Patent ID: 7809527

Claim:
A centralized maintenance system for an aircraft, the aircraft including line replaceable units (LRUs), the LRUs including items of equipment and/or electronic modules of the aircraft and/or physical links, the system comprising: at least one digital database including data which is information relating to the LRUs; and means for updating the data of the database allowing an interface between the centralized maintenance system and means specific to an operator, wherein lifetime information for the LRUs is known and included in the centralized maintenance system, wherein said digital database comprises a mean time between failure (MTBF) data of each LRU, the MTBF data is modifiable in the database by the updating means, in the course of a life of each LRU, according to at least one event modifying the failure probabilities for at least one LRU, and wherein an event entails taking into account the mean MTBF, denoted CMTBF, corresponding to the mean of a set of measurements relating to a measured duration between two consecutive failures of an LRU, said measurements being carried out on an enumerated set of LRUs of the same type that are integrated within other aircraft and constitute a feedback of experience relating to the reliability of said LRU.