AD 2015-09-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Fatigue cracking in the aft lower lug run-out region of the deflection control track, which could result in the loss of the secondary load path for the outboard flap, leading to the loss of the outboard flap and reduced controllability of the airplane in the event that the primary load path also fails.
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Required Actions
Conduct repetitive high frequency eddy current (HFEC) inspections of the aft lower lugs of the deflection control track of the outboard flap for cracks. Replace any cracked deflection control track with a new track assembly. Optional terminating action is provided for the repetitive HFEC inspections even if no crack is found.
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Compliance Time
Within 50 flight hours after the effective date of this AD.
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Affected Aircraft
The Boeing Company Model 767-200, -300, and -400ER series airplanes, including serial numbers 922 through 933 inclusive for certain Model 767-200 and -300 series airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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