Airworthiness Directives; Airbus Model A330 and A340 Series Airplanes
airworthiness · Rule · Final rule; request for comments. · Published 2004-12-09 · Effective 2004-12-27 · 69 FR 71351
Document
Document number
04-26791
Federal Register citation
69 FR 71351
Type
Rule
Action
Final rule; request for comments.
Category
airworthiness
Manufacturer
Airbus Model A330 and A340 Series
Publication date
2004-12-09
Effective date
2004-12-27
FAA docket
Docket No. FAA-2004-19816
Abstract
The FAA is adopting a new airworthiness directive (AD) for certain Airbus Model A330 and A340 series airplanes. This AD requires regularly performing a complete electrical shutdown of the airplane to reset the integrated standby instrument system (ISIS). This AD also provides an optional terminating action. This AD is prompted by reports indicating that an airplane lost the ISIS, then, during the same flight, lost all electronic instrument system (EIS) display units. We are issuing this AD to prevent loss of the ISIS, which, if combined with loss of all EIS display units, could reduce the flightcrew's situational awareness and contribute to loss of control of the airplane or impact with obstacles or terrain.