(a) The person or organisation maintaining an aircraft shall have access to and use only applicable current maintenance data in the performance of maintenance including modifications and repairs.
(b) For the purposes of this Annex, applicable maintenance data is any of the following:
(1) any applicable requirement, procedure, standard or information issued by the competent authority or the Agency;
(2) any applicable airworthiness directive;
(3) the applicable instructions for continuing airworthiness and other maintenance instructions, issued by the type-certificate holder, supplemental type-certificate holder, a declarant of a declaration of design compliance and any other organisation that publishes such data in accordance with Annex I (Part 21) or, as applicable, Annex Ib (Part 21 Light) to Regulation (EU) No 748/2012;
(4) for components approved for installation by the design approval holder or declarant of a declaration of design compliance, the applicable maintenance instructions published by the component manufacturers and acceptable to the design approval holder or declarant of a declaration of design compliance;
(5) any applicable data issued in accordance with point 145.A.45(d).
(c) The person or organisation maintaining an aircraft shall ensure that all applicable maintenance data is current and readily available for use when required. The person or organisation shall establish a work card or worksheet system to be used and shall either transcribe accurately the maintenance data onto such work cards or worksheets or make precise reference to the particular maintenance task or tasks contained in such maintenance data.
M.A.401 requires maintenance personnel to use only current applicable data, including airworthiness directives and instructions from design holders, and to maintain a work card system.
* Summary by Aviation.Bot - Always consult the original document for the most accurate information.
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