Regulation (EU) 2022/1358
This Subpart establishes the requirements for the identification of products and parts designed and produced under this Annex.
Regulation (EU) 2022/1358
(a) The holder of a type certificate, supplemental type certificate, approval of a change to type certificate or approval of a repair design, or the declarant of a declaration of design compliance shall specify in the design data the marking of products and parts designed in accordance with this Annex.
(b) The specifications of the marking shall include the following information:
1. for products:
(i) the name of the production organisation;
(ii) the product designation;
(iii) the serial number of the product;
(iv) any other information appropriate to identify the product;
2. for parts:
(i) a name, trademark, or symbol identifying the production organisation;
(ii) the part number;
(iii) the serial number, in cases where a part to be fitted on a product has been identified as a critical part.
(c) The specification of parts in accordance with point (ii) of point (b)(2) shall include the letter ‘(R)’ at the end of the part number when:
1. the part is from a design subject to a declaration of design compliance in accordance with Subpart C of this Annex;
2. the part is to be released on an EASA Form 1 in accordance with point (a)
3. the part has been produced in accordance with Subpart R of this Annex.
GM1 21L.A.252(b)(2) Identification of parts
ED Decision 2023/013/R
It is not the intent of point 21L.A.252(b)(2) to introduce an obligation for an approved production organisation, declared production organisation or a natural or legal person who produce under subpart R to mark new parts with information which is not identified by the design approval holder or declarant. Therefore, the physical marking of parts is only required when established by the design approval (TC, STC, repair, change) holder or declarant.
GM1 21L.A.252(b)(2)(iii) Identification of critical parts
ED Decision 2023/013/R
PARTS TO BE MARKED
For the purposes of point 21L.A.252(b)(2)(iii), a part that requires individual traceability for the management of its continued airworthiness, as identified by the design approval holder or declarant, should be permanently marked with a part number and a serial number.
The need for the design approval holder or declarant to identify and mark parts may be related to specific requirements for critical parts included in a certification specification. For instance, according to point (c) of CS-E 110 Drawings and Marking of Parts — Assembly of Parts: ‘Certain parts (including Engine Critical Parts; see CS-E 515) as may be required by the Agency must be marked and the constructor must maintain records related to this marking such that it is possible to establish the relevant manufacturing history of the parts.’
Another typical case is for any part subject to an individually specified life limit or inspection requirement when it is also possible for that part to be removed from one serial number of the associated product during maintenance and installed on another serial number of the same product. In this case, the traceability of the part, which is necessary for continued airworthiness management purposes, is not assured through the serial number of the product alone, and it is necessary to maintain records for the part through its serial number.
GM1 21L.A.252(c) Identification of parts produced under Subpart R
ED Decision 2023/013/R
The intent of point 21L.A.252(c) is to prevent a part produced for a declared aircraft and produced under Subpart R from being installed on a type-certified aircraft particularly after a part has been maintained and subsequently released on an EASA Form 1.
To achieve this, the letter ‘R’ is added to the part number. The ICAs and parts catalogue should include an ‘R’ at the end of the part number that is assigned to the part.
If a part is similar to a part that is normally installed on a type-certified aircraft, it is expected that the ICAs and parts catalogue for the type-certified aircraft will include a part number that does not contain an ‘R’ at the end. Therefore, an installer would be prevented from installing a part with a part number ending in ‘R’ because the part number would not match the ICAs and parts catalogue for the type-certified aircraft.
21L.A.253 Identification of products
Regulation (EU) 2022/1358
(a) Any natural or legal person who produces products under Subpart G of Section A of Annex I (Part 21) or under Subpart G or R of this Annex for which the design has been approved or declared in accordance with this Annex shall identify that product as specified in accordance with 21L.A.252 by means of a fireproof marking on a fireproof plate.
(b) The identification plate shall be secured in such a manner that it is accessible and legible, and will not likely be defaced or removed during normal service, or lost or destroyed in an accident, and in the case of a propeller, propeller blade, or propeller hub, placed on a non-critical surface of the item.
(c) For manned balloons, the identification plate shall be secured to the balloon envelope and shall be located, if practicable, where it is legible to the operator when the balloon is inflated. In addition, the basket, load frame assembly and any heater assembly shall be permanently and legibly marked with the name of the production organisation, part number, or its equivalent, and the serial number, or its equivalent.
21L.A.254 Handling of identification data
Regulation (EU) 2022/1358
(a) Any natural or legal person performing maintenance work in accordance with Regulation (EU) No 1321/2014 may, in accordance with methods, techniques and practices established by the Agency:
1. remove, change, or place the identification information referred to in point 21L.A.253; or
2. remove or install an identification plate referred to in point 21L.A.253, when necessary during maintenance operations.
(b) Unless for the purposes stated in point (a) of point 21L.A.254, no person shall remove, change, or place the identification information referred to in point (a) of point 21L.A.253.
(c) Unless for the purposes stated in point (a) of point 21L.A.254, no person shall remove or install any identification plate referred to in point (a) of point 21L.A.253.
(d) No person shall install an identification plate removed in accordance with point (a)(2) on any aircraft, engine, propeller, propeller blade, or propeller hub other than the one from which it was removed.
21L.A.255 Identification of parts
Regulation (EU) 2022/1358
Any natural or legal person who produces parts under Subpart G of Section A of Annex I (Part 21) or under Subpart G or R of this Annex for a product for which the design has been approved or declared in accordance with this Annex shall permanently and legibly mark that part as specified in accordance with point 21L.A.252.