Definition

A generic term for a system in which the investigation of maintenance errors is carried out within the organisational context in which they have occurred, which takes full account of the concept of a Just Culture.

Description

An effective MEMS or an equivalent process may be a requirement for a maintenance and repair organisation (MRO) to achieve a Part 145 or equivalent NAA regulatory approval. The Maintenance Error Decision Aid (MEDA) system developed by Boeing was the first widespread version of a MEMS and remains popular and widely imitated.