Formulation of a preventive maintenance message relating to the functional degradations of an aircraft
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United States of America Patent
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-
Feb 28, 2012
Grant Date -
Sep 4, 2008
app pub date -
Dec 7, 2007
filing date -
Dec 8, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of preventive maintenance for an aircraft, the aircraft having components, including items of equipment of the aircraft and/or electronic modules and/or physical links. The lifetime information for the components is known. The aircraft also includes means for monitoring the components, a centralized maintenance system, and means for estimating the life time of the components. The aircraft carries out a set of functions, each being ensured by a chain of components. The method comprises several steps including, a first step of locating the degradations of the items of equipment, a second step making it possible to allocate the located degradations to the various functions of the aircraft, a third step of estimating the lifetime of the functions identified in the second step, and a fourth step of formulating the maintenance message constructed on the basis of the previous steps.
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