AD 2017-13-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | Helicopters Deutschland GmbH | Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters |
Unsafe Condition
Damage to a bearing in an M/R blade vibration absorber, which could result in bearing failure, loss of balls, damage to the helicopter, and injury to persons on the ground.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace each spacer on the vibration absorber with a flanged spacer. Re-identify each vibration absorber and M/R blade according to Airbus Helicopters Alert Service Bulletin (ASB) MBB-BK117 C-2-62A-009 or MBB-BK117 D-2-62A-001, Revision 1, dated October 28, 2015. Record new P/Ns and serial numbers for each M/R blade.
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Compliance Time
Within 200 hours time-in-service.
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Affected Aircraft
Airbus Helicopters Deutschland GmbH Model MBB-BK 117 C-2 (including configuration C-2e) and Model MBB-BK 117 D-2 helicopters with a main rotor (M/R) blade vibration absorber spacer part number (P/N) 117-801841.11 installed.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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