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    REG NASA-LLIS-1232-2002 Lessons Learned - Space Shuttle Safety Upgrades Long-Term Logistics Needs.pdf

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    REG NASA-LLIS-1232-2002 Lessons Learned - Space Shuttle Safety Upgrades Long-Term Logistics Needs.pdf

    1、Lessons Learned Entry: 1232Lesson Info:a71 Lesson Number: 1232a71 Lesson Date: 2002-06-17a71 Submitting Organization: HQa71 Submitted by: David LengyelSubject: Space Shuttle/Safety Upgrades/Long-Term Logistics Needs Description of Driving Event: Elements of the Shuttle systems upgrades portfolio may

    2、 be delayed or deferred necessitating a need to ensure adequate long-term logistics planning for mature systems.Lesson(s) Learned: Some upgrades not only reduce risk but also ensure that NASAs human space flight vehicles have sufficient assets for their entire service lives.Recommendation(s): Make e

    3、very attempt to retain upgrades that improve safety and reliability and provide sufficient assets to sustain human space flight programs. If upgrades are deferred or eliminated, analyze logistics needs for the entire projected life of the Space Shuttle and ISS and adopt a realistic program for acqui

    4、ring and supporting sufficient numbers of suitable components. Evidence of Recurrence Control Effectiveness: NASA and its contractors have continued to maintain and improve on the excellent safety practices and processes and as such, safety has not been compromised. Comprehensive analyses have ident

    5、ified potential upgrades projects that can further reduce risk if fully funded. Examples of needed long-term supportability upgrades that are not currently funded include the Orbiters communication and tracking system, components of the Orbiters data handling system, and the SRB avionics subsystem.

    6、Every attempt is being made to apply available resources to the more promising areas of improvement. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Long-term supportability analysis continues on a periodic basis between Orbiter, Logistics, and SMA.

    7、Most recent orbiter/logistics summit updated the supportability issues list in November 2001. SSP hardware element managers and SSP logistics managers have implemented a continuing supportability assessment analysis which is intended to maintain cognizance of potential supportability issues and to d

    8、evelop mitigation actions. Documents Related to Lesson: N/AMission Directorate(s): a71 Space Operationsa71 Exploration SystemsAdditional Key Phrase(s): a71 Aerospace Safety Advisory Panela71 Financial Managementa71 Hazardous/Toxic Waste/Materialsa71 LogisticsAdditional Info: Approval Info: a71 Approval Date: 2002-06-27a71 Approval Name: Bill Loewya71 Approval Organization: HQa71 Approval Phone Number: 202-358-0528Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-


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