AD 2014-28478
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Robinson | Helicopter Company | Airworthiness Directives; Robinson Helicopter Company Helicopters |
Unsafe Condition
Debonding of the blade skin, which could result in blade failure 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
Inspect each main rotor blade at the skin-to-spar line for debonding, corrosion, separation, a gap, or a dent. Replace any damaged blade with an airworthy blade. Within five years of the effective date, replace both main rotor blades with new part-numbered aluminum blades to constitute terminating action of the recurring inspection requirements.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within five years of the effective date.
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Affected Aircraft
Robinson Helicopter Company Model R22, R22 Alpha, R22 Beta, R22 Mariner, R44, and R44 II helicopters with certain main rotor blades installed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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