AD 2023-17-51
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron | Canada Limited | Airworthiness Directives; Bell Textron Canada Limited Helicopters |
| aircraft | Bell | Textron Canada Limited | Airworthiness Directives; Bell Textron Canada Limited Helicopters |
Unsafe Condition
A disbonded area in a tail rotor (T/R) blade that could result in severe vibration, failure of the T/R blade, and subsequent loss of T/R control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Determining if an affected T/R blade is installed, inspecting each of those T/R blades and, depending on the results, replacing the T/R blade as specified in Transport Canada emergency AD CF-2023-63, which is incorporated by reference. The FAA also limits the installation of T/R blades to certain T/R blades.
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Compliance Time
Before further flight
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Affected Aircraft
Bell Textron Canada Limited Model 407 helicopters with certain serial-numbered T/R blade part number 406-016-100-119 installed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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