U.S. Nuclear Regulatory Commission Operations Center Event Reports For 06/03/98 - 06/04/98 ** EVENT NUMBERS ** 34329 34330 34331 34332 34333 34334 34335 34336 34337 34338 34339 34340 34341 34342 +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 34329 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PADUCAH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 06/03/98 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 01:53 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 06/02/98 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 08:30[CDT]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 06/03/98 | | CITY: PADUCAH REGION: 3 +-----------------------------+ | COUNTY: McCRACKEN STATE: KY |PERSON ORGANIZATION| |LICENSE#: GDP-1 AGREEMENT: Y |BRUCE JORGENSEN RDO | | DOCKET: 0707001 |JOHN HICKEY, NMSS EO | +------------------------------------------------+ | |NRC NOTIFIED BY: G. W. LAMB | | |HQ OPS OFFICER: LEIGH TROCINE | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |OCBA 76.120(c)(2)(i) ACCID MT EQUIP FAILS | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | FAILURE OF A C-310 HIGH VOLTAGE UF6 RELEASE DETECTION SAFETY SYSTEM | | DETECTOR HEAD TO RESET AFTER TESTING - SAFETY SYSTEM FAILURE (24-HOUR | | REPORT) | | | | THE FOLLOWING TEXT IS A PORTION OF A FACSIMILE RECEIVED FROM PADUCAH: | | | | "ON 06/02/98 AT 0830 CDT, THE PLANT EXPERIENCED THE FAILURE OF A PORTION OF | | THE C-310 HIGH VOLTAGE UF6 RELEASE DETECTION SAFETY SYSTEM. DURING THE | | TWICE-SHIFTLY [TECHNICAL SPECIFICATION REQUIRED (TSR)] SURVEILLANCE, WHICH | | REQUIRES 'TEST FIRING' OF THE DETECTOR HEADS, ONE OF THE DETECTOR HEADS | | WOULD NOT RESET. THE AUDIBLE ALARM RESET, BUT THE VISUAL ALARM REMAINED | | IN. THE SAFETY SYSTEM WAS DECLARED INOPERABLE, AND TSR-REQUIRED ACTIONS | | WERE IMPLEMENTED. THE SAFETY SYSTEM WAS SUBSEQUENTLY REPAIRED AND RETURNED | | TO SERVICE." | | | | PADUCAH PERSONNEL NOTIFIED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34330 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CLINTON REGION: 3 |NOTIFICATION DATE: 06/03/98 | |UNIT: [1] [ ] [ ] STATE: IL |NOTIFICATION TIME: 10:25 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 03/14/98 | +------------------------------------------------+EVENT TIME: : [CDT]| |NRC NOTIFIED BY: WALTER G. MACFARLAND, IV |LAST UPDATE DATE: 06/03/98 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |BRUCE JORGENSEN RDO | |CCCC 21.21 UNSPECIFIED PARAGRAPH | | | |VERN HODGE, RPM/PCEB NRR | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | NOTIFICATION IN ACCORDANCE WITH 10 CFR PART 21 - RMX-TYPE KEPCO, INC., | | POWER SUPPLY FAILURES (REFER TO EVENT #33710 FOR ADDITIONAL INFORMATION.) | | | | THE FOLLOWING TEXT IS A PORTION OF A FACSIMILE RECEIVED FROM THE LICENSEE: | | | | "ON FEBRUARY 13, 1998, A NUCLEAR SYSTEMS [PROTECTION] SYSTEM [(NSPS)] | | 12-VOLT DIRECT CURRENT [(VDC)] POWER SUPPLY FAILED CAUSING THE DIVISION II | | NSPS INVERTER TO REVERSE TRANSFER TO THE BYPASS TRANSFORMER