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Event Notification Report for February 6, 2004

U.S. Nuclear Regulatory Commission Operations Center Event Reports For 02/05/2004 - 02/06/2004 ** EVENT NUMBERS ** 40506 40507 Power Reactor Event Number: 40506 Facility: NINE MILE POINT Region: 1 State: NY Unit: [1] [ ] [ ] RX Type: [1] GE-2,[2] GE-5 NRC Notified By: LAURIE RAYLE HQ OPS Officer: ARLON COSTA Notification Date: 02/05/2004 Notification Time: 15:45 [ET] Event Date: 02/05/2004 Event Time: 13:40 [EST] Last Update Date: 02/05/2004 Emergency Class: NON EMERGENCY 10 CFR Section: 50.72(b)(3)(v)(D) - ACCIDENT MITIGATION Person (Organization): JOHN KINNEMAN (R1) Unit SCRAM Code RX CRIT Initial PWR Initial RX Mode Current PWR Current RX Mode 1 N Y 100 Power Operation 100 Power Operation Event Text EMERGENCY DIESEL GENERATOR VENTILATION EXHAUST DAMPER COVERED WITH SNOW AND ICE "During performance of a weekly preventive maintenance activity, [it was] discovered that the discharge dampers of Emergency Diesel Generator 102 Exhaust Fans opened approximately one inch vice full open as expected. Technical Specification 3.6.3e 14 day shutdown LCO was entered at 13:40. At 1350, Technical Specification 3.6.3e(1) was entered due to as found condition of both ventilation exhaust dampers for Emergency Diesel Generators 102 and 103 covered with snow and ice preventing normal operation of dampers. This condition required an initiation of normal orderly shutdown in one hour and the Reactor in cold shutdown condition within ten hours. At 14:10, Emergency Diesel Generators 102 and 103 were declared operable based on snow/ice removal and satisfactory completion of testing on all fans and dampers." The Licensee notified the NRC Resident Inspector. Power Reactor Event Number: 40507 Facility: CALLAWAY Region: 4 State: MO Unit: [1] [ ] [ ] RX Type: [1] W-4-LP NRC Notified By: DAVID LANTZ HQ OPS Officer: ARLON COSTA Notification Date: 02/05/2004 Notification Time: 18:32 [ET] Event Date: 02/05/2004 Event Time: 17:01 [CST] Last Update Date: 02/05/2004 Emergency Class: NON EMERGENCY 10 CFR Section: 50.72(b)(2)(xi) - OFFSITE NOTIFICATION Person (Organization): ANTHONY GODY (R4) Unit SCRAM Code RX CRIT Initial PWR Initial RX Mode Current PWR Current RX Mode 1 N N 0 Hot Standby 0 Hot Standby Event Text OFFSITE NOTIFICATION TO THE MISSOURI PUBLIC SERVICE COMMISSION "At 1701 [CST] on 02/05/2004, a report was made to the Missouri Public Service Commission (MPSC) to notify the MPSC of a forced outage at the Callaway Nuclear Plant. This notification is reportable under 4CSR240 20.080(3)(B) because the outage is expected to last longer than 72 hours. At 0439, 02/03/04, Callaway Plant experienced a reactor trip while operating transmission breakers located in the plant switchyard. It was determined on 02/05/2004 that the outage was expected to last longer than 72 hours." The Licensee will inform the NRC Resident Inspector of the MPSC notification.

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