IRImplementing rule
ML.A.502Component maintenance
(a)Components which are accepted by the owner in accordance with point (b)(2) of point 21.A.307 of Annex I (Part 21) or with point (b)(2) of point 21L.A.193 of Annex Ib (Part 21 Light) 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 (b)(2) of point 21.A.307 of Annex I (Part 21) or of point (b)(2) of point 21L.A.193 of Annex Ib (Part 21 Light). This maintenance is not eligible for the issuance of an EASA Form 1, as set out in Appendix II to Annex I (Part-M), and shall be subject to the aircraft release requirements.
(b)Components shall be released in accordance with the following table:
| Released using an EASA Form 1 (as set out in Appendix II of Annex I (Part-M)) | Released at aircraft level per point ML.A.801 (not possible to issue an EASA Form 1) | |
|---|---|---|
| Components maintained in accordance with component maintenance data (data issued by the component manufacturer) | ||
| Maintenance other than overhaul | Engine-rated (for engine) or component-rated (for other components) maintenance organisations | (i) Aircraft-rated maintenance organisations; and/or (ii) independent certifying staff |
| Overhaul of components other than engines and propellers | Component-rated maintenance organisations | Not possible |
| Overhaul of engines and propellers for CS-VLA, CS-22 and LSA aircraft | Engine-rated (for engine) or component-rated (for propeller) maintenance organisations | (iii) Aircraft-rated maintenance organisations; and/or (iv) independent certifying staff |
| Overhaul of engines and propellers for other than CS-VLA, CS-22 and LSA aircraft | Engine-rated (for engine) or component-rated (for propeller) maintenance organisations | Not possible |
| Components maintained in accordance with aircraft maintenance data (data issued by the aircraft manufacturer) | ||
| All components and all types of maintenance | Engine-rated (for engine) or component-rated (for other components) maintenance organisations | Aircraft-rated maintenance organisations; and/or independent certifying staff |
(c)Components which are referred to in points (b)(3) to (b)(6) of point 21.A.307 of Annex I (Part 21) or in points (b)(3) to (b)(6) of point 21L.A.193 of Annex Ib (Part 21 Light) 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 shall be released with a “declaration of maintenance accomplished” issued by the person or organisation that performed the maintenance. The “declaration of maintenance accomplished” shall contain at least basic details of the maintenance carried out, the date on which the maintenance was completed, and the identification of the organisation or person that issues it. It shall be considered a maintenance record and equivalent to an EASA Form 1 in respect of the maintained component.
IR · ML.A.502 — Regulation (EU) No 1321/2014 · Regulation (EU) 2022/1360 · Continuing Airworthiness Easy Access Rules · EAR revision 2 Sep 2025