Airworthiness Directives; McDonnell Douglas Model DC-8-62, DC-8-62F, DC-8-63, DC-8-63F, DC-8-72, DC-8-72F, and DC-8-73F Airplanes
airworthiness · Rule · Final rule. · Published 2007-06-20 · Effective 2007-07-25 · 72 FR 33871
Document
Document number
E7-11670
Federal Register citation
72 FR 33871
Type
Rule
Action
Final rule.
Category
airworthiness
Publication date
2007-06-20
Effective date
2007-07-25
FAA docket
Docket No. FAA-2007-27756
Abstract
The FAA is adopting a new airworthiness directive (AD) for all McDonnell Douglas Model DC-8-62, DC-8-62F, DC-8-63, DC-8-63F, DC-8-72, DC-8-72F, and DC-8-73F airplanes. This AD requires deactivating certain components (the sump heater, scavenge valve, and scavenge pump) of the center wing fuel tank. This AD results from fuel system reviews conducted by the manufacturer. We are issuing this AD to prevent certain conditions related to these components, which could lead to a possible ignition source in the fuel tank and a potential fire or explosion.