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 Entered dateEvent description
ENS 4205312 October 2005 21:55:00

Portions of the Palisades Plant Process Computer (PPC) including the Emergency Response Data System (ERDS) became inoperable due to failure of a plant inverter (EY-210). The failed inverter supplies power to portions of the PPC. The inverter failed for unknown reasons. Options for bypassing the inverter and inverter repairs are being evaluated. The licensee notified the NRC Resident Inspector.

  • * *UPDATE PROVIDED BY MULFORD TO ROTTON AT 0511 EDT ON 10/13/05 * * *

At 0500 the Palisades Plant Process Computer (PPC) including ERDS was declared operable after bypassing plant inverter EY-210 per plant procedure and restoring power to equipment. The licensee notified the NRC Resident Inspector.

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