Abstract
The paper evaluates an application of the resilience measuring tool Resilience Assessment Grid (RAG) in the aircraft components production. For the purpose of the evaluation a specific RAG model for a change process is created. The paper contains a description of change process and the approval process of the engineering change proposal. Paper describes BPMN and FRAM models created to support model RAG and which both clarify relations among the functions inside the management of change process. The paper presents a possible approach for the Resilience Assessment Grid model creation. The outcome is a creation of a change process profile in a company producing aircraft components in which change process and approval of the engineering proposed change is managed, and a recording of a current state of four process potentials that can be used by the company management to develop wider safety awareness among employees.
Highlights
Safety in aviation industry is a mandatory element, especially in a production of aircraft components
The Resilience Assessment Grid (RAG)-based questionnaires were derived from the characteristics of individual potentials and aimed to analyze relations in the specific process of a complex socio-technical system based on respondents’ answers
During the initial stage of the Functional Resonance Analysis Method (FRAM) and Business Process Modeling and Notation (BPMN)-based modeling, the company’s already known issues regarding the change process were discussed with two members of the approval process
Summary
Safety in aviation industry is a mandatory element, especially in a production of aircraft components. To manage the safety of socio-technical system it is important to find a proactive way which will provide the tools to ensure the freedom from unacceptable harm, as defined in Safety-I, but which will provide the way how can organization’s potentials of resilient performance be developed. Since the specific application of RAG presented in this paper is assessing the change process inside a company producing aircraft components (not disclosed due to confidentiality reasons), this section provides description of the change process and the proposed resilience potential measurement in the context. It is mandatory to document product configuration information such as identification number, name, revision, quantity, etc., and to keep information about each proposed change, including the actions of the units responsible for performing individual tasks, or tracking of task schedule fulfillment. Follows the list of individual activities of the change process control regarding BTP production of aircraft components:
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