Airworthiness Directives; The Boeing Company Airplanes
The comment period closed Aug 14, 2026.
The FAA proposes to adopt a new airworthiness directive (AD) for certain The Boeing Company Model 747-400 series airplanes. This proposed AD was prompted by reports of potable water leaking into the electrical equipment bay cooling air inlet. This proposed AD would require performing repetitive inspections of potential water sources from the upper deck and the main deck, including potable water an
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Full history
- Jun 30, 2026
Rule published
Airworthiness Directives; The Boeing Company Airplanes
Transportation Department
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