AD 2007-05-51
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | MD | Various | Airworthiness Directives; MD Helicopters Inc. (MDHI) Model MD600N Helicopters |
Unsafe Condition
Cracks in the lateral mixer output link assembly (mixer link), specifically in the bearing end area, emanating from staking marks, could result in failure of the mixer link and subsequent loss of control of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove and visually inspect each mixer link, P/N 600N7636-1, -3, -9, and -11, using a bright light and a 10x or higher magnifying glass. Perform an eddy current inspection of each mixer link in the bearing end areas. Replace any cracked mixer link with an airworthy mixer link that has undergone an eddy current inspection. Perform an eddy current inspection on each mixer link before installing it 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
MD Helicopters Inc. Model MD600N helicopters, mixer links P/N 600N7636-1, -3, -9, and -11.
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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