AD 2003-22-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | McDonnell Douglas | MD-11 and -11F | Airworthiness Directives; McDonnell Douglas Model MD-11 and -11F Airplanes |
Unsafe Condition
Corrosion of the barrel nut holes of the upper spar caps and skin panel of the horizontal stabilizer, which could result in structural damage and consequent reduced controllability of the airplane.
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Required Actions
Within 18 months or 6,000 flight hours after the effective date, perform a one-time detailed inspection of the barrel nut holes of the upper spar caps and skin panel of the horizontal stabilizer for corrosion, per Boeing Service Bulletin MD11-55-023, including Appendix A. Before further flight, take follow-on and corrective actions as required by the AD.
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Compliance Time
Within 18 months or 6,000 flight hours after the effective date, whichever is later.
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Affected Aircraft
McDonnell Douglas Model MD-11 and -11F airplanes, as listed in Boeing Service Bulletin MD11-55-023, dated November 28, 2001; certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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