Instruments — Fuse Cover Attachment of Circuit Breaker Panel — Modification
Proposal for consultation. Not binding until EASA issues the final AD; the requirements can still change.
- Published
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators of Airbus Helicopters AS 350 B2, AS 350 B3, and EC 130 B4 models must modify the installation of the affected fuse cover parts within 330 flight hours or 6 months after the directive's effective date. After modification, the installation of any affected fuse cover parts is prohibited. Compliance should be performed following the instructions in the applicable Airbus Helicopters Alert Service Bulletins.
Summary
EASA Airworthiness Directive 26-031 is a proposed directive addressing a modification to the fuse cover attachment on the circuit breaker panel of Airbus Helicopters AS 350 B2, AS 350 B3, and EC 130 B4 models. The directive targets specific fuse covers with part numbers 350A76-2395-20, 350A76-2395-21, and 350A76-2395-23 that are part of certain control units. It aims to enhance safety by preventing interference with the pilot pedal controls.
What changed
This new directive proposes a mandatory modification to reinforce the attachment of the fuse cover on the circuit breaker panel to prevent partial detachment. It introduces a compliance requirement to modify affected parts within 330 flight hours or 6 months, whichever occurs first, and prohibits the installation of affected parts after modification. The directive is based on Airbus Helicopters Alert Service Bulletins ASB AS350-31-10-0002 and ASB EC130-31-10-0001.
Why it matters
This directive is critical for aviation professionals because the partial detachment of the fuse cover can interfere with the pilot's left pedal, potentially reducing yaw control of the helicopter. Operators and maintenance teams must address this unsafe condition promptly to ensure continued safe flight operations and regulatory compliance. Failure to comply could lead to control issues and increased safety risks during helicopter operation.
More for Airbus Helicopters AS 350
All 99- EASA AD 2025-0159R1Placards and Markings – Unlock Sliding Door – InstallationOct 19, 2026
- EASA AD 2026-0052R2Instruments – Fuse Cover Attachment of Circuit Breaker Panel – ModificationSep 24, 2026
- EASA AD 2023-0214R1Fuselage – Tail Rotor Drive Shaft / Rear Transmission Bearing Support – Inspections / ModificationSep 16, 2026
- EASA AD 2024-0144R1Tail Rotor Drive – Shaft-Line – Check / Measurement / ModificationSep 16, 2026
- EASA AD 2026-0146
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