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Forum: Reliability & Maintainability Questions and Answers

Topic: Reliability & Maintainability Questions and Answers

Topic Posted by: Reliability & Maintainability Forum ( )
Organization: System Reliability Center
Date Posted: Mon Aug 31 12:47:36 US/Eastern 1998

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Posted by: Sheila Prather ( )
Organization:Northrop Grumman Corp
Date posted: Fri Oct 26 12:54:29 US/Eastern 2001
Subject: MIL-HDBK-344A - ESS for Electronic Equipment
Mil-hdbk-344A references parametric vs. functional testing? What are the differences in the two?

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Subject: Parametric Testing
Reply Posted by: Dan Mahoney
Date Posted: Thu Nov 8 13:00:47 US/Eastern 2001
Bruce, Good one finding the difference between parametric vs. functional testing. Given one is parametric testing a piece of equipment: Does the equipment lose life/reliability if it is operated above intended environments (overstressed) or run longer than its intended mission duration, but it does not fail the parametric test? At what point should it not be put back into the field? Thanks for any insights you can share.

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