United States Nuclear Regulatory Commission - Protecting People and the Environment


LICENSEE: ILLINOIS POWER CO.                 

SITE: CLINTON 1                             EN NUMBER:33563

DOCKET: 05000461                         EVENT DATE: 01-20-98

RX TYPE: BWR                             EVENT TIME: 00:00

VENDORS: GE-6                           NOTIFY DATE: 01-20-98

EMERGENCY CLASS: N/A  REGION: 3 STATE: IL      TIME: 13:50

OPS OFFICER: CHAUNCEY GOULD           

10 CFR SECTION: CCCC  21.21               UNSPECIFIED PARAGRAPH

UNIT  SCRAM   RX   INIT  INITIAL MODE     CURR   CURRENT MODE

      CODE   CRIT  PWR                    PWR

 1    N       N      0   COLD SHUTDOWN      0   COLD SHUTDOWN  



10CFR PART 21 REPORT -                                           

                                                                 

THE BASIC COMPONENT INVOLVED IN THIS REPORT IS THE FAILURE TO    

INSTALL                                                          

THE SHUTDOWN COOLING WATER PUMP ROOM COOLING FAN MOTOR SHAFT

KEY 

FOR THE DIVISION II SHUTDOWN SERVICE SERVICE WATER PUMP ROOM     

COOLER FAN.  THIS COOLER WAS SUPPLIED BY BUFFALO FORGE COMPANY.  

AS DISCUSSED IN THE LER,                                         

THE NATURE OF THE CONDITION IS THE FAILURE TO INSTALL A MOTOR    

SHAFT KEY ON THE DIVISION II SHUTDOWN SERVICE WATER PUMP ROOM    

COOLER FAN.  FAILURE TO INSTALL THE MOTOR SHAFT KEY ON THE       

DIVISION II SHUTDOWN SERVICE WATER PUMP ROOM COOLER COULD ALLOW  

THE TEMPERATURE IN THE PUMP ROOM TO EXCEED THE DESIGN BASIS      

TEMPERATURE REQUIRED FOR THE OPERATION OF THE SHUTDOWN SERVICE   

WATER PUMP.  THE LICENSEE IDENTIFIED THE SHUTDOWN SERVICE WATER  

PUMP ROOM COOLING FAN MISSING MOTOR SHAFT KEY MAY HAVE BEEN      

CAUSED BY THE FAILURE OF THE MANUFACTURE TO INSTALL IT WHEN THE  

UNIT WAS ASSEMBLED AT THE FACTORY AND THE LICENSEE DETERMINED    

THIS ISSUE WAS POTENTIALLY REPORTABLE UNDER                      

10CFR PART 21.                                                   

                                                                 

SEE RELATED EVENT #33446.                                        





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