Pset_RepairOccurrence Properties defining repair information for occurrences of element, asset or system. IfcElement IfcAsset IfcSystem IfcElement,IfcAsset,IfcSystem RepairContent Content of repair, reason and nature can be given, e.g. display faults, communication failure, display exchange. RepairDate Date on which the last repair is done on the asset. MeanTimeToRepair Mean time to repair.