{"id":22594,"date":"2019-01-07T19:18:32","date_gmt":"2019-01-07T19:18:32","guid":{"rendered":"https:\/\/freeflysystems.com\/blog\/knowledge-base\/sb05-signal-wire-issue-2015-09-28"},"modified":"2023-02-08T04:49:11","modified_gmt":"2023-02-08T04:49:11","slug":"sb05-signal-wire-issue-2015-09-28","status":"publish","type":"kb_article","link":"https:\/\/freeflysystems.com\/knowledge-base\/sb05-signal-wire-issue-2015-09-28","title":{"rendered":"SB05 Signal Wire Issue (2015-09-28)"},"content":{"rendered":"<p>This Service Bulletin (SB) was prompted by internal testing conducted by Freefly. It indicates fatigue damage of motor signal wires is possible with repeated folding and unfolding of Alta booms. This damage may not be detected by the flight controller initialization process, and lead to loss of signaling to motors and a potential loss of control of Alta while it is in flight.<\/p>\n<p>We are issuing this SB because we determined the unsafe condition described previously is likely to exist or develop in other\u00a0products of this design. It is not possible to non-destructively inspect the extent of signal wire damage.<\/p>\n<p>This issue affects Altas produced before 9\/28\/2015. We have successfully contacted a majority of owners that this affected, but these affected serial numbers that have not come in for service:<\/p>\n<p>764079, 774666,\u00a0389988,\u00a0544456,\u00a0225220<\/p>\n<p>If you have one of these units, please contact support@freeflysystems.com and cease flight operations immediately.<\/p>\n<p>See attached PDF for full details about this service bulletin.<\/p>\n","protected":false},"template":"","class_list":["post-22594","kb_article","type-kb_article","status-publish","hentry","support_category-alta","support_category-alta-service-bulletins","support_tag-fleet-grounding","support_tag-grounding","support_tag-sb","support_tag-signal-wire"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.7 (Yoast SEO v26.0) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>SB05 Signal Wire Issue (2015-09-28) - Freefly Systems<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/FreeflySystems.com\/knowledge-base\/sb05-signal-wire-issue-2015-09-28\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SB05 Signal Wire Issue (2015-09-28)\" \/>\n<meta property=\"og:description\" content=\"This Service Bulletin (SB) was prompted by internal testing conducted by Freefly. It indicates fatigue damage of motor signal wires is possible with repeated folding and unfolding of Alta booms. This damage may not be detected by the flight controller initialization process, and lead to loss of signaling to motors and a potential loss of [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/FreeflySystems.com\/knowledge-base\/sb05-signal-wire-issue-2015-09-28\" \/>\n<meta property=\"og:site_name\" content=\"Freefly Systems\" \/>\n<meta property=\"article:modified_time\" content=\"2023-02-08T04:49:11+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/freeflysystems.com\/wp-content\/uploads\/2023\/02\/freefly-og-logo.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"630\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/FreeflySystems.com\/knowledge-base\/sb05-signal-wire-issue-2015-09-28\",\"url\":\"https:\/\/FreeflySystems.com\/knowledge-base\/sb05-signal-wire-issue-2015-09-28\",\"name\":\"SB05 Signal Wire Issue (2015-09-28) - Freefly Systems\",\"isPartOf\":{\"@id\":\"https:\/\/freeflysystems.com\/#website\"},\"datePublished\":\"2019-01-07T19:18:32+00:00\",\"dateModified\":\"2023-02-08T04:49:11+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/FreeflySystems.com\/knowledge-base\/sb05-signal-wire-issue-2015-09-28#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/FreeflySystems.com\/knowledge-base\/sb05-signal-wire-issue-2015-09-28\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/FreeflySystems.com\/knowledge-base\/sb05-signal-wire-issue-2015-09-28#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/freeflysystems.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"SB05 Signal Wire Issue (2015-09-28)\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/freeflysystems.com\/#website\",\"url\":\"https:\/\/freeflysystems.com\/\",\"name\":\"Freefly Systems\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/freeflysystems.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"SB05 Signal Wire Issue (2015-09-28) - Freefly Systems","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/FreeflySystems.com\/knowledge-base\/sb05-signal-wire-issue-2015-09-28","og_locale":"en_US","og_type":"article","og_title":"SB05 Signal Wire Issue (2015-09-28)","og_description":"This Service Bulletin (SB) was prompted by internal testing conducted by Freefly. It indicates fatigue damage of motor signal wires is possible with repeated folding and unfolding of Alta booms. This damage may not be detected by the flight controller initialization process, and lead to loss of signaling to motors and a potential loss of [&hellip;]","og_url":"https:\/\/FreeflySystems.com\/knowledge-base\/sb05-signal-wire-issue-2015-09-28","og_site_name":"Freefly Systems","article_modified_time":"2023-02-08T04:49:11+00:00","og_image":[{"width":1200,"height":630,"url":"https:\/\/freeflysystems.com\/wp-content\/uploads\/2023\/02\/freefly-og-logo.jpeg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/FreeflySystems.com\/knowledge-base\/sb05-signal-wire-issue-2015-09-28","url":"https:\/\/FreeflySystems.com\/knowledge-base\/sb05-signal-wire-issue-2015-09-28","name":"SB05 Signal Wire Issue (2015-09-28) - Freefly Systems","isPartOf":{"@id":"https:\/\/freeflysystems.com\/#website"},"datePublished":"2019-01-07T19:18:32+00:00","dateModified":"2023-02-08T04:49:11+00:00","breadcrumb":{"@id":"https:\/\/FreeflySystems.com\/knowledge-base\/sb05-signal-wire-issue-2015-09-28#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/FreeflySystems.com\/knowledge-base\/sb05-signal-wire-issue-2015-09-28"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/FreeflySystems.com\/knowledge-base\/sb05-signal-wire-issue-2015-09-28#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/freeflysystems.com\/"},{"@type":"ListItem","position":2,"name":"SB05 Signal Wire Issue (2015-09-28)"}]},{"@type":"WebSite","@id":"https:\/\/freeflysystems.com\/#website","url":"https:\/\/freeflysystems.com\/","name":"Freefly Systems","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/freeflysystems.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"https:\/\/freeflysystems.com\/wp-json\/wp\/v2\/kb_article\/22594","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/freeflysystems.com\/wp-json\/wp\/v2\/kb_article"}],"about":[{"href":"https:\/\/freeflysystems.com\/wp-json\/wp\/v2\/types\/kb_article"}],"wp:attachment":[{"href":"https:\/\/freeflysystems.com\/wp-json\/wp\/v2\/media?parent=22594"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}