IRImplementing rule
26.333Damage tolerance data for STCs and repairs affecting those STCs approved on or after 1 September 2003
(a)For a change approval that was issued on or after 1 September 2003, the approval holder referred to in point 26.330(a) shall:
(i)for changes and published repairs identified in accordance with points (a)(i) and (a)(iii) of point 26.332, respectively, perform a damage tolerance evaluation;
(ii)establish and document the associated DTI, unless this has already been done.
(b)The approval holder referred to in point (a) shall submit the damage tolerance data resulting from the damage tolerance evaluation performed in accordance with point (a)(i) to the Agency before 26 February 2023, for approval, unless it is already approved in accordance with point 21.B.111 of Annex I (Part 21) to Regulation (EU) No 748/2012.
(c)By way of derogation from point (b), for changes that did not have a damage tolerance evaluation requirement in the certification basis, the approval holder referred to in point (a) shall submit the damage tolerance data resulting from the damage tolerance evaluation performed in accordance with point (a) to the Agency, within the following deadlines, whichever occurs later, for approval:
(i)prior to an aeroplane with that change incorporated being operated in accordance with Annex IV (Part- CAT) to Regulation (EU) No 965/2012; or
(ii)before 26 February 2023.
IR · 26.333 — Regulation (EU) 2015/640 · Regulation (EU) 2024/2954 · Part-26 Easy Access Rules · EAR revision 20 Mar 2026