During the power outage yesterday, verified CPS units for BSC1, BSC2, and BSC3 had modifications per E1300251. This was to address a high frequency oscillation in the return path. BSC1 SN 12867 BSC1 SN 13525 BSC2 SN 13449 BSC3 SN 12951, 12892, 12959, 12958, 12961, 12895, 12904, 12945, 12948, 13430, 13235, 13444 All units had modifications complete. Filiberto Clara