AD 84-15-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | P. V. Shields | A-26B (Army) | Airworthiness Directives; DOUGLAS A-26/B26 Series Airplanes |
| aircraft | P. V. Shields | A-26C (Army) | Airworthiness Directives; DOUGLAS A-26/B26 Series Airplanes |
Unsafe Condition
Failure of a lower spar cap due to cracking or fretting in the area where the nacelle fairing upper edge contacts the lower spar cap surface.
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Required Actions
Perform a visual dye penetrant inspection of the lower forward and aft spar cap areas near each nacelle. Trim the fairing edge to ensure smoothness and 1/16 inch clearance. Repeat inspections at intervals not exceeding 500 hours or 30 hours if damage is found. Polish damaged areas up to 0.030 inches deep and report results within 72 hours.
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Compliance Time
Within ten (10) hours time in service after the effective date of this AD
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Affected Aircraft
Douglas Aircraft Model A-26/B26 series airplanes certificated in all categories, including A-26B (Army) and A-26C (Army) models.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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