26.334 Damage tolerance data for STCs and other existing major changes and repairs affecting those STCs or changes approved before 1 September 2003

• Regulation (EU) 2021/97 found in: CS-26 Additional Airworthiness Specifications for Operations (No 2015/640) Part-26 (Mar 2023)
• Regulation (EU) 2024/2954 found in: CS-26 Additional Airworthiness Specifications for Operations (Part-26) (Oct 2025)

26.334 Damage tolerance data for STCs and other changes and repairs to those changes approved before 1 September 2003 Regulation (EU) 2021/97 (a) Upon request of an operator required to comply with point 26.370(a)(ii), a holder of a change approval that was issued before 1 September 2003 shall: (i) for changes and published repairs identified in accordance with paragraph (a)(i) of point 26.332 and paragraph (a) (iii) of point 26.332, perform a damage tolerance evaluation; (ii) establish and document the associated damage tolerance inspection, unless it has already been done. (b) The holder of a change approval shall submit the damage tolerance data resulting from the evaluation performed in accordance with paragraph (a)(i) to the Agency: (i) within 24 months from receipt of a request, for requests received prior to 26 February 2023, for approval; or (ii) before 26 February 2025 or within 12 months from receipt of a request, whichever occurs later, for requests received on or after 26 February 2023, for approval. #### 26.334 Damage tolerance data for STCs and other existing major changes and repairs affecting those STCs or changes approved before 1 September 2003 *Regulation (EU) 2024/2954* (a) Upon request of operators and organisations responsible for the management of continuing airworthiness, to support the compliance with point [26.370](#_DxCrossRefBm783605505)(a)(ii), for a change approval that was issued before 1 September 2003, the approval holder referred to in point [26.330](#_DxCrossRefBm783605479)(a) shall: (i) for changes and published repairs identified in accordance with points (a)(i) and (a)(iii) of point [26.332](#_DxCrossRefBm783605475), 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 evaluation performed in accordance with point (a)(i) to the Agency: (i) within 24 months from receipt of a request, for requests received before 26 February 2023, for approval; or (ii) before 26 February 2025 or within 12 months from receipt of a request, whichever occurs later, for requests received on or after 26 February 2023, for approval.