M.A.609 Maintenance data

Annex I (Part-M) · Regulation (EU) No 1321/2014 · EAR revision 2 Sep 2025

IRImplementing rule

M.A.609Maintenance data

The approved maintenance organisation shall hold and use applicable current maintenance data specified in point M.A.401 of this Annex or in point ML.A.401 of Annex Vb (Part-ML), as applicable, in the performance of maintenance, including modifications and repairs. However, in the case of customer-provided maintenance data, the organisation shall only hold and use such data when the maintenance work is in progress.

IR · M.A.609 — Regulation (EU) No 1321/2014 · Regulation (EU) 2019/1383 · Continuing Airworthiness Easy Access Rules · EAR revision 2 Sep 2025

AMCAcceptable means of compliance

AMC M.A.609Maintenance Data

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When an organisation uses customer provided maintenance data, the scope of approval indicated in the maintenance organisation manual should be limited to the individual aircraft covered by the contracts signed with those customers unless the organisation also holds its own complete set of maintenance data for that type of aircraft.

AMC · AMC M.A.609 — Regulation (EU) No 1321/2014 · ED Decision 2015/029/R · Continuing Airworthiness Easy Access Rules · EAR revision 2 Sep 2025

All rules in SECTION A — TECHNICAL REQUIREMENTS

Consolidated from the EASA Easy Access Rules (revision 2 Sep 2025, extracted 17 Aug 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.

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