AD 2016-04-17
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Skin lap splices at certain stringers in certain fuselage sections are subject to widespread fatigue damage on aging Model 777 airplanes that have accumulated at least 45,000 total flight cycles, leading to fatigue cracking and consequent risk of sudden decompression and inability to sustain limit flight and pressure loads.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect fuselage skin lap splices in certain fuselage sections to detect cracking; modify left-side and right-side lap splices; and conduct post-modification repetitive inspections for cracks in the modified lap splices, with corrective actions as necessary.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the compliance times specified in the AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
The Boeing Company Model 777-200 series airplanes, certificated in any category, as identified in Boeing Alert Service Bulletin 777-53A0052, dated October 10, 2014.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.