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66.B.20 Record-keeping

Annex III (Part-66) · Regulation (EU) No 1321/2014 · EAR revision 2 Sep 2025

IRImplementing rule

66.B.20Record-keeping

(a)The competent authority shall establish a system of record-keeping that allows adequate traceability of the process to issue, revalidate, change, suspend or revoke each aircraft maintenance licence.

(b)These records shall include for each licence:

1.the application for an aircraft maintenance licence or change to that licence, including all supporting documentation;

2.a copy of the aircraft maintenance licence including any changes;

3.copies of all relevant correspondence;

4.details of any exemption and enforcement actions;

5.any report from other competent authorities relating to the aircraft maintenance licence holder;

6.the records of examinations conducted by the competent authority;

7.the applicable conversion report used for conversion;

8.the applicable credit report used for crediting.

(c)Records referred to in points 1 to 5 of point (b) shall be kept at least 5 years after the end of the licence validity.

(d)Records referred to in points 6, 7 and 8 of point (b) shall be kept for an unlimited period.

IR · 66.B.20 — Regulation (EU) No 1321/2014 · Continuing Airworthiness Easy Access Rules · EAR revision 2 Sep 2025

AMCAcceptable means of compliance

AMC 66.B.20Record-keeping

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1.The record-keeping system should ensure that all records are accessible whenever needed within a reasonable time. These records should be organized in a consistent way throughout the competent authority (chronological, alphabetical order, etc.).

2.All records containing sensitive data regarding applicants or organisations should be stored in a secure manner with controlled access to ensure confidentiality of this kind of data.

3.All computer hardware used to ensure data backup should be stored in a different location from that containing the working data in an environment that ensures they remain in good condition. When hardware or software changes take place special care should be taken that all necessary data continues to be accessible at least through the full period specified in 66.B.20.

AMC · AMC 66.B.20 — Regulation (EU) No 1321/2014 · ED Decision 2015/029/R · Continuing Airworthiness Easy Access Rules · EAR revision 2 Sep 2025

All rules in SECTION B — PROCEDURES FOR COMPETENT AUTHORITIES

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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