WHICH WAS OUT | | OF SERVICE FOR MAINTENANCE. THIS RESULTED IN A LOSS OF SHUTDOWN COOLING AS | | DESCRIBED IN NRC EVENT [NUMBER 33710 AND LICENSEE EVENT REPORT NUMBER | | 98-003-01]. THE CAUSE OF THE POWER SUPPLY FAILURE WAS AN INADEQUATELY | | DESIGNED OUTPUT TRANSISTOR PAIR COMBINED WITH DEGRADED CAPACITORS." | | | | "THE COMPONENT INVOLVED IN THIS REPORT IS A 12-VDC POWER SUPPLY, MODEL | | NUMBER RMX12-D-20993, [WHICH WAS] SUPPLIED TO CLINTON POWER STATION. THIS | | CONDITION WAS ALSO IDENTIFIED TO EFFECT MODEL NUMBERS RMX24-D-20804 AND | | RMT001-AA-20995. THE POWER SUPPLY WAS MANUFACTURED BY KEPCO, [INC.], AND | | [IT] WAS PURCHASED BY GENERAL ELECTRIC (GE) AS A NON-SAFETY-RELATED | | COMPONENT." | | | | "THE SUPPLIER PROVIDED MARGINALLY RATED OUTPUT TRANSISTORS IN THE POWER | | SUPPLY. THESE TRANSISTORS, AGGRAVATED BY DEGRADATION OF THEIR ELECTROLYTIC | | FILTER CAPACITORS, FAILED, PRODUCING A PHASE-TO-PHASE SHORT ON THE NSPS | | BUS. THE LARGE CURRENT DRAW CAUSED THE INVERTER TO REVERSE TRANSFER AS | | DESIGNED TO CLEAR THIS FAULT. SINCE THE ALTERNATE SOURCE WAS UNAVAILABLE, | | THE CONDITION RESULTED IN A LOSS OF POWER TO THE NSPS BUS LOADS WHICH | | INCLUDED THE PRIMARY VALVE FOR THE SHUTDOWN COOLING MODE AT THE TIME OF THE | | EVENT. THE LOSS OF POWER TO THE VALVE CAUSED THE VALVE TO CLOSE AND SHUT | | OFF SHUTDOWN COOLING. IN ADDITION, GE PARTS LIST DRAWING [NUMBER] 169C8805 | | IDENTIFIES THE POWER SUPPLY AS NON-SAFETY RELATED, AND [CLINTON] PURCHASED | | THE POWER SUPPLIES AS NON-SAFETY-RELATED. HOWEVER, BASED ON THE | | APPLICATION OF THE POWER SUPPLIES AND GE SPECIFICATION [NUMBER] 22A7822, | | REVISION 1, THE POWER SUPPLIES SHOULD BE CLASSIFIED AS SAFETY RELATED. | | SUBSEQUENTLY, [CLINTON] HAS REVISED THE MASTER EQUIPMENT LIST TO CHANGE THE | | CLASSIFICATION OF THE POWER SUPPLIES." | | | | "[THE LICENSEE] IDENTIFIED ON MARCH 12, 1998, THAT THE POWER SUPPLY FAILURE | | DURING STARTUP OF THE DIVISION [II] NSPS BYPASS TRANSFORMER ON FEBRUARY 13, | | 1998, MAY HAVE CAUSED THE INVERTER TO REVERSE TRANSFER. SUBSEQUENTLY, ON | | MARCH 14, 1998, THE RESULTS OF THE FAILURE ANALYSIS PERFORMED BY INTEGRATED | | RESOURCES, INC., CONFIRMED THAT THE POWER SUPPLY FAILURE WAS THE CAUSE OF | | THE REVERSE TRANSFER. THE OUTPUT TRANSISTORS WERE UNDERRATED AND ARE, | | THEREFORE, REPORTABLE UNDER 10 CFR [PART] 21." | | | | "RMX-TYPE KEPCO, INC., POWER SUPPLIES ARE IN USE AT [CLINTON] FOR ALL [4] | | DIVISIONS OF NSPS (16 TOTAL), NEUTRON MONITORING SYSTEM (24 TOTAL), AND THE | | DISPLAY CONTROL SYSTEM (2 TOTAL). CURRENTLY, [CLINTON] IS EVALUATING THE | | IMPACT ON ALL KEPCO SUPPLIED RMX-TYPE POWER SUPPLIES." | | | | "[THE LICENSEE PLANS TO] REPLACE THE OUTPUT TRANSISTORS AND DEGRADED | | CAPACITORS, DUE TO PREMATURE AGING, IN KEPCO RMX-TYPE POWER SUPPLIES." | | | | "[THE LICENSEE] RECOMMENDS EVALUATION OF RMX-TYPE POWER SUPPLIES | | MANUFACTURED BY KEPCO, INC., FOR CONDITIONS SIMILAR TO THOSE DESCRIBED IN | | THIS REPORT." | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34331 