ENGINEERING ETHICS
ENGINEERING ETHICSThe Space Shuttle Challenger DisasterDepartment of Philosophy and Department of Mechanical ENGINEERING Texas A&M University NSF Grant Number DIR-9012252Instructor's GuideIntroduction To The CaseOn January 28, 1986, seven astronauts were killed when the space shuttle they were piloting, the Challenger,exploded just over a minute into the flight. The failure of the solid rocket booster O-rings to seat properlyallowed hot combustion gases to leak from the side of the booster and burn through the external fuel tank. Thefailure of the O-ring was attributed to several factors, including faulty design of the solid rocket boosters,insufficient low- temperature testing of the O-ring material and the joints that the O-ring sealed, and lack ofproper communication between different levels of NASA GuidelinesPrior to class discussion, ask the students to read the student handout outside of class.
of the engineers working on the project, Robert Ebeling and Roger Boisjoly. Thiokol knew there was a problem with the boosters as early as 1977, and had initiated a redesign effort in 1985. NASA Level I management had been briefed on the problem on August 19, 1985. Almost half of the shuttle flights had experienced O-ring
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