KSC-02PD-1276 - STS-112 final main engine is installed after welding/polishing process KENNEDY SPACE CENTER, FLA. - Workers get ready to install the last engine in orbiter Atlantis after a welding and polishing process was undertaken on flow liners where cracks were detected. All engines were removed for inspection of flow liners. Atlantis will next fly on mission STS-112, scheduled for launch no earlier than Oct. 2. 08/28/2002