U.S. Nuclear Regulatory Commission Operations Center Event Reports For 07/30/98 - 07/31/98 ** EVENT NUMBERS ** 34456 34524 34589 34590 !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34456 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: OCONEE REGION: 2 |NOTIFICATION DATE: 06/30/98 | |UNIT: [1] [ ] [ ] STATE: SC |NOTIFICATION TIME: 10:48 [ET]| |RX TYPE: [1] B&W-L-LP,[2] B&W-L-LP,[3] B&W-L-LP |EVENT DATE: 06/30/98 | +------------------------------------------------+EVENT TIME: 10:15[EDT]| |NRC NOTIFIED BY: NIX |LAST UPDATE DATE: 07/30/98 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CHARLES OGLE RDO | |AIND 50.72(b)(2)(iii)(D) ACCIDENT MITIGATION | | |NLCO TECH SPEC LCO A/S | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE DECLARED THE "1A" REACTOR BUILDING SPRAY (RBS) PUMP INOPERABLE | | | | THE "1B" RBS PUMP WAS OUT OF SERVICE FOR MAINTENANCE WHEN IT WAS DISCOVERED | | THAT THE "1A" RBS PUMP OIL BUBBLER WAS EMPTY. UPON THE RESULTS OF AN | | ENGINEERING EVALUATION, THE "1A" RBS PUMP WAS DECLARED INOPERABLE AT 1015 | | AND THE PLANT ENTERED TECH SPEC LCO 3.0, WHICH REQUIRES THE PLANT TO BE IN | | HOT SHUTDOWN WITHIN 12 HOURS. | | | | SINCE THE RBS SYSTEM IS RELIED UPON TO MITIGATE THE CONSEQUENCES OF CERTAIN | | DESIGN BASIS ACCIDENTS, SUCH AS LOSS OF COOLANT ACCIDENT, THIS CONDITION IS | | BEING REPORTED AS AN EVENT OR CONDITION THAT ALONE COULD HAVE PREVENTED THE | | FULFILLMENT OF THE SAFETY FUNCTION OF STRUCTURES OR SYSTEMS THAT ARE NEEDED | | TO MITIGATE THE CONSEQUENCES OF AN ACCIDENT. MAINTENANCE AND ENGINEERING | | ARE CONTINUING TO INVESTIGATE THE CONDITION OF THE "1A" RBS PUMP AND | | EFFORTS ARE IN PROGRESS TO RESTORE THE "1B" RBS PUMP TO SERVICE. | | | | THE RESIDENT INSPECTOR WAS NOTIFIED. | | | | * * * UPDATE AT 1717 BY MIKE HILL TO JOLLIFFE * * * | | | | AT 1523, THE LICENSEE RESTORED THE "1B" RBS PUMP TO OPERABLE STATUS AND | | EXITED TECH SPEC LCO 3.0. THE LICENSEE PLANS TO SUBMIT A WRITTEN LICENSEE | | EVENT REPORT TO THE NRC WITHIN 30 DAYS. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | THE NRC OPERATIONS OFFICER NOTIFIED THE R2DO CHUCK OGLE. | | | | * * * RETRACTED AT 1623 ON 7/30/98 BY RANDY TODD TO FANGIE JONES * * * | | | | THE LICENSEE HAS DETERMINED THAT THE "1B" RBS PUMP WAS NEVER INOPERABLE, AN | | ENGINEERING EVALUATION DETERMINED THAT EVEN WITH THE OIL BUBBLER EMPTY, | | ENOUGH OIL REMAINED AT SUFFICIENT LEVEL TO LUBRICATE THE BEARINGS. ALSO, | | THE LEAK MECHANISM WAS SELF-LIMITING SUCH THAT IT COULD NOT CAUSE THE PUMP | | TO BECOME INOPERABLE. THEREFORE, THE LICENSEE IS RETRACTING THIS | | NOTIFICATION. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. THE NRC OPERATIONS | | CENTER NOTIFIED R2DO (THOMAS PEEBLES). | +------------------------------------------------------------------------------+ !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34524 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PERRY REGION: 3 |NOTIFICATION DATE: 07/16/98 | |UNIT: [1] [ ] [ ] STATE: OH |NOTIFICATION TIME: 14:34 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 07/15/98 | +------------------------------------------------+EVENT TIME: 19:15[EDT]| |NRC NOTIFIED BY: ODONNELL |LAST UPDATE DATE: 07/30/98 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN MADERA RDO | |NLTR LICENSEE 24 HR REPORT | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | INCORRECT METHODOLOGY USED TO MEASURE ELECTRICAL RESISTANCE OF HYDROGEN | | RECOMBINER HEATERS. | | | | THE LICENSEE HAS DETERMINED THAT THE METHODOLOGY USED TO TAKE ELECTRICAL | | RESISTANCE MEASUREMENTS OF THE HYDROGEN RECOMBINER HEATERS IS INCORRECT. | | SINCE INITIAL PLANT OPERATION, TECHNICIANS HAVE USED A DIGITAL MULTIMETER | | TO