Waste and Hygiene Compartment (WHC) Maintenance: Ground specialists met to discuss the WHC leak that occurred yesterday. Based on review of the imagery the crew took during the cleanup, the ground specialists determined the most likely source of the leak to be a hydroconnector on the Urine Valve Block, but determined that since all of …
Urine Processing Assembly (UPA) Potential Wastewater Storage Tank Assembly (WSTA) Leak: This morning an unexpected caution indicating “UPA Potential WSTA leak” annunciated following use of the Waste and Hygiene Compartment (WHC). The crew isolated the UPA and WHC was configured to internal [EDV] to isolate the system. An on-orbit inspection by the crew showed pretreated …
Preparation for Cygnus Unberth and Release: The crew completed configuring the Cygnus and the Node 1 vestibule in preparation for Cygnus departure on Monday, November 21st. Today’s task included removing Intermodule Ventilation and Power/Data Jumpers, installing the Common Berthing Mechanism (CBM) Center Disk Cover and four CBM Controller Panel Assemblies (CPAs) onto an Active CBM …
49 Soyuz (49S) Launch: 49S launched successfully from the Baikonur Cosmodrome at 2:20 pm CST this afternoon, with Peggy Whitson, Thomas Pesquet, and Oleg Novitskiy. Docking is scheduled for Saturday, November 19th at 4:01 pm CST. Once docked, the ISS crew complement will increase from 3 to 6 crewmembers. Human Research Facility (HRF) Software Upgrades: …
Human Research Facility (HRF) Software Upgrades: Today the crew initiated the second day of HRF software transitions. Today’s upgrades will be to the HRF Personal Computer-3 (HRFPC-3). Based on the compatibility issue observed during the HRF Rack 1 PC upgrade yesterday, ground teams were able to command to the HRF PC without needing to access …
Human Research Facility (HRF) Software Upgrades: The crew initiated the first of three days of HRF software transitions. Today’s upgrade were made to the HRF Rack 1 Personal Computer (PC). The new software loads will support new experiments and on-board capabilities. Although the load and checkout of PC1 was successful, ground teams discovered that several …
Radiation Dosimetry Inside ISS-Neutron (RaDI-N) Retrieval: Today a USOS crewmember retrieved all 8 of the Space Bubble Detectors that were deployed last week around the International Space Station (ISS) for the RaDI-N experiment, and handed them to the Russian crewmember to be processed in the Bubble Reader. The Canadian Space Agency (CSA) RaDI-N investigation measures …
Group Combustion Leak Check: The crew performed additional Group Combustion Experiment Module (GCEM) troubleshooting today, and completed a leak check of the Gaseous Nitrogen (GN2) supply line and associated Quick Disconnects (QDs). The International Standard Payload Rack (ISPR) valves and QDs for the gas supply line were connected and reconfigured then underwent a five hour …
Oxygen Generation System (OGS) Maintenance: This morning the crew took a return-to-ground sample of the OGS Recirculation Loop and restowed all tools and hardware the crew has used the last 2 days for the OGS maintenance. The calibration settings for the OGA were updated based on performance this morning and the unit is now in …
Oxygen Generation System (OGS) Maintenance: Overnight the decision was made not to perform the Recirc loop flush. Earlier this morning the crew installed the new Oxygen Generation Assembly (OGA) Hydrogen Orbital Replacement Unit (ORU) into the OGS rack. However, the crew was not able to fully mate the Hydrogen ORU Quick Disconnect (QD), same as …
