Post-Challenger Evaluation of Space Shuttle Risk Assessment and Management (1988) / Chapter Skim
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2 Introduction
2 Introduction
Pages 10-14
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From page 10... ...
2.2 STUDY APPROACH 2.2.1 Interpretation of Task Following its charge from the Rogers Commission and NASA, the Committee planned initially to focus its audit strictly on certain specific features of the NASA safety process: · the Critical Items List (CIL) and the NASA review of those Shuttle primary and backup units whose failure might result in loss of life, the Shuttle vehicle itself, or the mission (i.e., the Criticality 1, 1R, 2 and 2R items41; · the Failure Modes and Effects Analyses (FMEA)
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From page 11... ...
for this auclit, since the Committee felt that 5 NASA terminology generally refers to the entire Space Shuttle as a "system" composed of four major flight "elements": Orbiter, Space Shuttle Main Engines, Solid Rocket Boosters/Solid Rocket Motors, 6 and External Tank. Each of these elements is composed of major systems which are, in turn, made up of subsystems, units, and components or piece parts.
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From page 12... ...
In this second report, eight new topics were aclclressed, some of them expressing approval of particular aspects of the STS risk assessment and management process, and planned changes, and others highlighting areas of concern on the part of the Committee. Some of the concerns expressed in the interim reports have been resolver]
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From page 13... ...
Dir., Operations JSC, HQ personnel f Process overview, Committee planning SSME, Orbiter FMEA/CIL & hazard analysis audit Discussion of concerns; draft first interim report Review STS risk mangement and operations Overview of MSFC & KSC FMEA/CILs & hazard analyses QRA, Independent contractor FMEA/CIL reviews SSME; STS integration activities SRM&QA status and functions STS integration & software STS oprns, payloads, PCASS, system engineering, draft second interim report Review & discuss information collected Formulate conclusions, recommendations; review drafts Review & approve final text NSTS National Space Transportation System PCASS Program Compliance Assurance and Status System QRA Quantitative Risk Assessment SRM&QA Safety, Reliability Maintainability & Quality Assu rance SSME Space Shuttle Main Engine STS Space Transportation System USAF United States Ai r Force the NSTS Program as the Committee unclerstancis it. That section is provider]
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From page 14... ...
considered to be applicable to other large and complex technological systems which, by their size and complexity, require the involvement of several major centers and organizations for their execution. Finally, ~ series of appendices are provided.
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