A lean blowout protection system and method is provided that facilitates improved lean blowout protection while providing effective control of turbine engine speed. with formation of a first calcium sulfate dihydrate crystal slurry, the aqueous acid phase of said slurry having free P2O5 content between 38 and 50 wt % and free SO3 content that is less than 0. Further, a printed circuit board with a via having an open stub is provided. For example, a user may take over the display module or the information that is sent via the network connection by activating their user module. The state of the service may depend, for example, on a collection of service parameter values for availability, reliability, security, integrity and response time.