United States Nuclear Regulatory Commission - Protecting People and the Environment


LICENSEE: ILLINOIS POWER CO.                 

SITE: CLINTON 1                             EN NUMBER:31496

DOCKET: 05000461                         EVENT DATE: 12-20-96

RX TYPE: BWR                             EVENT TIME: 00:00

VENDORS: GE-6                           NOTIFY DATE: 12-20-96

EMERGENCY CLASS: N/A  REGION: 3 STATE: IL      TIME: 21:54

OPS OFFICER: RUDY KARSCH              

10 CFR SECTION: CDEG  21.21(c)(3)(i)      DEFECTS/NONCOMPLIANCE

UNIT  SCRAM   RX   INIT  INITIAL MODE     CURR   CURRENT MODE

      CODE   CRIT  PWR                    PWR

 1    N       N      0   REFUELING          0   REFUELING      



WESTINGHOUSE DHP CIRCUIT BREAKERS FAILED TO CLOSE ON DEMAND DUE  

TO A DIRTY AND BINDING MOTOR CUT-OFF SWITCH AND SPRING CHARGE    

INDICATOR MECHANISM. THE VENDOR LITERATURE FAILED TO PROVIDE     

GUIDANCE FOR INSPECTING, CLEANING, ADJUSTING, OR LUBRICATING     

THESE VITAL COMPONENTS.  THE LICENSEE HAS EVALUATED THIS ISSUE   

AND CONCLUDES THAT IT IS REPORTABLE UNDER THE PROVISIONS OF 10   

CFR PART 21.                                                     



Page Last Reviewed/Updated Thursday, March 29, 2012