---
title: "21L.A.208 Requirements for the approval of a major repair design — Annex Ib, Initial Airworthiness · Avioverse"
description: "In order to be issued with an approval of a major repair design to a type-certified product, the applicant shall:"
url: "https://avioverse.aero/regulations/easa/initial-airworthiness/annex-ib/section-a-technical-requirements/21l-a-208"
---

# 21L.A.208 Requirements for the approval of a major repair design

Annex Ib · Regulation (EU) No 748/2012 · EAR revision 27 Nov 2025

IR Implementing rule

## 21L.A.208 Requirements for the approval of a major repair design

In order to be issued with an approval of a major repair design to a type-certified product, the applicant shall:

(a) demonstrate that the repair design and the areas affected by the repair design comply with the type-certification basis and the applicable environmental protection requirements as established and notified to the applicant by the Agency in accordance with point 21L.B.201;

(b) demonstrate compliance in accordance with point 21L.A.206;

(c) if the applicant has specified that they provided certification data on the basis of an arrangement with the owner of the type-certification data in accordance with point 21L.A.205(b)(5), demonstrate that the type-certificate holder:

1\. has no technical objection to the information submitted under point 21L.A.205; and

2\. has agreed to collaborate with the applicant to ensure the discharge of all the obligations for continued airworthiness of the repaired product through compliance with points 21L.A.28 and 21L.A.88;

(d) demonstrate that there are no unresolved issues from the physical inspection of the first [article](https://avioverse.aero/glossary/easa/article) of that product with the repair design in the final changed configuration carried out by the Agency in accordance with point 21L.A.206(e)(3).

IR · 21L.A.208 — Regulation (EU) No 748/2012 · Regulation (EU) 2022/1358 · Initial Airworthiness Easy Access Rules · EAR revision 27 Nov 2025

AMC Acceptable means of compliance

## AMC1 21L.A.208 Requirements for the approval of a major repair design

(a) For major repairs approved by EASA, the applicant should use all the AMC and GM to point 21L.A.25.

(b) For major repairs approved by the design organisation approval (DOA) holder on the basis of its privilege as per point 21.A.263(c)(5) of Annex I ([Part 21](https://avioverse.aero/glossary/easa/part-21)), the process described under AMC No 2 to 21.A.263(c)(5), (8) and (9) applies.

AMC · AMC1 21L.A.208 — Regulation (EU) No 748/2012 · ED Decision 2023/013/R · Initial Airworthiness Easy Access Rules · EAR revision 27 Nov 2025

AMC Acceptable means of compliance

## AMC1 21L.A.208(c) Requirements for the approval of a major repair design

For the demonstration by the applicant that there are no unresolved issues, see AMC1 21L.A.27(d).

AMC · AMC1 21L.A.208(c) — Regulation (EU) No 748/2012 · ED Decision 2023/013/R · Initial Airworthiness Easy Access Rules · EAR revision 27 Nov 2025

GM Guidance material

## GM1 21L.A.208 Requirements for the approval of a major repair design

REPAIR DESIGN APPROVAL BY EASA

EASA’s approval is required in cases of major repair designs proposed by design organisation approval (DOA) holders that do not hold the necessary privilege as per point 21.A.263(c)(5) of Annex I ([Part 21](https://avioverse.aero/glossary/easa/part-21)) to Regulation (EU) No 748/2012 to approve certain major repair designs, as well as in cases of minor repair designs proposed by persons or organisations that have submitted a declaration of design capability (declared design organisation) in accordance with Subpart J of Annex Ib ([Part 21 Light](https://avioverse.aero/glossary/easa/part-21-light)) to Regulation (EU) No 748/2012.

GM · GM1 21L.A.208 — Regulation (EU) No 748/2012 · ED Decision 2023/013/R · Initial Airworthiness Easy Access Rules · EAR revision 27 Nov 2025

[All rules in SECTION A - TECHNICAL REQUIREMENTS](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-ib/section-a-technical-requirements)

Consolidated from the EASA Easy Access Rules (revision 27 Nov 2025, extracted 13 Oct 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.