![]() ![]() INCO (Instrumentation and Communications Officer Laura Hoppe): Flight, INCO. KLING: Flight, MMACS, those are also off, off- (illegible text)ĬOLUMBIA (Commander Rick Husband): "Roger, buh." HOBAUGH: And Columbia, Houston, we see your tire pressure messages and we did not copy your last.ĬAIN, interrupting: Copy. ![]() KLING: We just lost tire pressure on left outboard and left inboard, both tires. JONES: We have the balloon, it is being run through DDS right now. KLING: And they were all staggered, they were, like I said, within several seconds of each other. KLING: All four of them are offscale low. KLING: The other temps are normal, yes sir.ĬAIN: And when you say you lost these, are you saying that they went to zero (illegible text). KLING: They're all good, we've had good quantities all the way across. I don't see anything out of the ordinary.ĬAIN: All other indications for your hydraulic system indications are good? SARAFIN: Control's been stable through the rolls that we've done so far, Flight, we have good trims. GC (Ground Control Bill Foster): Flight, GC.įOSTER: Your air to grounds are enabled for the landing count.ĬAIN: Everything look good to you, control and rates and everything is nominal, right? SARAFIN: Flight, Guidance, we're processing drag with good residual. KLING: That's all three hydraulic systems, it's, two of them are to the left outboard elevon and two of them to the left inboard And there is no commonality.ĬAIN: MMACS, tell me again which systems they are for. KLING: All four of them are located in the aft part of the left wing, right in front of the elevons, elevon actuators. They were within probably four or five seconds of each other.ĬAIN: OK, where are those? Where is that instrumentation located? KLING: To the left outboard and left inboard elevons.ĬAIN: OK, is there anything common to them, DSC or MDM or anything? I mean, you're telling me you lost them all at exactly the same time? (pause) Two of them on system one and one in each of systems 2 and 3. KLING: FYI I've just lost four separate temperature transducers on the left side of the vehicle, hydraulic return temperatures. MMACS (Maintenance, Mechanical, Arm and Crew Systems Officer Jeff Kling): Flight, MMACS. 82390 Space Shuttle Columbia Disaster Transcript National Aeronautics and Space Administration ![]()
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