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 …







