scope:

This document describes the methodology and the elements to be considered for the creation and modification of a vehicle maintenance plan, up to the validation. This document describes general requirements (list of input data, structure and content) of a maintenance plan. For the creation and modification of a maintenance plan, this document lists: - preparation and selection of documents and input data; - analysis of input data and development of the maintenance plan up to its validation; - process to be followed to create a maintenance plan - reasons to check a current maintenance plan; - risk assessment and process to be followed to modify the maintenance plan; - monitoring conditions (e.g. justification methods, verification, validation, documentation, roles, skills and knowledge). This document applies only to preventive maintenance.