Forum: Reliability & Maintainability Questions and Answers

Topic: Reliability & Maintainability Questions and Answers

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

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Original Message:

Posted by: Vincent (limpl@ceo.st.com.sg )
Organization:CEO
Date posted: Mon Sep 16 23:24:12 US/Eastern 2002
Subject: Field MTBF
Message:
Currently, I am collecting field failures for my computation of Field MTBF. The fomular used : (Total fleet * utilization hours)/ total field failure. Can someone advice is my compution on Field MTBF is correct if not what is the correct approach? As years passed more failures encountered. How many years of data must I collect in order reflect correct field MTBF? rgds

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