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  1. Hi @UptimeJim, That MTBF mistake is something very commonly made. Not only when it comes to task frequency, but also for spare part strategy. Great explation about using risk and economic as an approach to achieve positive outcomes from your PM. By the way, I went through a situation this weekend that a component wore through, causing significant damage to a piece of equipment. This looks like a good opportunity to use some LDA concepts to improve it. Regards, Raul Martins
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  2. Well described Raul. The failure mode must have a time or usage based distribution. In Weibull analysis it has a beta value greater than 1. The larger the value, the more strongly related to aging the failure is. As in all proactive work we are aiming to reduce the risks of failure. We do that by reducing what happens when the failure occurs (consequence mitigation) or by reducing the probability it will happen. With age related failures, where preventive measures can be effective, they actually prevent most of the failures if they are performed at an early enough time. I've seen quite a
    1 point
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