United States Nuclear Regulatory Commission - Protecting People and the Environment

LICENSEE: NIAGARA MOHAWK POWER CORP.         
SITE: NINE MILE POINT 2                     EN NUMBER:30775
DOCKET:  05000410                        EVENT DATE: 07-23-96
RX TYPE:  BWR                            EVENT TIME: 00:00
VENDORS:  GE-5                          NOTIFY DATE: 07-23-96
EMERGENCY CLASS: N/A  REGION: 1 STATE: NY      TIME: 09:00
OPS OFFICER: STEVE SANDIN             
10 CFR SECTION: CCCC  21.21               UNSPECIFIED PARAGRAPH
UNIT  SCRAM   RX   INIT  INITIAL MODE     CURR   CURRENT MODE
      CODE   CRIT  PWR                    PWR
 2    N       Y    100   POWER OPERATION  100   POWER OPERATION

DISCOVERY OF A CONDITION AFFECTING THE OPERABILITY OF CLOW       
(MANUFACTURER) VALVES INSTALLED IN THE UNIT 2 STANDBY GAS        
TREATMENT SYSTEM                                                 
                                                                 
THE LICENSEE DETERMINED THAT CLOW (MANUFACTURER) VALVES IN THE   
STANDBY GAS TREATMENT SYSTEM HAVE A DOWEL PIN INSTALLED WHICH IS 
NOT PEENED IN PLACE. SHOULD THESE DOWELS COME LOOSE, IT COULD    
INTERFERE WITH THE VALVE LIMIT SWITCHES AND PREVENT THE MAKEUP OF
CIRCUIT PERMISSIVES.                                             

Page Last Reviewed/Updated Thursday, March 29, 2012