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Day 145 for Clayton Anderson. Flight Day 8 for STS-120/10A; Day 6 of Joint Ops.
ISS/Shuttle crew wake-up: 12:38am EDT. Sleeptime: 4:08pm (ISS), 4:38pm (Shuttle). Truss segment P6 was successfully installed at the P5 element, at the end of the port-side truss. Also, all P6 umbilicals were connected without issues. P6 Solar Array Wing 2B was deployed by the crew nominally (~11:25am). Deployment of SAW 4B, consisting of two photovoltaic blankets, each made up of 31 individual segments ("bays"), was aborted at ~12:25pm when one of the bays showed a tear at its corner (not clear at this time whether this happened during deployment or retraction). EVA-3 was completed fully successful, accomplishing all objectives and lasting 7h 8m. Attached P6 to P5 (with SSRMS); (Official start time of the spacewalk was 4:45am EDT (~43 min ahead of schedule). It ended at 11:53am. Total EVA duration (PET = Phase Elapsed Time) was 7h 8m, bringing the EVA total for the first three 10A EVAs to 19h 55m. It was the 95th spacewalk for ISS assembly & maintenance and the 67th from the station (28 from Shuttle, 45 from Quest, 22 from Pirs) totaling 400h 33m. After today's EVA, a total of 111 spacewalkers (81 NASA astronauts, 20 Russians, and ten astronauts representing Japan-1, Canada-4, France-1, Germany-1 and Sweden-3) have logged a total of 587h 57m outside the station on building, outfitting and servicing. It also was the 117th spacewalk by U.S. astronauts.) Before breakfast, CDR Whitson and FE-2-16 Tani (camping out in the Airlock) collected their second saliva samples for the new INTEGRATED IMMUNE experiment payload. (This experiment integrates studies of neuroendocrine & immune responses in humans during and after long-term stay at ISS to provide an understanding for the development of pharmacological tools to countermeasure unwanted immunological side effects during long-duration missions in space (Moon & Mars). Immune protocol requires the collection to occur first thing post-sleep, before eating, drinking and brushing teeth, and all samples are stored at ambient temperature.) FE-1 Yuri Malenchenko serviced the Russian BMP (Harmful Impurities Removal System), starting the ""bake-out"" cycle to vacuum on absorbent bed #1 of the regenerable dual-channel filtration system. The regen process will be terminated at ~3:05pm EDT. Regeneration of bed #2 follows tomorrow. (Regeneration of each of the two cartridges takes about 12 hours and is conducted only during crew awake periods.) FE-2 Clay Anderson, CDR Peggy Whitson and Malenchenko continued with Node-2 outfitting. Clay and Yuri had ~70 min set aside for removing launch restraint bolts from closeout panels, while Peggy configured one (of two) Node-2 RSR (Resupply Stowage Rack) for on-orbit operations, installing a K-BAR (Knee-Brace Assembly Replacement) and restowing a "bad" K-BAR. Afterwards, Anderson worked on the U.S. OGS (Oxygen Generation System) in the Lab, safing an SPS (Secondary Power System) cable connector with Kapton tape, to cover all metal parts. Whitson performed troubleshooting on the failed IV-CPDS (Intravehicular Charged Particle Directional Spectrometer), reformatting its memory drive and loading an executable file from the MEC (Medical Equipment Computer) to verify proper functioning after the reformatting. (The IV-CPDS memory drive was found to be corrupted during the first part of troubleshooting on 10/1. The IV-CPDS is used for taking background radiation readings in the cabin. ) Malenchenko conducted the first recharge of the Motorola Iridium-9505A satellite phone brought up on Soyuz 15S, a monthly routine job. The FE-1 took care of the recharge, completing the process and cleaning up at about 10:55am EDT. (After retrieving it from its location in the Soyuz TMA-11/15S descent module (BO), Yuri initiated the recharging of its lithium-ion battery, monitoring the process every 10-15 minutes as it took place. Upon completion, the phone was returned inside its SSSP Iridium kit and stowed it back in the BO's operational data files (ODF) container. The satphone accompanies returning ISS crews on Soyuz reentry & landing for contingency communications with SAR (Search-and-Rescue) personnel after touchdown (e.g., after an "undershoot" ballistic reentry). The Russian-developed procedure for the monthly recharging has been approved jointly by safety officials. During the procedure, the phone is left in its