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.
Page Last Reviewed/Updated Wednesday, March 24, 2021