AD 2025-09-01

Recurring final rule
Data completeness: 80%

Airworthiness Directives; Bell Textron Canada Limited Helicopters

AD Number
2025-09-01
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2025-0740
FR Citation
90 FR 17550

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

Possible chafing in certain locations between the basic and supplemental helicopter wiring and the structure, which could lead to a short to ground and command the engine to idle, resulting in loss of control of the helicopter.

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

Required Actions

Repetitively inspect the wire harnesses at specified locations for damage. If any wire damage is found, repair the damaged wire/bundles as specified in Transport Canada AD CF-2024-44.

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

Compliance Time

Within 50 flight hours or 30 days, whichever occurs first.

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

Affected Aircraft

Bell Textron Canada Limited Model 505 helicopters, as specified in Transport Canada AD CF-2024-44.

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

Source: Official FAA Source ↗

Retrieved: Apr 4, 2026

Rights: U.S. Government Public Domain

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