{"id":23945743,"date":"2023-12-21T21:10:11","date_gmt":"2023-12-21T20:10:11","guid":{"rendered":"https:\/\/www.eqmc-consulting.de\/project\/re-design-of-a-cabin-pressure-management-system\/"},"modified":"2024-08-05T14:26:13","modified_gmt":"2024-08-05T13:26:13","slug":"re-design-of-a-cabin-pressure-management-system","status":"publish","type":"project","link":"https:\/\/www.eqmc-consulting.de\/en\/project\/re-design-of-a-cabin-pressure-management-system\/","title":{"rendered":"Re-design of a cabin pressure management system"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.23&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;#D9EFFA&#8221; bottom_divider_flip=&#8221;horizontal&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row column_structure=&#8221;1_2,1_2&#8243; _builder_version=&#8221;4.23&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.23&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][dipi_divider content_text=&#8221;Aviation&#8221; content_text_tag=&#8221;h1&#8243; items_alignment=&#8221;left&#8221; hide_second_element=&#8221;on&#8221; first_decoration_style=&#8221;image&#8221; decoration_first_image=&#8221;https:\/\/www.eqmc-consulting.de\/wp-content\/uploads\/BernhardBals-Symbol.png&#8221; first_decoration_width=&#8221;32px&#8221; content_padding=&#8221;5px|10px|5px||true|false&#8221; first_decoration_padding=&#8221;0px|10px|0px|0px|false|false&#8221; first_decoration_bg_color=&#8221;RGBA(255,255,255,0)&#8221; _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; text_font=&#8221;|700|||||||&#8221; text_text_color=&#8221;#F26B27&#8243; text_font_size=&#8221;18px&#8221; text_line_height=&#8221;1.7em&#8221; background_color=&#8221;#F9F9F9&#8243; custom_padding=&#8221;|15px||15px|false|true&#8221; border_radii=&#8221;on|100px|100px|100px|100px&#8221; global_colors_info=&#8221;{}&#8221;][\/dipi_divider][et_pb_text _builder_version=&#8221;4.23&#8243; _module_preset=&#8221;default&#8221; header_2_text_color=&#8221;#0C2A45&#8243; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h2>Re-design of a <strong>cabin pressure management system<\/strong> <\/h2>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.23&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;1_2,1_2&#8243; disabled_on=&#8221;on|on|on&#8221; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; custom_margin=&#8221;||-180px||false|false&#8221; disabled=&#8221;on&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.23&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_column][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.23&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; header_2_font=&#8221;|700|||||||&#8221; header_2_text_color=&#8221;#0C2A45&#8243; header_2_font_size=&#8221;21px&#8221; background_color=&#8221;#F9F9F9&#8243; custom_padding=&#8221;30px|30px|30px|30px|true|true&#8221; border_radii=&#8221;on|6px|6px|6px|6px&#8221; box_shadow_style=&#8221;preset3&#8243; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p><strong>Project details<\/strong><\/p>\n<p>Branch: Aviation<\/p>\n<p>Company: Nord-Micro GmbH &amp; Co. OHG<\/p>\n<p>Period: 09\/2017 &#8211; 05\/2020<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; custom_css_free_form=&#8221;body {||    -ms-hyphens: auto;||    -webkit-hyphens: auto;||    hyphens: auto;||}&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row column_structure=&#8221;1_2,1_2&#8243; use_custom_gutter=&#8221;on&#8221; make_equal=&#8221;on&#8221; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.23&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;30px|30px|30px|30px|true|true&#8221; border_radii=&#8221;on|6px|6px|6px|6px&#8221; border_width_all=&#8221;2px&#8221; border_color_all=&#8221;#0C2A45&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; header_2_font=&#8221;|700|||||||&#8221; header_2_text_color=&#8221;#0C2A45&#8243; header_2_font_size=&#8221;28px&#8221; custom_margin=&#8221;||20px||false|false&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h2>The challenge<\/h2>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>My customer <strong>redeveloped the cabin pressure control system<\/strong> for the commercial aircraft <strong>B737 MAX<\/strong>.<\/p>\n<p>To bring the system to certification within a tight schedule <strong>safely and focused<\/strong>, my client wanted to determine the extent to which existing evidence remains valid for the revised system.