Direct Current To Direct Current (DDCU) LA1A Trip: Last Thursday, DDCU LA1A tripped off due to a ~40 amp overcurrent. Parallel DDCU LA4A was already off for Battery 4A conditioning. A Failure Investigation Team (FIT) recommended the crew perform troubleshooting steps including rotation of the rack and visual inspection of the DDCUs, wire harnesses, and the Secondary Power Distribution Assembly (SPDA). The crew also performed multimeter measurements on both DDCU outputs on the face of the DDCU as well as on the output cable leading to downstream wiring for indications of a fault. Following the troubleshooting, another FIT was held and the recommendation was to R&R DDCU LA1A which the crew completed this morning. Both DDCUs and Pressurized Mating Adapter (PMA)2 shell heaters were powered on and are operating nominally. CEVIS has been reinstalled. Ground teams have recovered most affected loads with a few remaining items to be repowered tonight. Multi-Omics Operations: The crew supported the Japan Aerospace Exploration Agency (JAXA) Multi-Omics investigation by collecting samples and inserting them in the Minus Eighty-degree Freezer for ISS (MELFI). The investigation evaluates the impacts of space environment and prebiotics on astronauts’ immune function by combining the data obtained from the measurements of changes in the microbiological composition, metabolites profiles, and the immune system. NeuroMapping Operations: The crew set up the hardware and performed this experiment, including testing in both a “strapped in” and ”free floating” body configuration. The investigation studies whether long-duration spaceflight causes changes to the brain, including brain structure and function, motor control, and multi-tasking abilities. It also measures how long it takes for the brain and body to recover from changes. Previous research and anecdotal evidence from astronauts suggests movement control and cognition can be affected in microgravity. The NeuroMapping investigation performs structural and functional magnetic resonance brain imaging (MRI and fMRI) to assess changes that occur after spending an extended period on the ISS. Ammonia Measurement Kit Chip Measurement System (CMS) Battery Changeout: The CMS draws a small amount of current even while inactive, therefore the batteries must be changed periodically to ensure the CMS will activate in an emergency. During this procedure the crew verified that the CMS would have activated using the installed batteries near end-of-life, then replaced them. Treadmill 2 (T2) Monthly Maintenance: The crew completed this regularly scheduled maintenance to inspect the bungee shackle key mount witness marks, Y-Axis isolators, two boot snubbers, and all four snubber arms for signs of free play. Today’s Planned Activities All activities were completed unless otherwise noted. Morning Inspection, Laptop RS1(2) Reboot Morning Inspection, RSS1,2 Reboot / r/g 1460 SM ПСС (Caution & Warning Panel) Test MRM2 comm config to support the P/L Ops KULONOVSKIY KRISTALL. Hardware Setup and Configuration r/g 2578 JEMAL Depress and Vent COSMOCARD. Preparing for and Starting 24-hr ECG Recording / r/g 2579 Multi Omics (MO) Sample Collection RELAKSATSIYA Hardware Setup r/g 2575 Multi Omics (MO) Sample Insertion into MELFI Kulonovskiy Kristall Experiment Run r/g 2578 Multi Omics (MO) Equipment Stowage Multi Omics (MO) Hardware Setup RELAKSATSIYA. Parameter Settings Adjustment r/g 2575 Monthly Inspection of T2 Treadmill System MRM2 Comm Reconfig for Nominal Ops URAGAN. Observation and photography using Photo Equipment / r/g 2581 RELAKSATSIYA. Observation r/g 2575 PHS Evaluation Setup RELAKSATSIYA. Closeout Ops and Hardware Removal r/g 2575 Periodic Health Status (PHS), Subject Periodic Health Status (PHS) – CMO Periodic Health Status (PHS) Data Entry and Hardware Stowage KULONOVSKIY KRISTALL. Copy and Downlink Data / r/g 2578 DUBRAVA. Observation and photography using VSS / r/g 2580 JEMAL Verifying depressurization complete JEM Airlock Depressurization and Vent Confirmation Water Recovery System (WRS): waste tank offload – init Filling (separation) of EDV (KOV) for Elektron or EDV-SV r/g 2590 Progress 432 (Aft) Transfers and IMS Ops / r/g 1812, 1832 Emergency Operations (EMER) Chip Measurement System (CMS) Battery Changeout СОЖ Maintenance HMS Defibrillator Inspection Water Recovery System (WRS): waste tank offload – term WRS – recycle tank fill from EDV Progress 431 (DC1) Stowage and IMS Ops / r/g 2435, 2512, 2584 Dragon Prepack NeuroMapping (NMAP) Test Ops Countermeasures System (CMS) Sprint Exercise Optional Exercise Data Downlink via OCA IMS Delta File Prep URISYS Hardware Setup r/g 2583 RELAKSATSIYA. Charging battery for Relaksatstiya experiment (initiate) / r/g 0167 SPLANH. Diet Restrictions Reminder / r/g 2576 Completed Task List Items iPAD cert update [Active] Ground Activities All activities were completed unless otherwise noted. Nominal ground commanding Three-Day Look Ahead: Tuesday, 06/21: OBT 46S emergency drill, EVA EMU swap, JEMAL antivirus scan Wednesday, 06/22: EMU 3005, 3008 water maintenance/loop scrub Thursday, 06/23: Habitability, Microchannel Diffusion plate changeout QUICK ISS Status – Environmental Control Group: Component Status Elektron On Vozdukh Manual [СКВ] 1 – SM Air Conditioner System (“SKV1”) Off [СКВ] 2 – SM Air Conditioner System (“SKV2”) On Carbon Dioxide Removal Assembly (CDRA) Lab Standby Carbon Dioxide Removal Assembly (CDRA) Node 3 Operate Major Constituent Analyzer (MCA) Lab Idle Major Constituent Analyzer (MCA) Node 3 Operate Oxygen Generation Assembly (OGA) Process Urine Processing Assembly (UPA) Norm Trace Contaminant Control System (TCCS) Lab Off Trace Contaminant Control System (TCCS) Node 3 Full Up
June 21, 2016 at 01:36AM
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