-flight director leroy cain discussing weather conditions at present with forecasters here.rson in charge. so everybody on their consoles are monitoring their own systems, and they're all reporting into leroy what they're seeing. -columbia, houston. -go ahead, houston. -hey, rick, i guess you've been wondering, but you are go for the de-orbit burn. we are happy with the weather at ksc. you are go for the burn. -de-orbit burn is a major decision in the process. once that de-orbit burn is made, you are committed to landing. they're coming home. one way or the other, they're coming home. ♪ -columbia, houston, good burn, no trim required. -houston, thanks. -we will meet you in post-burn. [ laughter ] ♪ ♪ ♪ -columbia approaching the coast of california now. the shuttle speed is 16,400 miles per hour. ♪ -flight back. go ahead mmacs. -fyi, i've just lost four separate temperature transducers on the left side of the vehicle , hydraulic return temperatures. ♪ -we start seeing anomalies. sensors are starting to fail. -okay, is there anything common to them? dsc or mdm or anything? i m