AD 2016-26-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
The nose wheel well is subject to widespread fatigue damage (WFD), which could adversely affect the structural integrity of the airplane.
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Required Actions
Modify the nose wheel body structure; perform a detailed inspection of the nose wheel body structure for any cracking; conduct a surface HFEC or open hole HFEC inspection of the vertical beam outer chord and web for any cracking; and take all applicable related investigative actions including repetitive inspections and corrective actions.
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Compliance Time
Within the compliance times specified in Boeing Alert Service Bulletin 747-53A2887, dated December 2, 2015.
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Affected Aircraft
The Boeing Company Model 747-100, 747-100B, 747-100B SUD, 747-200B, 747-200C, 747-200F, 747-300, 747-400, 747-400D, 747-400F, 747SR, and 747SP series airplanes, certificated in any category, as identified in Boeing Alert Service Bulletin 747-53A2887, dated December 2, 2015.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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