Windchill Risk and Reliability Desktop Help
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Windchill FRACAS
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FRACAS Calculations
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FRACAS Calculation Equations
> MTBUMA (Mean Time Between Unscheduled Maintenance Actions)
MTBUMA (Mean Time Between Unscheduled Maintenance Actions)
MTBUMA
is a basic measure of reliability for repairable items. The equation for calculating
MTBUMA
is:
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