AD 98-02-06 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 777-200 Series | Airworthiness Directives; Boeing 777-200 Series Airplanes |
Unsafe Condition
Failure of the lock link mechanism to lock the main landing gear (MLG) in the down position, and consequent collapse of the MLG during ground operation.
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Required Actions
Perform a visual inspection to determine the presence and condition of the cotter pin and nut of the lock link mechanism on the side struts and drag struts on the left- and right-hand MLG, in accordance with Boeing Alert Service Bulletin 777-32A0015. Repeat the inspection at intervals not to exceed 75 days or 400 flight cycles, whichever occurs first. Alternatively, replace the existing retention bolt, end caps, washer, and nut with a new lock link assembly per Boeing Service Bulletin 777-32-0016 as a terminating action.
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Compliance Time
Within 30 days after February 9, 1998. Repeat inspections at intervals not to exceed 75 days or 400 flight cycles, whichever occurs first.
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Affected Aircraft
Boeing 777-200 series airplanes, line positions 1 through 40 inclusive.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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