AD 2025-14-04

final rule
Data completeness: 80%

Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters

AD Number
2025-14-04
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2025-1359
FR Citation
90 FR 31583

Applicability

TypeManufacturerModelDetails
aircraft Airbus Helicopters Deutschland GmbH Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters

Unsafe Condition

over-torqued swashplate bolts on helicopters in service and in production, which could lead to damage to the swashplate bolts and to the threads of the bearing ring and control ring of the swashplate and could affect the structural integrity of the swashplate.

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

Required Actions

removal of certain swashplate bolts from service and replacement with new (never previously installed on a helicopter) bolts, a one-time inspection for damage on the threads of the bearing ring and control ring of the swashplate and, depending on the results of the inspection, corrective actions to include the replacement of the bearing ring or control ring of the swashplate.

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

Compliance Time

Within 50 hours time-in-service or 30 days, whichever occurs first.

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

Affected Aircraft

Airbus Helicopters Deutschland GmbH (AHD) Model MBB-BK117 D-3 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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