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AD 2024-15657

Published 2024-07-17 · 1 model · 1 US-registered tails affected · Federal Register

Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes Federal Register ↗

Abstract

The FAA is adopting a new airworthiness directive (AD) for certain De Havilland Aircraft of Canada Limited Model DHC-8-401 and - 402 airplanes. This AD was prompted by reports of moisture in the wing- to-fuselage joint, between the mating front spar and rear spar frame segments. This AD requires a visual inspection of the fuselage front and rear spar frames, an ultrasonic test if applicable, other specified actions, and repair if necessary. The FAA is issuing this AD to address the unsafe condition on these products.

Applicability · by US fleet size

Federal Register text

Verbatim; the Federal Register publication is the legally binding document. Cite: 89 FR 58061. View on Federal Register ↗

[Federal Register Volume 89, Number 137 (Wednesday, July 17, 2024)] [Rules and Regulations] [Pages 58061-58064] From the Federal Register Online via the Government Publishing Office [www.gpo.gov] [FR Doc No: 2024-15657]

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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2023-1885; Project Identifier MCAI-2022-01484-T; Amendment 39-22770; AD 2024-12-06] RIN 2120-AA64

Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

[[Page 58062]]

ACTION: Final rule.

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SUMMARY: The FAA is adopting a new airworthiness directive (AD) for certain De Havilland Aircraft of Canada Limited Model DHC-8-401 and - 402 airplanes. This AD was prompted by reports of moisture in the wing- to-fuselage joint, between the mating front spar and rear spar frame segments. This AD requires a visual inspection of the fuselage front and rear spar frames, an ultrasonic test if applicable, other specified actions, and repair if necessary. The FAA is issuing this AD to address the unsafe condition on these products.

DATES: This AD is effective August 21, 2024. The Director of the Federal Register approved the incorporation by reference of a certain publication listed in this AD as of August 21, 2024.