TAKE RESISTANCE MEASUREMENTS OF THE TWO RECOMBINER HEATERS IN ACCORDANCE | | WITH SURVEILLANCE REQUIREMENT 3.6.3.1.3. RECENTLY, ONE OF THE HEATERS | | FAILED THE SURVEILLANCE TEST, AND DURING A SUBSEQUENT INVESTIGATION, THE | | LICENSEE DETERMINED THAT THE MEASUREMENTS SHOULD HAVE BEEN OBTAINED USING A | | MEGGER. THE LICENSEE IS CURRENTLY IN THE PROCESS OF TESTING THE HEATERS | | USING THE CORRECT METHODOLOGY. | | | | THE NRC RESIDENT INSPECTOR HAS BEEN INFORMED BY THE LICENSEE. | | | | *** UPDATE ON 7/30/98 BY HEISHMAN TO GOULD *** RETRACTION | | | | THE LICENSEE IS RETRACTING THIS EVENT, SINCE A FURTHER REVIEW WITH | | WESTINGHOUSE HAS DETERMINED THAT USING A MULTIMETER TO MEASURE RESISTANCE | | ON THE RECOMBINER HEATERS IS ACCEPTABLE AND THE METHODOLOGY THAT HAS BEEN | | USED TO OBTAIN RESISTANCE MEASUREMENTS HAS ALSO BEEN DETERMINED TO BE | | ACCEPTABLE TO MEET THE SURVEILLANCE REQUIREMENTS. THEREFORE, THIS | | CONDITION WAS DETERMINED TO BE NOT REPORTABLE. | | | | THE RESIDENT INSPECTOR WAS NOTIFIED. | | | | REG3 RDO(LEACH) WAS NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34589 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SALEM REGION: 1 |NOTIFICATION DATE: 07/30/98 | |UNIT: [ ] [2] [ ] STATE: NJ |NOTIFICATION TIME: 12:32 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 07/30/98 | +------------------------------------------------+EVENT TIME: 11:30[EDT]| |NRC NOTIFIED BY: M. D. GWIRTZ |LAST UPDATE DATE: 07/30/98 | |HQ OPS OFFICER: FANGIE JONES +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MICHAEL MODES RDO | |ADAS 50.72(b)(2)(i) DEG/UNANALYZED COND | | |NLCO TECH SPEC LCO A/S | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | EVIDENCE OF A PINHOLE LEAK FOUND ON A REACTOR COOLANT INSTRUMENT LINE | | | | DURING A CONTAINMENT WALKDOWN, THE LICENSEE DISCOVERED A SMALL PATCH OF | | BORON CRYSTALS ON A REACTOR COOLANT INSTRUMENT LINE. THE LEAK IS BETWEEN | | ISOLATION VALVE 22RC12 AND LOOP #3 FLOW TRANSMITTER 2FT426. TESTING HAS | | DETERMINED A PROBABLE THRU-WALL LEAK AND THE LINE HAS BEEN ISOLATED WITH | | ENTRY INTO TECHNICAL SPECIFICATION ACTION STATEMENT 3.4.11.1.B FOR ASME | | CODE CLASS 2 LEAK. THE LINE WILL BE REPAIRED OR REPLACED PRIOR TO PLANT | | STARTUP. FURTHER INSPECTIONS ON SIMILAR LINES HAVE BEEN CONDUCTED WITH NO | | SIGNS OF LEAKAGE OBSERVED. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR AND LOCAL TOWNSHIP. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34590 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DRESDEN REGION: 3 |NOTIFICATION DATE: 07/30/98 | |UNIT: [ ] [2] [ ] STATE: IL |NOTIFICATION TIME: 19:30 [ET]| |RX TYPE: [1] GE-1,[2] GE-3,[3] GE-3 |EVENT DATE: 07/30/98 | +------------------------------------------------+EVENT TIME: 17:27[CDT]| |NRC NOTIFIED BY: STEVE MATTSON |LAST UPDATE DATE: 07/30/98 | |HQ OPS OFFICER: FANGIE JONES +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MELVYN LEACH RDO | |AIND 50.72(b)(2)(iii)(D) ACCIDENT MITIGATION | | |NLCO TECH SPEC LCO A/S | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | HIGH PRESSURE COOLANT INJECTION DECLARED INOPERABLE | | | | THE HIGH PRESSURE COOLANT INJECTION (HPCI) SYSTEM WAS DECLARED INOPERABLE | | DUE TO THE INABILITY TO TRIP THE TURBINE USING THE REMOTE TURBINE TRIP | | PUSHBUTTON. THIS WAS DISCOVERED DURING SCHEDULED SURVEILLANCE TESTING. THE | | HPCI TURBINE WAS SUBSEQUENTLY TRIPPED SUCCESSFULLY USING THE LOCAL TURBINE | | TRIP DEVICE. THE LICENSEE HAS ENTERED TECHNICAL SPECIFICATION ACTION | | STATEMENT 3.5.A.3, A 14 DAY SHUTDOWN. TROUBLE SHOOTING AND MAINTENANCE IS | | ONGOING AND IS EXPECTED TO CORRECT THE PROBLEM BEFORE THE TIME LIMIT IS UP. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+