AD 2021-06-05

Recurring final rule
Data completeness: 80%

Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters

AD Number
2021-06-05
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2020-0801
FR Citation
86 FR 17275

Applicability

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

Unsafe Condition

delaminated elastomeric bushings, which could lead to cracks and eventually failure of the engine mount front support pins, possibly resulting in loss of helicopter control.

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

Required Actions

inspect each engine mount elastomeric bushing for defects, deformation, separation of the rubber, and missing rubber; replace the affected parts with serviceable parts; install metal bushing part number (P/N) B712M10X1001; require repetitive inspections of metal bushing P/N B712M10X1001; prohibit the installation of elastomeric bushing P/N 105-60386 on any helicopter.

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

Compliance Time

Before further flight

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Affected Aircraft

Airbus Helicopters Model MBB-BK 117 D-2 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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