Serviceable Item as a Bill of Material 
Serviceable Item as a Bill of Material
Definition
A
bill of material describes the structure of a piece of equipment, material or functional location. It comprises a complete, formally structured list of components making up a technical object or assembly. The individual components can be stock or non-stock spares or assemblies, which in turn can be described by another bill of material. Each component is listed with its quantity and unit of measure in the bill of material.
Use
Bills of material have two main uses within maintenance and service:
You can use a bill of material to describe the structure of a piece of equipment, functional location or material, as regards its individual components.
You can use a maintenance bill of material to specify the spare parts that are required for performing the service.
You can use bills of material when processing calls, specifically in order to:
Structure
For customer service purposes, you most frequently require multi-level bills of material that can have any number of levels. The highest level depicts, for example, the customer's equipment. The lower levels depict the components that make up the piece of equipment as well as their components and spares.
Bills of material can be used in the system to manage data for various types of object. The most important types of BOM used in service and maintenance are listed below:
The main use of a material BOM is to represent the structure of the serviceable object. It is created with a direct link to a material master record
The main use of an equipment BOM is to:
A piece of equipment can be linked to the bill of material either directly or indirectly, by means of a material BOM
You can find a more detailed description of the structure and use of bills of material in
PM - Maintenance Bills of Material.