AD 2014-04-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Cracks in the rib upper chord, which could result in the inability of the wing structure to support the limit load condition, and consequent loss of structural integrity of the wing.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Repetitive inspections for cracking of small repairs done on the vertical flange of the rib chord, repetitive inspections for cracking along the upper fillet radius of the rib chord, and a large repair or preventive modification if necessary.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the specified intervals as outlined in the referenced service information.
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Affected Aircraft
The Boeing Company Model 727 airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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