Elektron Failure on ISS

NASA ISS On-Orbit Status 21 April 2011
“Elektron Failure: RSC-Energia reported this morning that the Elektron oxygen generator failed yesterday when reactivated after the REGUL-OS repair activities. ppO2 (oxygen partial pressure) is currently in the nominal comfort range, and work is underway to restore the electrolysis device to service. Should Elektron downtime stretch out longer, an O2 repress from ATV2 tankage could be performed next week, after which STS-134/ULF6 would supply oxygen, and another ATV2 repress could be done after Endeavour’s departure.”