our intention is to go check the spare and make sure it\u2019s inflated properly.\u201d<\/p>\n<p>Kathy Lueders, program manager for NASA\u2019s Commercial Crew Program, said the investigative team has already come up with a list of 11 high-priority corrective actions, mostly having to do with addressing known software errors and tightening up testing procedures.<\/p>\n<p>\u201cWe\u2019re going to take those actions, along with further actions that Doug and the EO [exploration and operations] team have given us, to make sure that we\u2019re really addressing root cause,\u201d she said.<\/p>\n<p>One of the requirements will be to take a closer look at the full Starliner software package, which Boeing says amounts to a million lines of code.<\/p>\n<p>Bridenstine said it was too early to predict how the safety review might affect plans for future Starliner flights. Eventually, NASA will have to decide whether or not to require another uncrewed flight test before astronauts climb on board.<\/p>\n<p>If NASA requires another uncrewed test, the do-over would probably make use of the Starliner craft that\u2019s currently being prepared for the first crewed flight, Peter McGrath, global sales and marketing director for Boeing\u2019s space exploration business, said this week at the Pacific Northwest Aerospace Alliance\u2019s annual conference in Lynnwood, Wash.<\/p>\n<p>In that scenario, the Starliner capsule that flew in December would be refurbished for the first crewed mission, McGrath said. Boeing estimates that it should take about four months to get a Starliner ready for reuse. However, in a report issued last week, the Government Accountability Office said the first round of refurbishment could take longer than that because it\u2019s never been done before.<\/p>\n<p>Today Bridenstine reminded reporters that NASA is working with SpaceX as well as with Boeing to develop commercial space taxis. Over the past year, SpaceX\u2019s Crew Dragon has successfully conducted an uncrewed mission to the space station as well as an in-flight abort test. In the wake of last month\u2019s abort test, SpaceX CEO Elon Musk said the first crewed flight would probably take place in the April-June time frame if NASA gave the OK.<\/p>\n<p>\u201cWe have two providers, SpaceX and Boeing, that are going to take American astronauts to the International Space Station,\u201d Bridenstine said. \u201cBecause we have dissimilar redundancy, this program is going to continue moving forward in a way that will make our nation proud.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Boeing, NASA, and U.S. Army personnel put a protective cover over Boeing\u2019s CST-100 Starliner spacecraft shortly after its Dec. 22 landing at White Sands Missile Range in New Mexico. (NASA Photo \/ Bill Ingalls) An interim assessment of what went wrong during December\u2019s first uncrewed flight of Boeing\u2019s CST-100 Starliner space taxi has turned up [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[2],"tags":[670,291,717,190,1306],"class_list":["post-17803","post","type-post","status-publish","format-standard","hentry","category-news","tag-boeing","tag-commercial-space","tag-international-space-station","tag-nasa","tag-starliner"],"acf":[],"_links":{"self":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts\/17803"}],"collection":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/comments?post=17803"}],"version-history":[{"count":0,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts\/17803\/revisions"}],"wp:attachment":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/media?parent=17803"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/categories?post=17803"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/tags?post=17803"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}