REG NASA-LLIS-0475-1993 Lessons Learned - Fit Check of Flight Hardware.pdf

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1、Lessons Learned Entry: 0475Lesson Info:a71 Lesson Number: 0475a71 Lesson Date: 1993-11-08a71 Submitting Organization: LERCa71 Submitted by: G. MichalsonSubject: Fit Check of Flight Hardware Description of Driving Event: During ground operations at KSC, the first United States Microgravity Laboratory

2、 (USML-1) experienced canister fit problems with the LiOH flight storage containers. This resulted in significant overtime and nearly caused delay of the orbiter move to the Vehicle Assembly Building (VAB). The cause of the problem was that a fit check of the canisters in container foam was not done

3、 in the flight configuration at Huntsville, Alabama.Lesson(s) Learned: Canister fit problems can result in significant overtime and delays.Recommendation(s): Conduct a fit check of new flight hardware in full flight configuration prior to shipment to KSC.Evidence of Recurrence Control Effectiveness:

4、 N/ADocuments Related to Lesson: N/AMission Directorate(s): Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-N/AAdditional Key Phrase(s): a71 Ground Operationsa71 Hardwarea71 Test & Verificationa71 TransportationAdditional Info: Approval Info: a71 Approval Date: 1996-11-06a71 Approval Name: Sell Jamesa71 Approval Organization: 501-4a71 Approval Phone Number: 216-433-8618Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-