AD Amdt-39-10009

final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 747 Series Airplanes

AD Number
Amdt-39-10009
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 96-NM-52-AD
FR Citation
62 FR 24022

Applicability

TypeManufacturerModelDetails
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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