During Conf Call, Boeing CEO Says We've Reduced Travelled Work By 50%; Boeing CFO Says Still Expect To Be In A Position To Request Approval To Go Above 38 Per Month Max Production In The Coming Months; Expect To Shut Down 737 Shadow Factory In Q3; Expect To Close Spirit Acquisition This Year; As 737 Production Stabilizes, Co Expects To Reduce Its Buffer Inventory To Normal Levels