AD Amdt-39-10009
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 747 | Airworthiness Directives; Boeing Model 747 Series Airplanes |
Unsafe Condition
Corrosion and cracking of the upper deck floor beam at station 980 could cause the beam to break and result in extensive damage to adjacent structure and possible rapid decompression.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform a one-time inspection to detect corrosion and cracking of the upper deck floor beam at station 980. Repair, if necessary.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Boeing Model 747 series airplanes with reports of extensive corrosion at station 980.
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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