AD 2006-07-26
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aerospatiale | Model ATR42 | Airworthiness Directives; Aerospatiale Model ATR42 Airplanes |
Unsafe Condition
Cracking on the upper skin and ribs of the outer wing box on an in-service airplane, which could result in reduced structural integrity of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform one-time external and internal inspections of the upper skin panels and rib feet of the outer wing boxes from rib 24 to rib 29, as specified in Avions de Transport Regional Service Bulletin ATR42-57-0064. Repair any discrepancies found before further flight using an approved method.
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Compliance Time
Within 3 months after the effective date of this AD or before the accumulation of 4,000 total flight cycles, whichever is later.
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Affected Aircraft
All Aerospatiale Model ATR42-200, -300, -320, and -500 airplanes, certificated in any category.
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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