AD 96-10-16
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | MD-11 | Airworthiness Directives; McDonnell Douglas Model MD-11 Series Airplane |
| aircraft | The Boeing Company | MD-11F | Airworthiness Directives; McDonnell Douglas Model MD-11 Series Airplane |
Unsafe Condition
Damage to cabin sidewall vent box diaphragms can result in non-functional diaphragms during rapid decompression, leading to buckling of floor beams and reduced controllability.
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Required Actions
Inspect sidewall vent box diaphragms within 90 days after the effective date. Repeat inspections every 90 days unless damage exceeds allowable limits, requiring installation of stops and re-identification of assemblies. All vent boxes must have stops installed within 30 months after the effective date.
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Compliance Time
Within 90 days after the effective date (for initial inspection) and within 30 months after the effective date (for full stop installation).
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Affected Aircraft
McDonnell Douglas Model MD-11 and MD-11F airplanes listed in Alert Service Bulletin MD11-25A181, dated September 28, 1995.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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