HELICOPTERES GUIMBAL Cabri G2 Helicopters - Main Rotor Mast, Tail Boom Fittings and Transmission Shaft - Corrosion Protection Improvement
- Published
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators of affected Cabri G2 helicopters, especially those operating in corrosive environments as defined in the maintenance manual, should apply the corrosion protection modifications following the instructions in the referenced Hélicoptères Guimbal service bulletins. For further technical assistance or to obtain the service bulletins, operators should contact Hélicoptères Guimbal customer support or the EASA Safety Information Section. No specific compliance deadline is stated.
Summary
EASA Safety Information Bulletin 2018-20 is an airworthiness bulletin addressing corrosion protection improvements for Hélicoptères Guimbal Cabri G2 helicopters, specifically serial numbers 1003 to 1233. The bulletin focuses on corrosion issues found on the main rotor mast, tail boom fittings, and transmission shaft. It provides guidance based on Hélicoptères Guimbal service bulletins to inspect, treat, and protect these components.
What changed
This bulletin introduces recommendations to inspect and improve corrosion protection on specific helicopter components following reported corrosion occurrences. It references Hélicoptères Guimbal Service Bulletins 18-023 Revision B, 15-021 Revision C, and 15-006 Revision A, which provide detailed instructions for inspection, rework, and protection. The bulletin clarifies that the issue does not currently warrant mandatory Airworthiness Directive action.
Why it matters
This information is important for operators and maintenance organizations of Cabri G2 helicopters operating in corrosive environments, as corrosion can affect critical structural components. Addressing corrosion proactively helps maintain aircraft airworthiness and safety. Compliance teams benefit from understanding that while the bulletin's recommendations are not mandatory, following them can prevent potential future unsafe conditions.
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