IRImplementing rule
21L.A.11Findings and observations
(a)After the receipt of the notification of findings, the natural or legal person who holds or who has applied for a type certificate, supplemental type certificate, major repair design approval, permit to fly, certificate of airworthiness, restricted certificate of airworthiness, noise certificate or restricted noise certificate, who has declared design compliance, who has declared their design or production capability or who produces aircraft, engines, propellers or parts under Subpart R of this Annex, shall take the following steps within the time period determined by the competent authority in accordance with point (d) or (e) of point 21L.B.21:
1.identify the root cause(s) of, and contributing factor(s) to, the non-compliance;
2.define a corrective action plan and propose it to the competent authority;
3.demonstrate the implementation of the corrective action(s) to the satisfaction of the competent authority.
(b)An observation notified by the competent authority in accordance with point (f) of point 21L.B.21 shall be given due consideration. The natural or legal person shall record the decision taken in respect of those observations.
IR · 21L.A.11 — Regulation (EU) No 748/2012 · Regulation (EU) 2022/1358 · Initial Airworthiness Easy Access Rules · EAR revision 27 Nov 2025