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: T.R. Pilling (thomas.pilling@langley.af.mil )
Organization:HQ ACC/XR
Date posted: Sat Oct 9 22:35:27 US/Eastern 1999
Subject: Fault Isolation Requirement
Message:
We are currently writing operational requirements for a new fighter aircraft and have received a variety of feedback from contractors regarding a fault isolation requirement. The requirement is currently written as 90% automatic fault isolation to a single ambiguity group (LRU). We've been told that 90% should be easily achieved for avionics but not for hydro-mechanical systems. Is this true? If so, what do you think would be a reasonable requirement given emerging technology over the next 8-10 years? Please respond at your earliest opportunity. Thanks

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