AD 2016-23-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Degradation of the aft fairing lower web, which could lead to cracking of the web and could allow flammable fluids to leak into the heat shield pan castings, increasing the risk of an uncontained fire and subsequent structural damage.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the lower web of the aft fairing of the engine struts for discoloration and perform related investigative and corrective actions if necessary. Inspect the heat shield castings for damage and perform corrective actions if necessary. Install gap cover strips. Replace insulation blankets with new insulation blankets. Depending on airplane configuration, perform one-time or repetitive detailed inspections for cracking and deformation of the aft fairing lower structure, and one-time or repetitive conductivity inspections of the aft fairing lower structure, with related investigative and corrective actions if necessary.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 24 months after the effective date of this AD.
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Affected Aircraft
The Boeing Company Model 777-200 and -300 series airplanes, excluding line number (L/N) 940, with specific configurations and groups as detailed in the AD.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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