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3. Maintainability
As in the case of reliability, our focus is on concepts. For theoretical aspects and calculations, please refer to
Maintainability is defined as the ability of a device to be maintained (preventive maintenance) or restored (corrective maintenance) to its operating state, with particular reference to the time required to carry out these maintenance operations.
When we quantify this parameter, we express this aptitude as the probability of carrying out the maintenance operation in a period of time at most equal to time t.
For example: maintainability (10 hours) = 90%, which implies that in 10% of cases, we have to accept that the actual repair time...
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