The Reliability Engineering Toolbox

What is FRACAS?

Failure reporting and corrective action systems (FRACAS) is an organized database for aiding in solving reliability problems using a common sense approach by systematically and permanently removing failure mechanism. Good historical data from this system can populate a Weibull database.

Why use FRACAS?

Use data to solve problem by attacking root causes to reduce failures and make reliability grow. Fixing failures requires data-not opinions-to use the data acquisition system in a closed loop to record, analyze, correct, and verify improvements have been achieved. First data reported is usually a symptom of a failure and with a failure investigation, the symptom can be converted into a root cause which requires the system to be editable to correctly report failures.

When to use FRACAS?

The maintenance repair order system usually generates evidence of a failure. Failures with significant costs (repair costs + collateral damage + lost margin from the failure + other appropriate business costs) must be investigated and evaluated to reduce failures and to reduce failure costs. Little is to be gained by spending big money to investigate trivial failures.

Where to use FRACAS?

This is an engineering tool requiring clerical effort to input the data and build the Pareto distributions for identifying significant events requiring corrective action and thus it also becomes a management tool for controlling costs.

These definitions are written by H. Paul Barringer

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Paul Barringer

Paul Barringer, is a reliability, manufacturing, and engineering consultant. His worldwide consulting practice involves, reliability consulting, and training with a variety of discrete and continuous process manufacturing companies and service industries.

He has more than fifty years of engineering and manufacturing experience in design, production, quality, maintenance, and reliability of technical products. His experience includes both technical and bottom-line aspects of operating a business with an understanding of how reliable products and processes contribute to financial business success.

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