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Method for identifying a piece of defective equipment in an aircraft

  • US 9,834,317 B2
  • Filed: 09/19/2014
  • Issued: 12/05/2017
  • Est. Priority Date: 09/20/2013
  • Status: Active Grant
First Claim
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1. A method of assistance in troubleshooting for an aircraft, the method comprising:

  • at a troubleshooting assistance server;

    receiving a message transmitted by the aircraft and reporting a fault;

    transmitting to an equipment identifying device, a query formed using the message, and obtaining in response a list of identifiers each associated with a piece of equipment the failure of which can be the cause of the fault, wherein each identifier on the list of identifiers is a unique Functional Item Number (FIN);

    transmitting to an expert system, a query formed using the list of identifiers, and receiving a response that gives, for each FIN identifier, a family of pertinent parameters, with each pertinent parameter being associated with at least one sensor of the aircraft; and

    transmitting, to a data acquisition device on board the aircraft, an acquisition order and receiving in return the measurements of the pertinent parameters;

    wherein the expert system implements the following steps, for each family of pertinent parameters;

    comparing measurements of the pertinent parameters of the family with a predetermined criterion associated with the family; and

    according to the results of the comparison, assigning a priority, to the FIN identifier corresponding to the family, wherein a FIN identifier with high priority corresponds to a piece of equipment which is more likely to be defective and a FIN identifier with low priority corresponds to a piece of equipment which is less likely to be defective.

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