Part 21 Report - 1998-150

 
 

LICENSEE: SOUTH CAROLINA ELECTRIC & GAS CO.  

SITE: SUMMER 1                              EN NUMBER:33613

DOCKET: 05000395                         EVENT DATE: 01-27-98

RX TYPE: PWR                             EVENT TIME: 17:00

VENDORS: W-3-LP                         NOTIFY DATE: 01-28-98

EMERGENCY CLASS: N/A  REGION: 2 STATE: SC      TIME: 15:42

OPS OFFICER: BOB STRANSKY             

10 CFR SECTION: CCCC  21.21               UNSPECIFIED PARAGRAPH

UNIT  SCRAM   RX   INIT  INITIAL MODE     CURR   CURRENT MODE

      CODE   CRIT  PWR                    PWR

 1    N       Y    100   POWER OPERATION  100   POWER OPERATION



10 CFR PART 21 REPORT REGARDING WOODWARD GOVERNORS FOR DIESEL    

GENERATORS                                                       

AT V.C. SUMMER NUCLEAR STATION (VCSNS)                           

                                                                 

THE FOLLOWING INFORMATION WAS SUBMITTED BY THE LICENSEE VIA      

FACSIMILE:                                                       

                                                                 

"ON JANUARY 9, 1998, CONDITION EVALUATION REPORT 98-0038 AND     

NONCONFORMANCE NOTICE (NCN) 98-0038 REPORTED THE FAILURE OF EG-A 

CONTROL, SERIAL NUMBER 1425251. DUE TO POTENTIAL APPLICATIONS IN 

THE INDUSTRY AND THE SAFETY SIGNIFICANCE OF ITS APPLICATION AS A 

GOVERNOR CONTROL FOR EMERGENCY DIESEL GENERATORS (EDGs), THIS    

FAILURE IS CONSIDERED TO BE REPORTABLE UNDER 10 CFR PART 21. IN  

THIS CASE, V.C. SUMMER NUCLEAR STATION ENSURED THAT ADEQUATE     

TESTING HAD BEEN PERFORMED TO THE ASSOCIATED EG-A TO VERIFY ITS  

OPERABLE STATUS. THE VENDOR, ENGINE SYSTEMS, INCORPORATED (ESI), 

HAS BEEN NOTIFIED OF THIS SITUATION AND UNDERSTANDS THAT A PART  

21 NOTIFICATION IS BEING SUBMITTED BASED ON THEIR CERTIFICATION  

OF CONFORMANCE ON THE EG-A WITH INADEQUATE POST-REFURBISHMENT    

BENCH TESTING BY THE VENDOR THAT DID NOT IDENTIFY INTERMITTENT   

FAILURES IN ELECTRICAL COMPONENTS (SUCH AS POTENTIOMETERS AND    

ZENER DIODES).                                                   

                                                                 

A TEAM FROM VCSNS PROCUREMENT ENGINEERING FLEW TO THE VENDOR'S   

REPAIR FACILITY (WOODWARD GOVERNOR COMPANY) IN FORT COLLINS, CO, 

TO EVALUATE THEIR REPAIR PROGRAM. FUTURE PURCHASE REQUISITIONS   

FOR EG-A REPAIR/REFURBISHMENT WILL INCLUDE REQUIREMENTS FOR A    

50-HOUR BURN-IN AND BENCH TESTING OF THE EG-A CONTROL FOR        

DETECTION OF INTERMITTENT FAILURES."                             

                                                                 

THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR.