AD 2016-26-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Robinson | Helicopter Company | Airworthiness Directives; Robinson Helicopter Company Helicopters |
Unsafe Condition
A fatigue crack on the main rotor blade (MRB), which could result in failure of the MRB and loss of helicopter control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Clean each MRB in the specified area, visually inspect the MRB surfaces and trailing edge for cracks, nicks, scratches, dents, or corrosion. If damage is found, repair the MRB to an airworthy configuration or remove it from service. Alter the MRB according to the procedures in the applicable service bulletin.
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Compliance Time
Within 100 hours time-in-service or at the next annual inspection, whichever occurs first.
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Affected Aircraft
Robinson Helicopter Company Model R44 and R44 II helicopters with MRB part number C016-7, Revision AA through AE; and Model R66 helicopters with MRB part number F016-2, Revision A through E.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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