AD 76-18-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus Helicopters Deutschland GmbH | BO-105A | Airworthiness Directives; Messerschmitt-Bolkow-Blohm (MBB) Model BO-105A and BO-105C Helicopters |
| aircraft | Airbus Helicopters Deutschland GmbH | BO-105C | Airworthiness Directives; Messerschmitt-Bolkow-Blohm (MBB) Model BO-105A and BO-105C Helicopters |
Unsafe Condition
Failure of the engine mount assembly
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Determine the part numbers of the existing right outboard engine mount flanges and washers and their corresponding replacement flanges and washers. Replace the existing flanges and washers with new ones in accordance with MBB BO-105 Service Bulletin No. 60-25, Revision 1, dated October 13, 1975 or an FAA-approved equivalent.
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Compliance Time
Before the accumulation of 600 hours total time in service (for helicopters with ≤500 hours on effective date) or within the next 100 hours time in service (for helicopters with >500 hours on effective date).
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Messerschmitt-Bolkow-Blohm (MBB) Model BO-105A and BO-105C helicopters, Serial Numbers 1 through 280.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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