Aresearch.57 net.columbia utzoo!decvax!ucbvax!mhtsa!harpo!research!sjb Wed Sep 23 17:46:25 1981 fuel spill As of this morning, workers on the shuttle had removed 181 tiles from the nose area. Some said they smelled fumes from inside the orbiter, but that doesn't necessarily mean that nitrogen tetroxide fuel leaked in. NASA officials are still trying to assess the damage and predict a delay of a week to a month or more. There was no visible damage to the body of the shuttle.