AD 2023-17-51

final rule
Data completeness: 70%

Airworthiness Directives; Bell Textron Canada Limited Helicopters

AD Number
2023-17-51
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2023-1813
FR Citation
88 FR 60883

Applicability

TypeManufacturerModelDetails
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.

AI-generated summary from the source AD text. Verify against the official source before acting.

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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