AD 2007-13-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 777 | Airworthiness Directives; Boeing Model 777 Airplanes |
Unsafe Condition
Excessive freeplay of control surfaces can cause unacceptable airframe vibration during flight, leading to the potential for flutter, which can cause damage to the control surface structure and consequent loss of control of the airplane.
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Required Actions
Repetitive measurements of the freeplay of the right and left elevators, rudder, and rudder tab, and related investigative and corrective actions if necessary. Repetitive lubrication of the elevator, rudder, and rudder tab components.
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Compliance Time
Within 12,000 flight hours or 36 months, whichever occurs first, for freeplay measurements. Within 5,000 flight hours or 16 months, whichever occurs first, for lubrication.
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Affected Aircraft
All Boeing Model 777 airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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