ENS 42216

v t e ENS Event
05:00 Dec 7, 2005
Title	Invalid Specified System Actuation - "a" Auxiliary Feedwater
Event Description	This report is being made in lieu of an LER per the guidance of 10CFR50.73(a)(2)(iv)(A). The `A' train Motor Driven Auxiliary Feedwater pump received an invalid auto-start signal due to a failed safeguards driver board in the A train Solid State Protection System (SSPS). This was a complete actuation of the 'A' train of auxiliary feedwater, and all components functioned as designed. The pump was manually secured and no other systems were affected. The plant entered an 8 hour9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> LCO for an inoperable train of SSPS. The safeguards driver board was replaced and the plant exited the LCO. Investigation of the cause of the card failure is in progress. The licensee notified the NRC Resident Inspector.

ENS 42216 +/-
Where
Farley Alabama (NRC Region 2)
Reporting

10 CFR 50.73(a)(1), Submit an LER, Invalid Actuation
Time - Person (Reporting Time:+347.45 h14.477 days <br />2.068 weeks <br />0.476 months <br />)
Opened:	Richard Wells 16:27 Dec 21, 2005
NRC Officer:	Bill Gott
Last Updated:	Dec 21, 2005
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v • d • e

v t e Emergency Notification System
Farley with 10 CFR 50.73(a)(1), Submit an LER
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