Power Reactor Event Number: 40764
Facility: SALEM
Region: 1 State: NJ
Unit: [ ] [2] [ ]
RX Type: [1] W-4-LP,[2] W-4-LP
NRC Notified By: STEVE SAUER
HQ OPS Officer: JOHN MacKINNON
Notification Date: 05/21/2004
Notification Time: 14:50 [ET]
Event Date: 05/21/2004
Event Time: 13:15 [EDT]
Last Update Date: 05/21/2004
Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(2)(i) - PLANT S/D REQD BY TS
Person (Organization):
JOHN CARUSO (R1)

Unit SCRAM Code RX CRIT Initial PWR Initial RX Mode Current PWR Current RX Mode
2 N Y 90 Power Operation 60 Power Operation

Event Text

TECHNICAL SPECIFICATION SHUTDOWN

A unit shutdown was commenced to comply with the technical specification for containment integrity. A service water isolation valve supplying the turbine generator area lost power when the 2B vital bus 230v transformer failed at 1147 on 5/21/04. This results in entry into a restore in 1 hour or hot shutdown in 6 hours LCO (3.6.1.1) since the valve cannot be isolated and maintain the unit in service. The failure of the transformer is currently under investigation. A power reduction of 20% per hour is currently in progress.

Other equipment affected by the transformer loss, various containment isolation valves, 2B emergency diesel generator, 22 chiller, 22 and 24 containment fan coil units, and 23 and 24 service water pumps. Prior to the event the only safety related equipment out of service was the service 23 service water pump that was out for planned maintenance. There were no personnel injuries as a result of this event.

The NRC Resident Inspector was notified of this event by the licensee.