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Event Notification Report for February 15, 2017

U.S. Nuclear Regulatory Commission
Operations Center

Event Reports For
02/14/2017 - 02/15/2017

** EVENT NUMBERS **


52535 52547

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Agreement State Event Number: 52535
Rep Org: LOUISIANA RADIATION PROTECTION DIV
Licensee: ALPHA-OMEGA SERVICES, INC.
Region: 4
City: BELLFLOWER State: CA
County:
License #: LA-10025-L01
Agreement: Y
Docket:
NRC Notified By: JAMES M. PATE III
HQ OPS Officer: DONG HWA PARK
Notification Date: 02/06/2017
Notification Time: 12:40 [ET]
Event Date: 02/06/2017
Event Time: [PST]
Last Update Date: 02/06/2017
Emergency Class: NON EMERGENCY
10 CFR Section:
AGREEMENT STATE
Person (Organization):
GREG WARNICK (R4DO)
NMSS_EVENTS_NOTIFIC (EMAI)

Event Text

AGREEMENT STATE REPORT - TRANSPORTATION POSTING INACCURACY

The following report was received from the State of Louisiana via email:

"Event description: On February 6, 2017, LDEQ [Louisiana Department of Environmental Quality] was notified by Alpha-Omega, Inc., that the facility had received three 'EMPTY' Nucletron V2 containers from a Mexico site then transported to the United States, Alpha-Omega Services, Inc., Vinton, Louisiana, 70668.

"When inspected, two of the containers had Ir-192 sources in them, Model 105.002. Container 2785C6 had source D36F3728, 25 mCi of Ir-192, a QSA Global source. Container 2053C6 had source D36P3481, 351 mCi of Ir-192, an Alpha-Omega, Inc. source.

"Event Report ID No.: LA-170002."

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Power Reactor Event Number: 52547
Facility: LASALLE
Region: 3 State: IL
Unit: [1] [ ] [ ]
RX Type: [1] GE-5,[2] GE-5
NRC Notified By: WAYNE CLAYTON
HQ OPS Officer: JEFF ROTTON
Notification Date: 02/14/2017
Notification Time: 02:40 [ET]
Event Date: 02/13/2017
Event Time: 23:09 [CST]
Last Update Date: 02/14/2017
Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(2)(iv)(B) - RPS ACTUATION - CRITICAL
Person (Organization):
PATRICIA PELKE (R3DO)

Unit SCRAM Code RX CRIT Initial PWR Initial RX Mode Current PWR Current RX Mode
1 A/R Y 100 Power Operation 0 Hot Shutdown

Event Text

UNIT 1 AUTOMATIC REACTOR SCRAM DUE TO MAIN GENERATOR TRIP ON DIFFERENTIAL CURRENT

"This notification is being provided in accordance with 10 CFR 50.72(b)(2)(iv)(B).

"On February 13, 2017 at 2309 CST, a Unit 1 Reactor Automatic Scram signal was received due to Turbine Control Valve Fast Closure. The turbine trip was due to the main generator trip on Differential Current. The 'U' safety relief valve actuated in the relief mode on the turbine trip, and has subsequently reset with tailpipe temperature returning to normal. The plant is in a stable condition with reactor pressure being maintained by the Turbine Bypass valves. Reactor water level is being controlled with feedwater. Investigation into the cause of the event is in progress."

All control rods fully inserted on the scram. Unit 1 is in a normal shutdown electric plant alignment. Unit 2 was not affected.

The licensee notified the NRC Resident Inspector.

Page Last Reviewed/Updated Wednesday, February 15, 2017
Wednesday, February 15, 2017