AD Amdt-39-11252

final rule
Data completeness: 70%

Airworthiness Directives; Bell Helicopter Textron, Inc. Model 204B, 205A, and 205A-1 Helicopters

AD Number
Amdt-39-11252
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 98-SW-73-AD
FR Citation
64 FR 43905

Applicability

TypeManufacturerModelDetails
aircraft Textron Various Airworthiness Directives; Bell Helicopter Textron, Inc. Model 204B, 205A, and 205A-1 Helicopters
aircraft Bell Helicopter Textron Airworthiness Directives; Bell Helicopter Textron, Inc. Model 204B, 205A, and 205A-1 Helicopters

Unsafe Condition

Failure of the vertical fin spar (fin spar) leading to loss of the tail rotor and subsequent loss of control of the helicopter.

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

Required Actions

Modify and inspect the fin spar for cracks using visual and dye-penetrant methods. Replace the fin spar if a crack is discovered. Conduct a tapping test for disbonding and replace certain fin spars within 12 calendar months.

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

Compliance Time

Within 12 calendar months of the effective date.

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

Affected Aircraft

Bell Helicopter Textron, Inc. Model 204B, 205A, and 205A-1 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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