REG NASA-LLIS-1800--2006 Lessons Learned Node 2 Oxygen System Test Process.pdf

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1、Lessons Learned Entry: 1800Lesson Info:a71 Lesson Number: 1800a71 Lesson Date: 2006-4-21a71 Submitting Organization: KSCa71 Submitted by: Robert RuizSubject: Node 2 Oxygen System Test: Process Abstract: Improperly cleaned items lead to significant challenges in parts, design, contamination, safety,

2、vendor tasks, parallel work, and flight PRs. Include very specific instructions on ECDR (cleaning and decontamination request) and understand how contractor(s) and vendors perform their cleaning process. The System Test of the NODE 2 Oxygen Systems using the 82E00026 Test Support Equipment to verify

3、 flow through the Node 2 Low and High pressure lines per OMRSD requirements was successfully performed per TPS SS-NODE2-FLUIDS-T532 but with significant challenges.Description of Driving Event: Items sent out for cleaning came back improperly cleaned Lesson(s) Learned: Include very specific instruct

4、ions on ECDR(cleaning and decontamination request) as to how item needs to be cleaned and with what the item should be cleaned with. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Recommendation(s): Understand how contractor(s) and vendors perform t

5、heir cleaning process .Ensure a second set of eyes verifies the ECDR is completed properly.Have M&P review any out-of-family cleaning requests. Improve communications with vendor. Review ECDR with Quality Witness to ensure they understand the process for cleaning. Evidence of Recurrence Control Effe

6、ctiveness: N/ADocuments Related to Lesson: N/AMission Directorate(s): N/AAdditional Key Phrase(s): a71 Manufacturing and Assemblya71 Integration and Testinga71 Mission Operations and Ground Support Systems.a71 Safety and Mission Assurance.Additional Info: Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-a71 Project: Space Station Node 2 oxygen testApproval Info: a71 Approval Date: 2008-03-14a71 Approval Name: mbella71 Approval Organization: HQProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-