26.308 Damage tolerance data for existing repairs to fatigue-critical structure

SI No. 1203/2021

(a)  A holder of a type-certificate (TC) or restricted TC for a turbine-powered large aeroplane certified on or after 1 January 1958 certified to carry 30 passengers or more, or with a payload capacity of 3 402 kg (7 500 lbs) or more, for published repairs existing on 26 February 2021 shall:

(i)  review the repair data and identify each repair specified in the data that affects the fatigue-critical baseline structure and the fatigue-critical modified structure identified in accordance with point (a) of point 26.306 and point (a)(ii) of point 26.307;

(ii)  perform a damage tolerance evaluation for each repair identified in accordance with point (a)(i), unless previously done.

(b)  The holder of a type-certificate (TC) or restricted TC shall submit the damage tolerance data, including DTI, resulting from the evaluation performed in accordance with point (a)(ii) to the CAA before 26 May 2023 for approval, unless already approved in accordance with point 21.A.435(b)(2) of Annex I (Part 21) to Regulation (EU) No 748/2012 before 26 August 2023.