Federal Aviation Regulations
Sec. 39.5 — When does FAA issue airworthiness directives?
FAA issues an airworthiness directive addressing a product when we find that:(a) An unsafe condition exists in the product; and
(b) The condition is likely to exist or develop in other products of the same type design.
NEXT: Sec. 39.7 - What is the legal effect of failing to comply with an airworthiness directive?
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