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: Ken
Organization:ST
Date posted: Sat Aug 31 0:54:45 US/Eastern 2002
Subject: maintainability prediction
Message:
DO we provide any safety factor for maintainability prediction? For e.g if i predicted 4 hours for a specific maintenace level in army context, do i allow contractor to specify the guaranteed MTTR or Mmax to be at 4.5 hours instead of the predicted value? In reliabilty prediction we are taught that predicted reliabilty must be at least 2 times higher than guaranteed reliabilty. Does that apply for Maintaninability Prediction as well?

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