AD 2021-23-18
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | Helicopters Deutschland GmbH | Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters |
| aircraft | Aviat | Various | Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters |
Unsafe Condition
chafing marks on a wiring harness near the locking washer of the lateral control rod, which could result in in-flight loss of the hoist load and possible personal injury, or could generate a burning smell and possible need for the flight crew to implement the applicable emergency procedure.
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Required Actions
an inspection of the wiring harness and the routing of the wiring harness for discrepancies (includes damaged wire harnesses and insufficient clearances) and corrective actions (includes repair of wire harnesses and re-routing the wire harness) if necessary, and an update of the Aircraft Maintenance Programme (AMP) to incorporate certain tasks.
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Compliance Time
Within 50 flight hours
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Affected Aircraft
Airbus Helicopters Deutschland GmbH Model MBB-BK 117 D-2 helicopters, certificated in any category, as identified in European Union Aviation Safety Agency (EASA) AD 2020-0246, dated November 10, 2020 (EASA AD 2020-0246).
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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