| 摘要 |
There is provided a system for monitoring a replaceable unit. The system comprises a passive memory device attached to the replaceable unit forming part of an assembly such as an engine. The passive memory is for storing and for providing access to replaceable unit information comprising unit identification and usage information. The system may further comprise an event detector which may be embodied as an electronic engine controller (EEC) operatively connected to the engine, for accumulating the usage information related to the replaceable unit, and for communicating with the passive memory device to update the unit information stored in the passive memory device with the usage information.
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