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.23&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;30px|30px|30px|30px|true|true&#8221; border_radii=&#8221;on|6px|6px|6px|6px&#8221; border_width_all=&#8221;2px&#8221; border_color_all=&#8221;#0C2A45&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.23&#8243; _module_preset=&#8221;default&#8221; header_2_font=&#8221;|700|||||||&#8221; header_2_text_color=&#8221;#0C2A45&#8243; header_2_font_size=&#8221;28px&#8221; custom_margin=&#8221;||20px||false|false&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h2>Cooperation<\/h2>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>I accompanied the <strong>system development<\/strong> for my customer in accordance with the ARP4754A standard.<\/p>\n<p>In this role, my support focused on <strong>assessing the verification evidence <\/strong>for more than 2,500 requirements related to the cabin pressure management systems of previous B737 versions for their applicability to the B737 MAX. This provided my client with <strong>clarity on the necessary scope of verification<\/strong> for the certification of the revised system.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.23&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;#F9F9F9&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.23&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.23&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.23&#8243; _module_preset=&#8221;fc1a7e47-b83c-4553-a2f0-180d5d9d58f9&#8243; text_orientation=&#8221;center&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h2>What we have achieved<\/h2>\n<h3><strong>Project results<\/strong><\/h3>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;1_3,1_3,1_3&#8243; _builder_version=&#8221;4.23&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;1_3&#8243; _builder_version=&#8221;4.23&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_blurb title=&#8221;Project goal achieved&#8221; use_icon=&#8221;on&#8221; font_icon=&#8221;&#x4e;||divi||400&#8243; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;0340ce56-14e0-4763-a3fc-48fb5c978b24&#8243; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p class=\"p1\"><strong>More than 2,500 complex requirements<\/strong> and their verification evidence had been evaluated within a few months, and my customer had a <strong>complete overview<\/strong> of the <strong>compliance status of the system<\/strong> and its components.<\/p>\n<p>[\/et_pb_blurb][\/et_pb_column][et_pb_column type=&#8221;1_3&#8243; _builder_version=&#8221;4.23&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_blurb title=&#8221;Clear structure&#8221; use_icon=&#8221;on&#8221; font_icon=&#8221;&#xf0c0;||fa||900&#8243; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;0340ce56-14e0-4763-a3fc-48fb5c978b24&#8243; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>At the end of the assignment, all <strong>Lessons Learned<\/strong> from the project and the project results were <strong>clearly communicated to the involved employees<\/strong>, so that they can also benefit from them in future projects.<\/p>\n<p>[\/et_pb_blurb][\/et_pb_column][et_pb_column type=&#8221;1_3&#8243; _builder_version=&#8221;4.23&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_blurb title=&#8221;Confidence for implementation&#8221; use_icon=&#8221;on&#8221; font_icon=&#8221;&#xf3ed;||fa||900&#8243; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;0340ce56-14e0-4763-a3fc-48fb5c978b24&#8243; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p class=\"p1\">After the collaboration, my customer had <strong>clarity<\/strong> on which verification documents were still valid for the revised system. With that, they <strong>knew what to do<\/strong> in order to <strong>deliver the revised system on time<\/strong>.<\/p>\n<p>[\/et_pb_blurb][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.23&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.23&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.23&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_button button_text=&#8221;Arrange a free check-in meeting&#8221; button_alignment=&#8221;center&#8221; _builder_version=&#8221;4.23&#8243; _module_preset=&#8221;c892fb66-996f-4d6a-a73c-f78c4e865adb&#8221; button_border_radius=&#8221;100px&#8221; custom_margin=&#8221;||10px||false|false&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_button][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>My customer redeveloped the cabin pressure control system for the commercial aircraft B737 MAX.<\/p>\n<p>My task was to clarify the scope of verification in order to bring the system to certification safely and effectively within a tight schedule. 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