AD Amdt-39-11244

final rule
Data completeness: 70%

Airworthiness Directives; Bell Helicopter Textron Canada Model 230 Helicopters

AD Number
Amdt-39-11244
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 98-SW-52-AD
FR Citation
64 FR 43058

Applicability

TypeManufacturerModelDetails
aircraft Textron Canada Model 230 Airworthiness Directives; Bell Helicopter Textron Canada Model 230 Helicopters
aircraft Bell Helicopter Textron Canada Model 230 Airworthiness Directives; Bell Helicopter Textron Canada Model 230 Helicopters

Unsafe Condition

Loss of torque on the vertical fin attachment bolts could lead to bolt fracture, vertical fin separation, and loss of helicopter control.

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

Required Actions

Verify the torque on the vertical fin attachment bolts; inspect the vertical fin and tailboom fittings for cracks, elongation of bolt holes, distortion, and corrosion; re-verify the torque on the bolts after inspection.

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

Compliance Time

Before further flight.

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

Affected Aircraft

Bell Helicopter Textron Canada Model 230 helicopters.

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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