21L.A.273 Production control system

• Regulation (EU) 2022/1358 found in: Initial Airworthiness and Environmental Protection (No 748/2012) Part-21 Part-21L (Jul 2024)

21L.A.273 Production control system Regulation (EU) 2022/1358 A natural or legal person issuing a statement of conformity ([EASA Form 52B](#_DxCrossRefBm1649097273)) or an authorised release certificate ([EASA Form 1](#_DxCrossRefBm1649096870)) with the applicable declared design data of an aircraft, engine or propeller, or a part thereof, that they have produced, shall establish, implement and maintain a system for controlling production that: (a)     includes processes and procedures that ensure that the aircraft, engine or propeller, and any part thereof, conforms with the applicable declared design data; (b)     ensures that each statement of conformity ([EASA Form 52B](#_DxCrossRefBm1649097273)) or authorised release certificate ([EASA Form 1](#_DxCrossRefBm1649096870)) is only signed by authorised persons; (c)      if flight tests are necessary within the scope of production, has processes in place that ensure that any flight tests are conducted in a safe manner; (d)     ensures that the natural or legal person is in receipt of all the necessary airworthiness and environmental compatibility data to determine conformity; (e)     has procedures in place that ensure that the airworthiness and environmental compatibility data is correctly incorporated in its production data, kept up to date and made available to all the personnel who need access to such data to perform their duties; (f)      includes an inspection system that ensures that any aircraft, engine or propeller, and any part thereof, that are produced by the natural or legal person including their partners, or are supplied from or subcontracted to outside parties, conform with the applicable declared design data and are in a condition for safe operation; (g)     includes an archiving system that records the requirements that have been placed on other organisations such as suppliers and subcontractors. The archived data shall be made available to the competent authority for continuing airworthiness purposes; (h)     ensures that the maintenance of a newly manufactured aircraft is conducted in accordance with the applicable maintenance instructions and that the aircraft is kept in an airworthy condition, and if applicable, a certificate of release to service is issued for any maintenance that has been completed; (i)      includes an internal occurrence reporting system in the interest of safety, to enable the collection and assessment of the occurrence reports collected in accordance with point [21L.A.3](#_DxCrossRefBm1649097723) in order to identify adverse trends or to address deficiencies, and to extract reportable occurrences. This system shall include the evaluation of relevant information relating to occurrences and the promulgation of the related information.