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In this subpart:

21.431 Applicability

This Subpart prescribes the means for the approval of repair designs.

21.433 Approval of designs for repairs

A repair, the design of which has not been approved under the type certificate or type acceptance certificate, is to be treated as a design change to be approved in accordance with Subparts C, D, or E.

 

Subpart L

Subpart N