AD 96-14-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 777-200 Series | Airworthiness Directives; Boeing Model 777-200 Series Airplanes |
Unsafe Condition
Failure of the lockwire on the bearing retainer nut of the pivot fittings of the horizontal stabilizer, leading to loosening of the retainer nut and subsequent migration of the pivot bearing.
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Required Actions
Perform a visual inspection for broken lockwires on the bearing retainer nut within 150 flight cycles after the effective date. Depending on findings, repeat inspections at intervals of 500, 450, or 10 flight cycles and modify the bearing nut retention means within specified flight cycles as per Boeing Alert Service Bulletin 777-55A0003, Revision 1.
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Compliance Time
Within 150 flight cycles after the effective date of this AD
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Affected Aircraft
Boeing Model 777-200 series airplanes; line positions 1, 3, 5, 7, 8, 9, 11, 12, 13, 15, 16, 17, 19, 20, 21, 22, and 23; certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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