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At Thales we have deplyed our windchill solution and this does infact include the ability to configure an As Built and As Maintained configured structure, i.e. Physical Items. Therefore any changes in the ECR stage can be analysed for the impact to the as Designed configuration, but also every physical instance of that product in the field can be assessed for cost and planning. The change administrator can then assign tasks from Windchill for the Physical Instance in the field to be retrofited or repaired to the latest standard.
This is all managed within the Windchill system. Hope that gives some insight.