Equipment / Furnishings — Electric Hoist Installation — Modification
- Published
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- Deadline
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators of affected EC 175 B helicopters must perform the wiring modification and replace the hoist/cargo hook control units as specified in Airbus Helicopters Alert Service Bulletin EC175-25A023. This work must be completed within 1,800 flight hours or 24 months from the effective date of 29 June 2020, whichever occurs first. Alternative methods of compliance may be approved by EASA if properly substantiated.
Summary
EASA Airworthiness Directive 2020-0134 is an airworthiness directive issued for Airbus Helicopters EC 175 B models equipped with specific single or dual electric hoist and cargo hook part numbers. The directive addresses a safety issue related to the hoist/cargo hook load release button potentially causing inadvertent activation of the cable cut function. This AD mandates modifications to the wiring and replacement of certain control units to ensure safe operation.
What changed
EASA Airworthiness Directive 2020-0134 introduces a required modification involving rewiring and replacement of hoist/cargo hook control units on affected EC 175 B helicopters. This is a new directive responding to a reported unsafe condition where the load release button could be inadvertently activated without warning. The directive provides specific instructions referencing Airbus Helicopters Alert Service Bulletin EC175-25A023.
Why it matters
This directive is critical for aviation professionals as it addresses a potential safety hazard that could result in injury to personnel during hoisting operations. Operators and maintenance organizations must ensure compliance to prevent inadvertent cable cuts caused by the control system design flaw. Compliance ensures continued airworthiness and adherence to European Union aviation safety regulations.
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