AD 90-02-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 747-400 Series | Airworthiness Directives; BOEING Model 747-400 Series Airplanes |
Unsafe Condition
Failure of certain overhead stowage bin installations could compromise structural integrity.
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Required Actions
Deactivate affected overhead stowage bins in accordance with Boeing Alert Service Bulletin 747-53A2320, Revision 1. Reactivation requires modification of the upper deck floor beam/intercostals per the same service bulletin.
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Compliance Time
within 30 days after the effective date of this AD
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Affected Aircraft
BOEING Model 747-400 series airplanes listed in Boeing Alert Service Bulletin 747-53A2320, dated October 26, 1989.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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