fire-protective fluoroplastic bag with open flap.) In the course of his day, Yuri also - Conducted the regular task (currently daily) of checkout/verification of IP-1 airflow sensors in the various RS hatchways, including the SM- & FGB-to-Soyuz tunnels, the DC1-to-Progress and FGB-to-Node-1 passageway (this is especially important when the ventilation/circulation system has to cope with a larger crew on board, currently ten persons); Peggy Whitson, assisted by Dan Tani, performed the periodic offloading of the Lab CCAA (Common Cabin Air Assembly) dehumidifier's condensate tank, filling a CWC (Contingency Water Container, #1062) with the collected water slated for processing. (Estimated offload time before termination (leaving ~5.25 kg in the tank): ~30 min.) Malenchenko again had about 50 minutes for general station familiarization and acclimatization, as is standard daily rule for the first two weeks after starting station residency. The two U.S. Flight Engineers, Anderson and Tani, joined for a period of handover activities, used by Clay to familiarize his successor Dan with specific onboard tasks. CDR Whitson again assisted the spacewalkers when they returned at ~11:53am, handling CL repress, joint A/L post-EVA ops, and setting up a DCS 760 camera for EMU glove inspection. Later, Dan Tani reconfigured the cameras for photographing the SAW deployment. Clay performed the regular EVA photo downlink to MCC-H, initiated the recharge of the EVA-3 EMU batteries in the "Quest" BSA, and started METOX (Metal Oxide) canister regeneration in the A/L. ISS crewmembers completed their regular 2.5-hr. physical workout program (about half of which is used for setup & post-exercise personal hygiene) on the CEVIS cycle ergometer (CDR, FE-2, FE-2-16), RED resistive exercise device (FE-1, FE-2), and VELO bike with bungee cord load trainer (FE-1). Yuri transferred the crew's exercise data file to the MEC for downlink, as well as the daily wristband HRM data of the workouts on RED, followed by their erasure on the HRM storage medium (done six times a week). 10A Mission Extension: Mission 10A has been extended by one day to accommodate a rest day (Friday) inserted between EVA-4 and EVA-5. EVA-4, originally planned for 4h 45m, will be extended to full duration (6.5 hrs) to dedicate 100% of the spacewalk to more detailed attention to the Stbd SARJ issue. An R&R repair of a SARJ TBA (Trundle Bearing Assembly) or DLA (Drive Lock Assembly) is currently not planned. The T-RAD (Tile Repair Ablator Dispenser) demonstration in the Shuttle PLB originally scheduled for EVA-4 will be deferred to a later date. EVA-5 timeline remains unchanged from pre-mission plan. Background info on SARJ: Each of the two SARJs enables the solar arrays to always point to the sun by rotating like a Ferris wheel. The port SARJ on P3/P4 provides tracking for the P4 & P6 solar arrays; the starboard SARJ provides tracking for the S4 & S6 solar arrays (S6 to be delivered on 15A). The SARJ can rotate 360 degrees clockwise and counterclockwise. SARJ also provides the structural interface between the P3 or S3 and P4 or S4 elements. It includes hardware to route power & data through the rotating SARJ interface to the outboard truss segment. The SARJ includes an inboard and an outboard race ring, which provide the structural connection between the P3 & P4 elements. Along the circumference of each race ring are gear teeth that mesh with the DLA (Drive Lock Assembly) pinion gear to rotate the SARJ. The outboard race ring is used by the DLA for rotating the SARJ. SARJ inboard & outboard race rings are held together by 12 equally-spaced trundle bearings. Each trundle bearing is fixed to the inboard race ring and is clamped onto the outboard race ring with a roller interface to allow for SARJ rotation. There are three rollers on each trundle bearing that interface with the outboard race ring, - an inner and outer upper roller and a center roller. Each roller consists of two bearings: the primary and journal bearings. The primary bearing rotates. If the primary bearing seizes up, the journal bearings will begin rotating. The journal bearing is designed to operate for about 30 days. There are micro switches in the trundle bearing that allow the ground to know if the journal bearing is rotating. No CEO (Crew Earth Observations) target uplinked for today. ISS Orbit (as of this morning, 8:01am EDT (= epoch)):
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