ANNEX IPART 21

Certification of aircraft and related products, parts and appliances, and of design and production organisations

SECTION ATECHNICAL REQUIREMENTS

SUBPART M —REPAIRS

21.A.439Production of repair parts

Parts and appliances to be used for the repair shall be manufactured in accordance with production data based upon all the necessary design data as provided by the repair design approval holder:

  1. (a)

    under Subpart F; or

  2. (b)

    by an organisation appropriately approved in accordance with Subpart G; or

  3. (c)

    by an appropriately approved maintenance organisation.