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21.A.439 Production of repair parts
Available versions for ERULES-1963177438-3943
Regulation (EU) No 748/2012
found in: Initial Airworthiness and Environmental Protection (748/2012) Part-21 Part-21L (Jul 2024)
Regulation (EU) 2024/1108
found in: Initial Airworthiness and Environmental Protection (748/2012) (Nov 2025)
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21.A.439 Production of repair parts Regulation (EU) No 748/2012 Parts and appliances to be used for the repair shall be manufactured in accordance with production data based upon all the necessary design data as provided by the repair design approval holder: (a) under Subpart F; or (b) by an organisation appropriately approved in accordance with Subpart G; or (c) by an appropriately approved maintenance organisation.
#### 21.A.439 Production of repair parts *Regulation (EU) 2024/1108* Parts, appliances and CMU components to be used for the repair shall be manufactured in accordance with production data based upon all the necessary design data as provided by the repair design approval holder: (a) under Subpart F; or (b) by an organisation appropriately approved in accordance with Subpart G; or (c) by an appropriately approved maintenance organisation.