WASHINGTON, June 30 -- Federal Aviation Administration has issued a proposed rule called: Airworthiness Directives; The Boeing Company Airplanes.

The proposed rule was published in the Federal Register on June 30 by Brian Knaup, Acting Deputy Director, Integrated Certificate Management Division, Aircraft Certification Service.

Summary: 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 and waste wa...