Summary
We are adopting a new airworthiness directive (AD) for certain Boeing Model 777 airplanes. This AD requires installing software upgrades to the airplane information management system (AIMS) located in the flight compartment. This AD results from an investigation that revealed that detrimental effects could occur on certain AIMS software during flight. We are issuing this AD to prevent an unannunciated loss of cabin pressure. If an undetected loss of pressure event were to cause an unsafe pressure in the cabin, the flight crew could become incapacitated.
Directive Details
AD Number
FAA-2007-0254
Document Number
E9-3367
Type
Rule
Publication Date
February 26, 2009
Effective Date
April 2, 2009
Affected Manufacturer
Boeing Model 777
Criticality
routine
Emergency
No
Docket ID
Docket No. FAA-2007-0254
Topics
Official Documents
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