The Federal Housing Finance Agency’s new “servicing project” will take a close look at how large-scale packages of mortgage-servicing rights are sold and transferred, but will also delve into what mortgage bankers thought was a dead issue: minimum servicing fees paid to processors. “You might say that FHFA is tackling the whole servicing arena in a big way,” said one mortgage consultant who has been briefed on the agency’s plans. The regulator’s sudden interest in transfers comes...