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AD 2024-24531

Published 2024-10-24 · 2 models · 680 US-registered tails affected · Federal Register

Airworthiness Directives; Robinson Helicopter Company Helicopters Federal Register ↗

Abstract

The FAA is adopting a new airworthiness directive (AD) for Robinson Helicopter Company (Robinson Helicopter) Model R22 Beta, R22 Mariner, R44, and R44 II helicopters with a certain governor controller installed. This AD was prompted by reports of engine governor failure, which was a result of water intrusion inside of the governor controller. This AD requires replacing certain governor controllers and prohibits installing those governor controllers on any helicopter. The FAA is issuing this AD to address the unsafe condition on these products.

Applicability · by US fleet size

  • ROBINSON HELICOPTER R44 551 tails
  • ROBINSON HELICOPTER R22 129 tails

Federal Register text

Verbatim; the Federal Register publication is the legally binding document. Cite: 89 FR 84808. View on Federal Register ↗

[Federal Register Volume 89, Number 206 (Thursday, October 24, 2024)] [Rules and Regulations] [Pages 84808-84810] From the Federal Register Online via the Government Publishing Office [www.gpo.gov] [FR Doc No: 2024-24531]

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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2024-1886; Project Identifier AD-2023-01018-R; Amendment 39-22862; AD 2024-20-03] RIN 2120-AA64

Airworthiness Directives; Robinson Helicopter Company Helicopters

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final rule.

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SUMMARY: The FAA is adopting a new airworthiness directive (AD) for Robinson Helicopter Company (Robinson Helicopter) Model R22 Beta, R22 Mariner, R44, and R44 II helicopters with a certain governor controller installed. This AD was prompted by reports of engine governor failure, which was a result of water intrusion inside of the governor controller. This AD requires replacing certain governor controllers and prohibits installing those governor controllers on any helicopter. The FAA is issuing this AD to address the unsafe condition on these products.

DATES: This AD is effective November 29, 2024. The Director of the Federal Register approved the incorporation by reference of certain publications listed in this AD as of November 29, 2024.