Airworthiness directives › 2025-18-04
AD 2025-18-04 Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
Models named: EC135P3, EC135T3, MBB-BK 117C-2. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Airbus Helicopters Deutschland GmbH Model EC135P1, EC135P2, EC135P2+, EC135P3, EC135T1, EC135T2, EC135T2+, EC135T3, EC635T2+, MBB-BK 117 C-2, MBB-BK 117 D-2, and MBB-BK 117 D-3 helicopters, certificated in any category. Note 1 to paragraph (c): Helicopters with an EC135P3H designation are Model EC135P3 helicopters, helicopters with an EC135T3H designation are Model EC135T3 helicopters, and helicopters with an MBB-BK 117C-2e designation are Model MBB-BK 117C-2 helicopters.
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 2023-0066, dated March 24, 2023 (EASA AD 2023-0066).
Unsafe condition
This AD was prompted by a review of design data and the determination for a new calculation of accumulated hoist boom cycles (cycles) to factor in external load and repetitive inspections. The FAA is issuing this AD to prevent failure of the hoist boom assembly. The unsafe condition, if not addressed, could lead to in-flight loss of the hoist load and consequent injury to occupants.
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