FAQ n.104993

The aircraft manufacturers do not take into consideration customized configurations when issuing documentation (such as Service Bulletin). What is EASA policy in order to cope with this issue?


In order to perform any change, the STC applicant shall identify the configuration of the aircraft to be changed as per Part 21.A.101 along with the associated certification basis. It is worth to remind that 'Prior to installation of this change/repair it must be determined that the interrelationship between this change/repair and any other previously installed change and/ or repair will introduce no adverse effect upon the airworthiness of the product.'

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