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: D. Fazioli ( )
Organization:Smiths Aerospace
Date posted: Tue Feb 5 10:25:04 US/Eastern 2002
Subject: Traditional ESS IAW NAVMAP
Is 2 recorded failures which occurred after cycle 5 justification to reduce the ESS tempature cycles from 10 to 5? This failure data is based upon a review of ESS data with respect to 200 WRAs tested over the last 6 months. These WRAs are ultimately used in a military fighter inhabited environment. For the same 200 WRAs, the number of failures recorded was 120 before completing the 5th ESS tempature cycle. We want to reduce cycle time but not at the risk of jeopardizing reliability of the WRAs. Is this adequate data to convince the customer to reduce the number of cycles to 5 in lieu of 10 temperature cycles?


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