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    REG NASA-LLIS-0338-1994 Lessons Learned - The Deterioration of Display Hardware Structural Components.pdf

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    REG NASA-LLIS-0338-1994 Lessons Learned - The Deterioration of Display Hardware Structural Components.pdf

    1、Lessons Learned Entry: 0338Lesson Info:a71 Lesson Number: 0338a71 Lesson Date: 1994-07-14a71 Submitting Organization: LARCa71 Submitted by: Bernard LewisSubject: The Deterioration of Display Hardware Structural Components Description of Driving Event: Rehabilitation of the Little Joe/Mercury capsule

    2、 display for the Hampton Aerospace Park revealed an insidious problem with possible serious consequences for personal and public safety - the deterioration of display hardware structural components.Most aerospace public displays consist of surplus aerospace flight hardware that was never designed to

    3、 withstand the adverse effects of years of outdoor display. For example, the Little Joe/Mercury display from the Hampton Aerospace Park contained four structural components that had deteriorated to an unsafe and dangerous condition:1. Tower Marman Band.2. Tower Base Ring.3. Base Marman Band.4. Littl

    4、e Joe Adapter Section.All four structural members have been replaced or repaired as required with stainless steel being substituted wherever possible. All corrodable metal surfaces have been primed and painted. The deteriorated condition of the Little Joe/Mercury hardware raises concerns for display

    5、s at other aerospace-parks. Display custodians should be made aware of this possible problem, urged to make periodic inspections of their displays and support hardware and make repairs where needed.Lesson(s) Learned: Rehabilitation of the Little Joe/Mercury capsule display for the Hampton Aerospace

    6、Park revealed an insidious problem with possible serious consequences for personal and public safety - the deterioration of display hardware structural components.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Recommendation(s): All four structural

    7、members have been replaced or repaired as required with stainless steel being substituted wherever possible. All corrodable metal surfaces have been primed and painted.Evidence of Recurrence Control Effectiveness: N/ADocuments Related to Lesson: N/AMission Directorate(s): N/AAdditional Key Phrase(s)

    8、: a71 Environmenta71 Hardwarea71 Parts Materials & Processesa71 Safety & Mission AssuranceAdditional Info: Approval Info: a71 Approval Date: 1994-08-11a71 Approval Name: Charles Cockrella71 Approval Organization: AFa71 Approval Phone Number: 804-864-3361Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-


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