From: utzoo!decvax!harpo!eagle!mhtsa!alice!alb Newsgroups: net.columbia Title: Engine Problem May Be a Design Flaw Article-I.D.: alice.1548 Posted: Mon Feb 28 15:21:46 1983 Received: Tue Mar 1 05:00:33 1983 Engineers yesterday found the same problem that occurred in the Number 2 engine of the Challenger in her Number 3 engine as well and pulled both engines today. NASA says the problem, a crack in a hydrogen fuel line, appears to be a design flaw in the new engines. Columbia's engines didn't have the ''improvement'' and thus didn't have the design. No word was given on the effect on STS-6's launch date.