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MCGUIRE REGION: 2 |NOTIFICATION DATE: 06/03/98 | |UNIT: [1] [ ] [ ] STATE: NC |NOTIFICATION TIME: 11:09 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 06/03/98 | +------------------------------------------------+EVENT TIME: 10:00[EDT]| |NRC NOTIFIED BY: DAVID MILLER |LAST UPDATE DATE: 06/03/98 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CHRIS CHRISTENSEN RDO | |ADAS 50.72(b)(2)(i) DEG/UNANALYZED COND | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | A MAIN FEEDWATER ISOLATION VALVE FAILED ITS STROKE TIME TEST REQUIREMENT. | | | | THE FOLLOWING TEXT IS A PORTION OF A FACSIMILE RECEIVED FROM THE LICENSEE: | | | | "DURING THE UNIT SHUTDOWN PROCESS FOR A SCHEDULED REFUELING OUTAGE, MCGUIRE | | TESTED MAIN FEEDWATER ISOLATION VALVES 'AS FOUND.' ONE OF THE FOUR (4) | | VALVES (1CF-30) FAILED ITS VALVE STROKE TIME REQUIREMENTS. MCGUIRE | | IMMEDIATELY INITIATED FURTHER TESTING AND ANALYSIS TO DETERMINE WHETHER THE | | VALVE WOULD HAVE PERFORMED ITS FUNCTION DURING UNIT OPERATION. DURING | | VALVE DISASSEMBLY, THE ACTUATOR INTERNALS WERE FOUND TO HAVE BEEN INSTALLED | | INCORRECTLY. UPON REVIEW OF THE AVAILABLE TEST INFORMATION, MCGUIRE HAS | | DETERMINED THAT THERE MAY HAVE BEEN PERIODS OF TIME WHEN [VALVE] 1CF-30 MAY | | NOT HAVE STROKED CLOSED WITHIN THE REQUIRED TIME. THE REMAINING VALVES ON | | UNIT 1 HAVE BEEN CONFIRMED TO BE PROPERLY ASSEMBLED AND WERE STROKE TESTED | | WITHIN THE REQUIRED TIME FRAME. MCGUIRE IS CONTINUING TO INVESTIGATE | | WHETHER [VALVE] 1CF-30 WOULD ACTUALLY HAVE SUCCESSFULLY PERFORMED ITS | | REQUIRED FUNCTION DURING UNIT OPERATION AND WHETHER UNIT 2 IS AFFECTED. | | FURTHER INFORMATION WILL BE PROVIDED WHEN AVAILABLE." | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34332 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: RIVER BEND REGION: 4 |NOTIFICATION DATE: 06/03/98 | |UNIT: [1] [ ] [ ] STATE: LA |NOTIFICATION TIME: 11:58 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 06/03/98 | +------------------------------------------------+EVENT TIME: 10:00[CDT]| |NRC NOTIFIED BY: BOYLE |LAST UPDATE DATE: 06/03/98 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |DALE POWERS RDO | |AESS 50.72(b)(1)(v) EMERGENCY SIREN INOP | | |APRE 50.72(b)(2)(vi) OFFSITE NOTIFICATION | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 PLANT DETERMINED THAT GREATER THAN 10% OF THE EMERGENCY SIRENS WERE | | INOPERABLE. | | | | WHILE PERFORMING A SCHEDULED TEST OF THE EMERGENCY SIRENS, ONLY THE 18 | | SIRENS IN EAST FELICIANA SOUNDED. THE OTHER 75 SIRENS IN THE SYSTEM FAILED | | TO OPERATE. THE CAUSE APPEARS TO BE A COMPUTER PROBLEM, AND NO SWAP OVER | | TO THE BACKUP COMPUTER OCCURRED. THE LICENSEE IS STILL TROUBLESHOOTING THE | | PROBLEM. | | | | THE NRC RESIDENT INSPECTOR WILL BE INFORMED BY THE LICENSEE. THE LICENSEE | | ALSO PLANS TO NOTIFY THE FEDERAL EMERGENCY MANAGEMENT AGENCY, THE LOUISIANA | | OFFICE OF EMERGENCY PREPAREDNESS, AND THE LOCAL PARISHES. