AD 49-16-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Univair Aircraft Corporation | 108-2 | Airworthiness Directives; Stinson Model 108-2 and 108-3 Series Aircraft |
| aircraft | Univair Aircraft Corporation | 108-3 | Airworthiness Directives; Stinson Model 108-2 and 108-3 Series Aircraft |
Unsafe Condition
Wing fabric loosening along the upper surface of the front and rear spars in the area of the fuel tank causing a spoiler action
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Required Actions
Remove the fuel tank and inspect the upper surface wing fabric for proper installation, looseness, and deterioration. Resecure fabric using at least a 4-inch width of surface tape as reinforcement, dope the upper wing fabric along the spar and wrap securely around spar flange stopping at spar web. Reinstall fuel tanks and seal the 1/8-inch crevice with perma-plastic sealing compound compatible with doped fabric surface. All rework must follow Civil Aeronautics Manual 18.
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Compliance Time
at next periodic inspection but not later than July 1, 1949
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Affected Aircraft
Stinson Model 108-2 and 108-3 Series Aircraft, Serial Numbers 2250 and Up
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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