CS 26.333 and 26.334 Damage tolerance data for STCs, other changes and repairs to those STCs and changes

• ED Decision 2020/023/R found in: CS-26 Additional Airworthiness Specifications for Operations (No 2015/640) Part-26 (Mar 2023)

CS 26.333 and 26.334 Damage tolerance data for STCs, other changes and repairs to those STCs and changes ED Decision 2020/023/R Compliance with the fatigue and damage tolerance evaluation required by points [26.333(a)(i)](#_DxCrossRefBm881534072) or [26.334(a)(i)](#_DxCrossRefBm881534071) of Part-26 is demonstrated by complying with CS 25.571 Amendment 19, or subsequent amendment, or with the following: (a) The fatigue and damage tolerance evaluation is accomplished in accordance with the damage tolerance requirements of the applicable certification basis or a later amendment, except as provided in point (b) of this CS. (b) For aeroplanes certified on the basis of JAR-25 Change 6 or 14 CFR §25.571 Amendment 44 or equivalent, or an earlier amendment, the fatigue and damage tolerance evaluation of the change or repair is accomplished in accordance with JAR-25 Change 7 or 14 CFR §25.571 Amendment 45, or equivalent, or later amendments, except that residual strength loads may be based upon the fail-safe load cases of the original certification basis. [Issue: 26/3]