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34333 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: LIMERICK REGION: 1 |NOTIFICATION DATE: 06/03/98 | |UNIT: [ ] [2] [ ] STATE: PA |NOTIFICATION TIME: 11:59 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 06/03/98 | +------------------------------------------------+EVENT TIME: 09:14[EDT]| |NRC NOTIFIED BY: PEAKS |LAST UPDATE DATE: 06/03/98 | |HQ OPS OFFICER: HENRY BAILEY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LAURIE PELUSO RDO | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | THE LICENSEE REPORTED THE OCCURRENCE OF A REACTOR WATER CLEANUP ISOLATION. | | | | AT 0914, THE UNIT 2 REACTOR WATER CLEANUP SYSTEM ISOLATED DUE TO | | INADVERTENT '2C' STANDBY LIQUID CONTROL PUMP INITIATION AND INJECTION INTO | | THE REACTOR PRESSURE VESSEL. AT 0920, THE '2C' STANDBY LIQUID CONTROL PUMP | | WAS SECURED. THE APPROXIMATE AMOUNT OF WATER INJECTED WAS BETWEEN 300 AND | | 350 GALLONS, AND THE FINAL VESSEL WATER LEVEL WAS 91 INCHES. THE CAUSE FOR | | ITS INITIATION IS UNKNOWN AND UNDER INVESTIGATION. PRIOR TO THE INCIDENT, | | UNIT 2 WAS SHUTDOWN IN OPERATIONAL CONDITION 4 (COLD SHUTDOWN) WITH THE | | REACTOR VESSEL LEVEL AT 88 INCHES. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED BY THE LICENSEE. | | | | * * * UPDATE ON 06/03/98 AT 1814 FROM SCHIENDELMAN TO GOULD * * * | | | | THE LICENSEE HAS FORMED AN INVESTIGATION TEAM TO REVIEW THE INADVERTENT | | '2C' STANDBY LIQUID CONTROL INITIATION AND TO ACCOMPLISH THE FOLLOWING | | ACTIVITIES: | | | | 1. DETERMINE THE CAUSE OF THE INADVERTENT INJECTION AND CORRECTIVE | | ACTIONS TO PREVENT REOCCURRENCE, | | | | 2. DEVELOP THE PLAN FOR CLEANUP OF THE REACTOR WATER, AND | | | | 3. PERFORM AN ASSESSMENT OF THE IMPACT ON SYSTEMS AND COMPONENTS | | INCLUDING THE REACTOR VESSEL INTERNAL CARBON-STEEL COMPONENTS AND | | FUEL. | | | | THE LICENSEE STATED THAT THE REACTOR WATER CHEMISTRY PARAMETERS AT 1435 ON | | 06/03/98 WERE THE FOLLOWING: | | | | CONDUCTIVITY - 75 æMHO/SQUARE CM | | | | pH READINGS - 8.49 | | | | BORON CONCENTRATION - 54.7 PPM | | | | CLEANUP OF THE REACTOR WATER HAS COMMENCED. | | | | THE NRC RESIDENT INSPECTOR WAS INFORMED BY THE LICENSEE. THE R1DO (PELUSO) | | WAS NOTIFIED BY THE NRC OPERATIONS OFFICER. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34334 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SALEM REGION: 1 |NOTIFICATION DATE: 06/03/98 | |UNIT: [1] [ ] [ ] STATE: NJ |NOTIFICATION TIME: 12:24 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 06/03/98 | +------------------------------------------------+EVENT TIME: 11:10[EDT]| |NRC NOTIFIED BY: STEVE SAUER |LAST UPDATE DATE: 06/03/98 | |HQ OPS OFFICER: HENRY BAILEY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LAURIE PELUSO RDO | |ASHU 50.72(b)(1)(i)(A) PLANT S/D REQD BY TS | | |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 | 55 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | TECHNICAL SPECIFICATION