AD 77-16-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Eiriavion Oy | PIK-20D | Airworthiness Directives; Eiriavion Oy (Formerly Molino Oy) Model PIK-20D Sailplanes |
Unsafe Condition
Separation of wing upper panel spar cap and wing main spar shear web.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace wing panels with new serviceable replacements, repair existing panels per appendix 1 of Eiriavion Service Bulletin No. M 17 at an authorized repair facility, or use an approved alternate means of compliance.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
before further flight
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Affected Aircraft
Eiriavion Oy Model PIK-20D sailplanes with serial numbers 20510 through 20532, 20534 through 20540, 20542 through 20544, 20546, 20548, 20552, 20555, and 20556.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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