Systems and methods for recording and communicating engine data are provided. One example aspect of the present disclosure is directed to a method for maintaining a wireless communication unit. The method includes transmitting, by one or more computing devices, an identification file to one or more second computing devices associated with a ground system. The method includes automatically retrieving, by the one or more computing devices, a loadable software aircraft part for data load from the one or more second computing devices associated with the ground system. The method includes performing, by the one or more computing devices, a data load using the loadable software aircraft part. The method includes determining, by the one or more computing devices, if the data load was successful. The method includes transmitting, by the one or more computing devices, the determination to the one or more computing devices associated with the ground system.