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Event Notification Report for December 13, 2000

U.S. Nuclear Regulatory Commission
Operations Center

EVENT REPORTS FOR
12/12/2000 - 12/13/2000

EVENT NUMBERS
37592

!!!!! THIS EVENT HAS BEEN RETRACTED !!!!!
!!!!! THIS EVENT HAS BEEN RETRACTED !!!!!
Power Reactor
Event Number: 37592
Facility: DIABLO CANYON
Region: 4     State: CA
Unit: [1] [2] []
RX Type: [1] W-4-LP,[2] W-4-LP
NRC Notified By: M GROVES
HQ OPS Officer: JOHN MacKINNON
Notification Date: 12/13/2000
Notification Time: 11:52 [ET]
Event Date: 12/13/2000
Event Time: 07:52 [PST]
Last Update Date: 12/19/2000
Emergency Class: NON EMERGENCY
10 CFR Section:
73.71(b)(1) - SAFEGUARDS REPORTS
Person (Organization):
CHUCK CAIN (R4)
Power Reactor Unit Info
Unit SCRAM Code RX Crit Initial PWR Initial RX Mode Current PWR Current RX Mode
1 N Y 100 Power Operation 100 Power Operation
2 N Y 100 Power Operation 100 Power Operation
Event Text
SECURITY WEAPON IN A PROTECTED AREA UNACCOUNTED FOR ABOUT 10 SECONDS. IMMEDIATE COMPENSATORY MEASURES TAKEN UPON DISCOVERY.

THE NRC RESIDENT INSPECTOR WILL BE NOTIFIED OF THE EVENT BY THE LICENSEE

***** UPDATE AT 1212 EST ON 12/19/00 FROM MICHAEL GROVES TO LEIGH TROCINE *****

The licensee is retracting this 1-hour event notification following conversations NRC Region 4 office personnel (Bruce Ernest). It was determined that this event was loggable rather than reportable due to the short duration that the weapon was unattended.

The licensee plans to notify the NRC resident inspector. The NRC operations officer notified the R4DO (Bill Jones).