# Commission Regulation (EU) No 1321/2014 of 26 November 2014 on the continuing airworthiness of aircraft and aeronautical products, parts and appliances, and on the approval of organisations and personnel involved in these tasks (Recast) (Text with EEA relevance), Division M.A.501: Classification and installation

Extent: E+W+S+N.I.

(a) All components shall be classified into the following categories:
(1)Components which are in a satisfactory condition, released on a CAA Form 1 or equivalent and marked in accordance with Subpart Q of Annex I (Part-21) to Regulation (EU) No 748/2012, unless otherwise specified in point 21.A.307 of Annex I (Part-21) to Regulation (EU) No 748/2012 or in this Annex (Part-M) or in Annex Vd (Part-CAO).
(2) Unserviceable components which shall be maintained in accordance with this Regulation.
(3)Components categorised as unsalvageable because they have reached their mandatory life limitation or contain a non-repairable defect.
(4) Standard parts used on an aircraft, engine, propeller or other aircraft component when specified in the maintenance data and accompanied by evidence of conformity traceable to the applicable standard.
(5) Material both raw and consumable used in the course of maintenance when the organisation is satisfied that the material meets the required specification and has appropriate traceability. All materials must be accompanied by documentation clearly relating to the particular material and containing a conformity to specification statement plus both the manufacturing and supplier source.
(b) Components, standard parts and material shall only be installed on an aircraft or a component when they are in a satisfactory condition, belong to one of the categories listed in point (a) and the applicable maintenance data specifies the particular component, standard part or material.

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Source: https://www.legislation.gov.uk/eur/2014/1321/annex/I/division/1/section/A/division/subpart+e/division/m.a.501 (the official version)
Page: https://openlegislation.uk/eu-regulation-2014-1321/annex-I/division-1/section-A/division-subpart+e/division-m.a.501
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.