United States Nuclear Regulatory Commission - Protecting People and the Environment


LICENSEE: VICTOREEN, INC.                    

SITE: VICTOREEN, INC.                       EN NUMBER:31692

DOCKET:                                  EVENT DATE: 01-27-97

RX TYPE:                                 EVENT TIME: 00:00

VENDORS:                                NOTIFY DATE: 01-30-97

EMERGENCY CLASS: N/A  REGION: 3 STATE: OH      TIME: 14:12

OPS OFFICER: LEIGH TROCINE            

10 CFR SECTION: CCCC  21.21               UNSPECIFIED PARAGRAPH



VICTOREEN INC. MADE A 10 CFR PART 21 NOTIFICATION REGARDING A    

DIGITAL DISPLAY UNIT.                                            

                                                                 

VICTOREEN INC. LOCATED AT 6000 COCHRAN ROAD IN CLEVELAND, OHIO,  

MADE A 10 CFR PART 21 NOTIFICATION THAT THEIR DIGITAL DISPLAY IN 

THE DIABLO CANYON NUCLEAR POWER PLANT CONTROL ROOM (RDU), FOR    

SAFETY-RELATED MONITOR R44B, STOPPED UPDATING (i.e, DISPLAY      

FROZEN).  FURTHER TESTING DETERMINED THAT ALTHOUGH THE ALARM     

RELAY CHANGED STATE AFTER INPUTTING A TEST SIGNAL, THE RELAY     

OUTPUT AT THE RDU DID NOT.  THIS IS AN UNIDENTIFIED FAILURE      

CONDITION IN THE DESIGN.                                         



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