AD Amdt-39-11169
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Mitsubishi | YS-11 | Airworthiness Directives; Mitsubishi Model YS-11 Series Airplanes |
Unsafe Condition
Fatigue cracking in the manhole doublers of the lower wing panels could result in failure of the wing structure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Conduct repetitive inspections to detect fatigue cracking in the manhole doublers of the lower wing panels. Repair any detected cracking as necessary. Eventually modify the screw holes in the manhole doublers, which terminates the repetitive inspections.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Not specified in the provided text.
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Affected Aircraft
All Mitsubishi Model YS-11 series airplanes.
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
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