AD 2012-26-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Sikorsky | Aircraft-Manufactured Model S-64F | Airworthiness Directives; Sikorsky Aircraft-Manufactured Model S-64F Helicopters |
Unsafe Condition
A fatigue crack in a flight critical component, which could result in component failure from static overload and subsequent loss of control of the helicopter.
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Required Actions
Remove from service any part with a number of hours time-in-service (TIS) equal to or greater than the part's retirement life as stated in the provided table. Replace the specified components as necessary.
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Compliance Time
Before further flight
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Affected Aircraft
Sikorsky Aircraft Corporation-manufactured Model S-64F helicopters, now under the Erickson Air-Crane Incorporated Model S-64F type certificate, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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