C.F.R. » Title 14 » CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION › SUBCHAPTER C—AIRCRAFT › PART 21—CERTIFICATION PROCEDURES FOR PRODUCTS AND ARTICLES › Subpart K—Parts Manufacturer Approvals

14 C.F.R. § 21.319

Design changes

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(a) Classification of design changes. (1) A “minor change” to the design of an article produced under a PMA is one that has no appreciable effect on the approval basis.

(2) A “major change” to the design of an article produced under a PMA is any change that is not minor.

(b) Approval of design changes. (1) Minor changes to the basic design of a PMA may be approved using a method acceptable to the FAA.

(2) The PMA holder must obtain FAA approval of any major change before including it in the design of an article produced under a PMA.

Notes of Decisions
Cited in 1 case, 2018–2018 · leading case: Jill Sikkelee v. Precision Airmotive Corp, 907 F.3d 701 (3rd Cir. 2018).
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Jill Sikkelee v. Precision Airmotive Corp, 907 F.3d 701 (3rd Cir. 2018). “14 C.F.R. § 21.319 . At oral argument, the parties agreed that Sikkelee's proposed change to the carburetor's design would be a minor change.”
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