EASA AD 2017-0139R1
Fuselage — Underbelly Tank Fuel Sump Electrical Bonding — Modification
Summary
The document titled 'Fuselage — Underbelly Tank Fuel Sump Electrical Bonding — Modification' applies to LEONARDO S.p.A. HELICOPTERS model AW189. It addresses modifications related to the electrical bonding of the underbelly tank fuel sump on the fuselage of these helicopters. This modification aims to enhance the safety and reliability of the fuel system.
What Changed
This document introduces a modification to the electrical bonding system of the underbelly tank fuel sump on the AW189 helicopter fuselage. The change involves updating or installing bonding components to ensure proper electrical continuity and reduce the risk of electrical faults. It is a new modification requirement rather than an amendment to existing regulations.
Why It Matters
This modification is important for aviation professionals because it directly impacts the safety and airworthiness of the AW189 helicopters. Proper electrical bonding in the fuel sump area helps prevent potential ignition sources, reducing the risk of fuel-related fires or explosions. Operators, maintenance organizations, and compliance teams must ensure this modification is implemented to maintain regulatory compliance and operational safety.
What To Do
Operators and maintenance organizations responsible for AW189 helicopters should review the modification instructions and incorporate the electrical bonding changes into their maintenance programs. They should schedule and complete the modification within the timeframe specified by the document, if any. Compliance teams should update their records and ensure all affected aircraft meet the new requirements.
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