-flight director leroy cain discussing weather conditions at present with forecasters here. -leroy was the person 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 the