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From: alb@alice.UUCP (Adam L. Buchsbaum)
Newsgroups: net.columbia
Subject: New Heat Sensors
Message-ID: <4163@alice.UUCP>
Date: Sat, 17-Aug-85 00:02:28 EDT
Article-I.D.: alice.4163
Posted: Sat Aug 17 00:02:28 1985
Date-Received: Tue, 20-Aug-85 04:45:21 EDT
Organization: Bell Labs, Murray Hill
Lines: 12

NASA today gave the final goahead for the 24 August launch of
the Discovery (launch time was set for 0838 EDT) after engineers
examined and tested six new heat sensors and certified them
flight ready.  The six were to be installed in the Discovery's
main engines today.

Meanwhile, NASA said that all three heat sensors that gave high
readings during Challenger's ascent (the two in the main engine
that cut off and one in another engine) were damaged during
flight and gave false readings.  The wires and tubes inside the
sensors were not installed correctly and were damaged when exposed
to the 1700 degree heat.