Alteration or modificationmeans a change to the construction, configuration, performance, environmental characteristics, or operating limitations of the affected civil aeronautical product.
Data approved by EASAmeans data approved by the EC Technical Agent or by an organisation approved by that Technical Agent, including US design data reciprocally accepted under Annex 1.
Data approved by the FAAmeans data approved by the FAA Administrator or the Administrator’s designated representative, including EC design data reciprocally accepted under Annex 1.
Overhaulmeans a process that ensures the aeronautical article is in complete conformity with the applicable service tolerances specified in the type certificate holder’s, or equipment manufacturer’s instructions for continued airworthiness, or in the data which is approved or accepted by the Authority.
Special Conditionsmeans those requirements in either Title 14 of the United States Code of Federal Regulations, parts 43 and 145 (hereinafter referred to as 14 CFR part 43 or 145 as applicable) or in Commission Regulation (EC) No 2042/2003 Annex II (hereinafter referred to as EASA Part-145) that have been found, based on a comparison of the regulatory maintenance systems, not to be common to both systems and which are significant enough that they must be addressed.