ISS On-Orbit Status 06/02/12

All ISS systems continue to function nominally, except those noted previously or below. Saturday - Crew off duty.

After wakeup, CDR Kononenko performed the routine inspection of the SM (Service Module) PSS Caution & Warning panel as part of regular Daily Morning Inspection.

The six Exp-31 crewmembers joined in conducting the regular weekly three-hour task of thorough cleaning of their home, including COL (Columbus Orbital Laboratory) and Kibo JPM (JEM Pressurized Module). ["Uborka", usually done on Saturdays, includes removal of food waste products, cleaning of compartments with vacuum cleaner, damp cleaning of the SM dining table, other frequently touched surfaces and surfaces where trash is collected, as well as the sleep stations with a standard cleaning solution; also, fan screens and grilles are cleaned to avoid temperature rises. Special cleaning is also done every 90 days on the HEPA (high-efficiency particulate air) bacteria filters in the Lab.]

As part of Uborka house cleaning, Oleg, Gennady & Sergei completed regular weekly maintenance inspection & cleaning of fan screens in the FGB (TsV2), Group E fan grilles in the SM (VPkhO, FS5, FS6, VP), and the weekly checkup on the Russian POTOK-150MK (150 micron) air filter unit of the SM's & FGB's SOGS air revitalization subsystem.

FE-2 Revin also handled the routine daily servicing of the SOZh system (Environment Control & Life Support System, ECLSS) in the SM. [Regular daily SOZh maintenance consists, among else, of checking the ASU toilet facilities, replacement of the KTO & KBO solid waste containers, replacement of EDV-SV waste water and EDV-U urine containers and filling EDV-SV, KOV (for Elektron), EDV-ZV & EDV on RP flow regulator.]

FE-6 Pettit conducted the regular (~weekly) inspection & maintenance, as required, of the CGBA-4 (Commercial Generic Bioprocessing Apparatus 4) and CGBA-5 payloads in their ERs (EXPRESS Racks) at Lab O2 & O1, focusing on cleaning the muffler air intakes.

Kononenko, with Padalka attending for "knowledge handover", completed the periodic maintenance of the active Russian BMP (Harmful Impurities Removal System) by starting the "bake-out" cycle to vacuum on absorbent bed #1 of the regenerable dual-channel filtration system. The process will be terminated at ~4:55pm EDT. Bed #2 regeneration will be done tomorrow. [Regeneration of each of the two cartridges takes about 12 hours and is conducted only during crew awake periods. The BMP's regeneration cycle, normally done every 20 days, is currently performed four times more frequently (last time: 5/14 & 5/15).]

FE-3 Acaba sequentially initiated and monitored charging of four Makita batteries for use with the Cardiopres blood pressure device during the next 24-hr ESA ICV (Integrated Cardiovascular) Ambulatory Monitoring session.

Don Pettit closed the protective shutters of the JAXA Kibo laboratory window to avoid its heating during the upcoming high Beta angle regime. [Shutter closure should be verified 12 hrs (as a margin) before the Betas reach more than +60 deg.]

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NASA ISS On-Orbit Status 02 June 2012