AD Amdt-39-10520

final rule
Data completeness: 70%

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

AD Number
Amdt-39-10520
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 97-SW-32-AD
FR Citation
63 FR 26429

Applicability

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

Unsafe Condition

Fatigue cracks in the vertical fin spar, including those with steel doublers, caused by a large number of high-power events.

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

Required Actions

Modify and inspect the vertical fin spar. Replace the vertical fin spar with an airworthy one if any crack is discovered before further flight.

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 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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