Airworthiness Directives; The Boeing Company Airplanes
The comment period closed Aug 24, 2026.
The FAA proposes to supersede Airworthiness Directive (AD) 2023-07-09, which applies to certain The Boeing Company Model 747-400 and -8 series airplanes. AD 2023-07-09 requires inspecting for wear of the transfer pump housing inlet check valves and transfer pump motor impeller inlet adapters for the horizontal stabilizer fuel tank and doing corrective actions, if necessary, and limits the installa
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- Jul 9, 2026
Rule published
Airworthiness Directives; The Boeing Company Airplanes
Transportation Department
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