Extravehicular Activity (EVA) 3 on Flight Day 6 to service the Hubble Space Telescope (HST) on this second servicing mission (HST SM-02). Extravehicular Mobility Unit (EMU) suited astronauts Mark Lee and Steve Smith work to replace the Engineering/Science Tape Recorder #2 (ESTR-2) in Bay 5 with the new Solid State Recorder (SSR). Smith stands on the Remote Manipulator System (RMS) Manipulator Foot Restraint (MFR) and works in Bay 5 while Lee (identified by red stripe) holds on to telescope handrails and watches Smith's work (072-83). Very dark views of Lee working at the Orbital Replacement Unit (ORU) Carrier (ORUC) small ORU protective enclosure (SOPE) (084-86). Very dark views of Smith with helmet headlight on (087-89). Very black images with little information (090-91). Very dark views of Smith working in Bay 5 with Lee below, watching (092-96). Frames 094 and 096 are usable due to shutter malfunction.