Definition(s)
Maintainable Item
Item that constitutes a part or an assembly of parts that is normally the lowest level in the equipment hierarchy during maintenance.
Source: API STD 689, Collection and Exchange of Reliability and Maintenance Data for Equipment, First Edition, July 2007. Global Standards
Maintainable Item
Item that constitutes a part, or an assembly of parts, that is normally the lowest level in the equipment hierarchy during maintenance. See ISO 14224:2006, Annex A, for examples of maintainable items for a variety of equipment.
Source: ISO 20815:2008, Petroleum, petrochemical and natural gas industries – Production assurance and reliability management. Global Standards