Airworthiness directives › 2026-06-04
AD 2026-06-04 Airworthiness Directives; Airbus Helicopters Deutschland GmbH
Models named: MBB-BK 117 D-3. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to all Airbus Helicopters Deutschland GmbH Model MBB-BK 117 D-3 helicopters, certificated in any category.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Except as specified in paragraphs (h) and (i) of this AD: Comply with all required actions and compliance times specified in, and in accordance with European Union Aviation Safety Agency AD 2022-0228, dated November 28, 2022 (EASA AD 2022-0228).
Unsafe condition
This AD was prompted by a determination that certain bolts installed on the horizontal control rods of the flight controls were not dye penetrant inspected for cracks during manufacturing and thus are subject to bolt failure. The FAA is issuing this AD to prevent bolt failure, which if not addressed, could result in loss of control of the helicopter.
Affected ADs
None.
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1