AD 2025-21-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Failure of the upper lock link assembly caused by non-conforming surface roughness, due to tool marks on the surface.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Conduct repetitive inspections for cracking of the upper lock link assembly using eddy current high frequency (ETHF) inspections. Replace any cracked upper lock link assembly with a serviceable one. Install a serviceable upper lock link assembly before further flight if a crack is found during inspection.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 50 flight hours after the effective date of the AD.
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Affected Aircraft
The Boeing Company Model 717-200 airplanes, excluding those with an upper lock link assembly manufactured after December 31, 2001.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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