AD 2025-25-05

final rule
Data completeness: 80%

Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters

AD Number
2025-25-05
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2025-5385
FR Citation
90 FR 58145

Applicability

TypeManufacturerModelDetails
aircraft Airbus Various Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters

Unsafe Condition

Crack found on the fork lever of the mixing lever assembly, which could result in failure of the fork lever and consequent loss of control of the helicopter.

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

Required Actions

Visually inspect the fork lever for cracks and the mixing lever assembly for missing components, damage, or corrosion. Depending on inspection results, take corrective action and report findings to the manufacturer. Prohibit installing affected fork levers unless certain requirements are met.

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

Airbus Helicopters Deutschland GmbH (AHD) Model BO-105A, BO-105C, BO-105S, BO-105LS A-3, MBB-BK 117 A-3, MBB-BK 117 A-4, MBB-BK 117 B-1, MBB-BK 117 B-2, and MBB-BK 117 C-1 helicopters.

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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