21.A.433
Requirements for approval of a repair
design
Regulation
(EU) 2021/699
(a) A repair design shall only be approved:
1. when it has been
demonstrated, following the certification programme referred to in point 21.A.432C(b), that the repair design
complies with the type-certification basis incorporated by reference in, as
applicable, either the type-certificate, the supplemental type-certificate or
the APU ETSO authorisation, as well as with any amendments established and notified
by the Agency in accordance with point 21.B.450;
2. when compliance with the
type-certification basis that applies in accordance with point (a)(1)
has been declared and the justifications of compliance have been recorded in
the compliance documents;
3. when no feature or characteristic has
been identified that may make the product unsafe for the uses for which
certification is requested;
4. where the applicant has specified that
it provided certification data on the basis of an arrangement with the owner
of the type-certification data in accordance with point 21.A.432C(b)(7):
(i) when the holder has indicated that it has
no technical objection to the information submitted under point (a)(2);
and
(ii) when the holder has agreed to collaborate with the repair design approval holder to ensure discharge of all obligations for continued airworthiness of the changed product through compliance with point 21.A.451.
5. when, for a repair to an
aeroplane subject to point 26.302 of Annex I
to Regulation (EU) 2015/640, it has been demonstrated that the
structural integrity of the repair and affected structure is at least
equivalent to the level of structural integrity established for the baseline
structure by point 26.302 of Annex I to Regulation
(EU) 2015/640.
(b) The applicant shall submit to the Agency
the declaration referred to in point (a)(2) and, on request by the
Agency, all necessary substantiation data.