{
  "url": "https://openlegislation.uk/eu-regulation-2014-1321/annex-Vb/division-1/division-sectiona/division-subparte/division-ml.a.502",
  "json_url": "https://openlegislation.uk/eu-regulation-2014-1321/annex-Vb/division-1/division-sectiona/division-subparte/division-ml.a.502.json",
  "legislation": "eur/2014/1321",
  "legislation_title": "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)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2014-1321",
  "path": "annex/Vb/division/1/division/sectiona/division/subparte/division/ml.a.502",
  "kind": "division",
  "number": "ML.A.502",
  "heading": "Component maintenance",
  "text": "(a) Components accepted by the owner in accordance with point 21.A.307(b)(2) of Annex I (Part-21) to Regulation (EU) No 748/2012 shall be maintained by any person or organisation, subject to reacceptance by the owner under the conditions of point 21.A.307(b)(2) of that Annex. This maintenance is not eligible for the issuance of a CAA Form 1, as set out in Appendix II of Annex I (Part-M), and shall be subject to the aircraft release requirements.\n(b) Components shall be released in accordance with the following table:\nReleased using an EASA Form 1 (as set out in Appendix II of Annex I (Part-M))\nReleased at aircraft level per point ML.A.801 (not possible to issue an EASA Form 1)\nComponents maintained in accordance with component maintenance data (data issued by the component manufacturer)\nMaintenance other than overhaul\nEngine-rated (for engine) or component-rated (for other components) maintenance organisations\n(i) Aircraft-rated maintenance organisations; and/or\n(ii) independent certifying staff\nOverhaul of components other than engines and propellers\nComponent-rated maintenance organisations\nNot possible\nOverhaul of engines and propellers for CS-VLA, CS-22 and LSA aircraft\nEngine-rated (for engine) or component-rated (for propeller) maintenance organisations\n(iii) Aircraft-rated maintenance organisations; and/or\n(iv) independent certifying staff\nOverhaul of engines and propellers for other than CS-VLA, CS-22 and LSA aircraft\nEngine-rated (for engine) or component-rated (for propeller) maintenance organisations\nNot possible\nComponents maintained in accordance with aircraft maintenance data (data issued by the aircraft manufacturer)\nAll components and all types of maintenance\nEngine-rated (for engine) or component-rated (for other components) maintenance organisations\nAircraft-rated maintenance organisations; and/or\nindependent certifying staff\n(c)Components which are referred to in points (b)(3) to (6) of point 21.A.307 of Annex I (Part-21) to Regulation (EU) No 748/2012 may be maintained by any person or organisation. In such case, by way of derogation from point (b), the maintenance of those components must be released with a “declaration of maintenance accomplished” issued by the person or organisation that performed the maintenance. The “declaration of maintenance accomplished” must contain at least basic details of the maintenance carried out, the date on which the maintenance was completed, and the identification of the organisation that issues it. It is to be considered a maintenance record and equivalent to a CAA Form 1 in respect of the maintained component.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Inserted by Commission Implementing Regulation (EU) 2019/1383 of 8 July 2019 amending and correcting Regulation (EU) No 1321/2014 as regards safety management systems in continuing airworthiness management organisations and alleviations for general aviation aircraft concerning maintenance and continuing airworthiness management (Text with EEA relevance)."
    },
    {
      "type": "F",
      "label": "F2",
      "text": "Words in Annex 5b point ML.A.502(a) substituted (1.7.2024) by The Aviation Safety (Amendment) Regulations 2023 (S.I. 2023/588), regs. 1(3), 29(3)(b)(i)"
    },
    {
      "type": "F",
      "label": "F3",
      "text": "Words in Annex 5b point ML.A.502(a) substituted (1.7.2024) by The Aviation Safety (Amendment) Regulations 2023 (S.I. 2023/588), regs. 1(3), 29(3)(b)(ii)"
    },
    {
      "type": "F",
      "label": "F4",
      "text": "Words in Annex 5b point ML.A.502 substituted (31.12.2020) by The Aviation Safety (Amendment) (EU Exit) Regulations 2020 (S.I. 2020/1116), regs. 1(2), 76(7)(a)"
    },
    {
      "type": "F",
      "label": "F5",
      "text": "Annex 5b point ML.A.502(c) inserted (1.7.2024) by The Aviation Safety (Amendment) Regulations 2023 (S.I. 2023/588), regs. 1(3), 29(3)(c)"
    },
    {
      "type": "X",
      "label": "X1",
      "text": "Inserted by Corrigendum to Commission Implementing Regulation (EU) 2019/1383 of 8 July 2019 amending and correcting Regulation (EU) No 1321/2014 as regards safety management systems in continuing airworthiness management organisations and alleviations for general aviation aircraft concerning maintenance and continuing airworthiness management (Official Journal of the European Union L 228 of 4 September 2019)."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2014/1321/annex/Vb/division/1/division/sectiona/division/subparte/division/ml.a.502",
    "retrieved_at": "2026-11-01T14:47:03.190425+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}