Airworthiness Directives; The Boeing Company Airplanes
Primary source
Metadata and text below are from the Federal Register, a public-domain U.S. government work. Always verify the official published version before relying on it for any legal matter.
Issuing agencies
Abstract
The FAA proposes to supersede Airworthiness Directive (AD) AD 2021-06-03, which applies to all The Boeing Company Model 777F series airplanes. AD 2021-06-03 requires deactivating the potable water system. Since the FAA issued AD 2021-06-03, Boeing developed new actions to address the unsafe condition, which terminate the action required by AD 2021-06-03. This proposed AD would retain the actions required by AD 2021-06-03 and would require installing a shroud to the water supply line in the forward cargo compartment, and performing a leak test of the potable water system. For certain airplanes, this proposed AD would also require replacing tubes and hoses from the water supply line and installing a shroud to the water return line. The FAA is proposing this AD to address the unsafe condition on these products.
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