1. An aircraft lubrication supply system, comprising: a motor operable, upon being energized from a power source, to rotate and supply a drive force; a pump coupled to receive the drive force from the motor and operable, upon receipt thereof, to supply lubricant; and a controller including an updatable system characterization model, the controller coupled to receive a pressure signal representative of lubricant pressure, a temperature signal representative of lubricant temperature, a speed signal representative of motor rotational speed, a motor current signal representative of current being drawn by the motor, a motor voltage signal representative of motor supply voltage, and one or more aircraft condition signals representative of one or more aircraft operating conditions, the controller operable, in response to each of the received signals, to (i) at least selectively energize the motor from the power source, (ii) generate simulation response data using the updatable system characterization model, and (iii) determine lubrication supply system health based, at least in part, on the simulation response data, wherein the controller is configured to allow the updatable system characterization model to be updated in-situ to reflect replacement of one or more aircraft lubrication supply system components.