ASD-STAN prEN 9131:2019

1.1 Application
This standard defines the common nonconformity data definition and documentation that shall be
exchanged between an internal/external supplier or sub-tier supplier, and the customer when
informing about a nonconformity requiring formal decision. The requirements are applicable, partly or
totally, when reporting a product nonconformity to the owner or operator, as user of the end item (e.g.,
engine, aircraft, spacecraft, helicopter), if specified by contract.
Reporting of nonconformity data, either electronically or conventionally on paper, is subject to the
terms and conditions of the contract. This also includes, where applicable, data access under export
control regulations.
1.2 Purpose
The process of exchanging, coordinating, and approving nonconformity data via concession or product
quality escape varies with the multiple relationships and agreements among all parties concerned. The
information provided by this standard forms architecture for submitting and managing data that allows
for concise and accurate communication using various documented methods. The main objective of this
standard is to provide the definition of a data set that can be integrated into any form of communication
(e.g., electronic data interchange, submission of conventional paper forms).