REQUIRED SHUTDOWN DUE TO AN INOPERABLE STEAM | | GENERATOR FEEDWATER PUMP TRIP FUNCTION FOR BOTH TRAINS OF THE SOLID STATE | | PROTECTION SYSTEM. | | | | DURING SOLID STATE PROTECTION SYSTEM (SSPS) SURVEILLANCE TESTING AT SALEM | | UNIT 1 ON 06/03/98 AT 0825 HOURS, IT WAS DISCOVERED THAT THE OUTPUT FOR A | | SLAVE RELAY DID NOT MEET SURVEILLANCE REQUIREMENTS. THE PROBLEM WAS | | DETERMINED TO BE ASSOCIATED WITH THE TRIP CIRCUITRY FOR THE #12 STEAM | | GENERATOR FEEDWATER PUMP (SGFP), AND THE TECHNICAL SPECIFICATION (TS) FOR | | ENGINEERED SAFETY FEATURE ACTUATION CIRCUITRY TRAIN 'A' WAS ENTERED. AT | | 1040 HOURS, A POWER REDUCTION WAS INITIATED TO EFFECT REPAIRS TO THE TRIP | | CIRCUITRY FOR THE #12 SGFP. | | | | FURTHER INVESTIGATION REVEALED THE PROBLEM TO BE WITH THE TRIP SOLENOID FOR | | THE #12 SGFP. FOLLOWING THIS DISCOVERY AND THE REVIEW OF SSPS CIRCUITRY, | | IT WAS DETERMINED THAT THE FAILURE OF THE TRIP SOLENOID RENDERED THE #12 | | SGFP TRIP FUNCTION FOR BOTH TRAINS OF SSPS INOPERABLE. THIS WAS DETERMINED | | AT 1110 HOURS AND TS 3.0.3 WAS ENTERED. | | | | THE SPECIFIC SIGNALS AFFECTED ARE THE TRIP OF THE #12 SGFP ON A HIGH-HIGH | | STEAM GENERATOR LEVEL OR ANY SAFETY INJECTION SIGNAL. CURRENT PLANS ARE TO | | REDUCE POWER TO 55%, TRIP THE #12 SGFP, AND EFFECT REPAIRS TO THE TRIP | | CIRCUITRY. FOLLOWING REPAIRS, THE TRIP CIRCUITRY WILL BE RETESTED PRIOR TO | | INCREASING POWER. ALL OTHER SYSTEMS AND SAFETY-RELATED EQUIPMENT ARE | | OPERATIONAL AT THIS TIME. ADDITIONAL INFORMATION WILL BE PROVIDED AT NRC | | REQUEST OR IF THERE ARE STATUS CHANGES. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 34335 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: U.S. NAVY RAD. SAFETY COMMITTEE |NOTIFICATION DATE: 06/03/98 | | CITY: ARLINGTON REGION: 2 |NOTIFICATION TIME: 16:24 [ET]| | COUNTY: STATE: VA |EVENT DATE: 06/02/98 | |LICENSE#: 4523645-01NA AGREEMENT: N |EVENT TIME: 15:00[EDT]| | DOCKET: |LAST UPDATE DATE: 06/03/98 | | +-----------------------------+ | |PERSON ORGANIZATION| | |BRUCE JORGENSEN/REG3 RDO | | |FRED COMBS/NMSS EO | +------------------------------------------------+JARVELA EPA | |NRC NOTIFIED BY: FARRAND |CHUCK HOSEY REG2 | |HQ OPS OFFICER: CHAUNCEY GOULD | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | A NAVY ACTIVITY IN VIRGINIA HAD RECEIVED A SHIPMENT OF 38 NEW COOKING POTS | | FROM ATLANTIC EQUIPMENT COMPANY, A KITCHEN EQUIPMENT SUPPLIER, THAT APPEAR | | TO BE CONTAMINATED. | | | | THE CONTAMINATED POTS RECEIVED FROM THE SUPPLIER WERE FROM LOT #M43 WHICH | | WAS FABRICATED DURING OCTOBER OF 1997. THE NAME OF THE POT MANUFACTURER | | WHO SUPPLIED ATLANTIC EQUIPMENT COMPANY IS BOLIATH (LOCATED IN WISCONSIN). | | THE ISOTOPE IN THE POT MATERIAL, DETERMINED FROM A SURVEY, WAS COBALT-60 ON | | THE ORDER OF 0.002 MICROCURIES/POT. WITH EACH POT WEIGHING ABOUT 10 | | POUNDS, THAT COMES OUT TO BE ABOUT 1 PICOCURIE/GRAM. ONLY THE POTS WITH | | THE #M43 LOT NUMBER INDICATED THAT THEY CONTAINED COBALT-60. BOLIATH | | OBTAINED THE STEEL FOR THESE POTS FROM ALLEGHENY STEEL COMPANY. THE POTS | | ARE MADE WITH THREE LAYERS OF MATERIAL, WITH THE OUTSIDE AND INSIDE | | SURFACES MADE FROM STAINLESS STEEL AND THE INNER LAYER MADE FROM CARBON | | STEEL. IT HAS BEEN DETERMINED THAT THE CARBON STEEL MAY BE THE SOURCE OF | | THE CONTAMINATION. BOLIATH HAS REQUESTED THE ASSISTANCE OF A METALLURGIST | | FROM ALLEGHENY STEEL. THE NAVY HAS THE POTS IN STORAGE AND PLANS TO RETURN | | THEM TO BOLIATH. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34336 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MCGUIRE REGION: 2 |NOTIFICATION DATE: 06/03/98 | |UNIT: [1] [ ] [ ] STATE: NC |NOTIFICATION TIME: 16:27 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 06/03/98 | +------------------------------------------------+EVENT TIME: 15:52[EDT]| |NRC NOTIFIED BY: BECKY HASTY/JOEL HOWARD |LAST UPDATE DATE: 06/03/98 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: UNUSUAL EVENT +-----------------------------+ |10 CFR SECTION: |CHRIS CHRISTENSEN RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |JOHN ZWOLINSKI, NRR EO | | |STINEDURF FEMA | | |FRANK CONGEL, AEOD IRD | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | UNUSUAL EVENT DECLARED DUE TO AN EXPLOSION OF A 230-VOLT SWITCHYARD CIRCUIT | | BREAKER AND THE RESULTING LOSS OF OFFSITE POWER ON UNIT 1 | | | | PRIOR TO THE EVENT, UNIT 1 WAS SHUTDOWN IN A REFUELING OUTAGE WITH ONE OF | | TWO OFFSITE POWER SOURCES AVAILABLE. UNIT 2 WAS AT 100% AND WAS SUPPLYING | | POWER TO THE UNIT 1 EMERGENCY BUSES. | | | | AT 1552, A 230-VOLT SWITCHYARD CIRCUIT BREAKER (#PCB-12) EXPLODED CAUSING | | THE LOSS OF THE AVAILABLE OFFSITE POWER SOURCE. THERE WERE NO PERSONNEL | | INJURIES. THE LICENSEE DECLARED AN UNUSUAL EVENT DUE TO THE LOSS OF | | OFFSITE POWER TO UNIT 1. | | | | THE LICENSEE IS DETERMINING THE CAUSE OF THE EXPLOSION. | | | | THE LICENSEE NOTIFIED STATE AND LOCAL OFFICIALS AND THE NRC RESIDENT | | INSPECTOR OF THE DECLARATION OF THE UNUSUAL EVENT. | | | | * * * UPDATE AT 1710 ON 06/03/98 FROM STEVE MOONEYHAN TO JOLLIFFE * * * | | | | AT 1644, THE LICENSEE TERMINATED THE UNUSUAL EVENT DUE TO REESTABLISHING | | ONE OFFSITE POWER SOURCE TO UNIT 1. | | | | THE LICENSEE NOTIFIED STATE AND LOCAL OFFICIALS AND THE NRC RESIDENT | | INSPECTOR OF THE TERMINATION OF THE UNUSUAL EVENT. THE OPERATIONS OFFICER | | NOTIFIED THE R2DO (CHRIS CHRISTENSEN), NRR EO (JOHN ZWOLINSKI), AEOD IRD | | (CONGEL), AND FEMA (STINEDURF) OF THE TERMINATION OF THE UNUSUAL EVENT. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34337 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MCGUIRE REGION: 2 |NOTIFICATION DATE: 06/03/98 | |UNIT: [ ] [2] [ ] STATE: NC |NOTIFICATION TIME: 16:44 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 06/03/98 | +------------------------------------------------+EVENT TIME: 16:00[EDT]| |NRC NOTIFIED BY: DENNIS McCORKLE |LAST UPDATE DATE: 06/03/98 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CHRIS CHRISTENSEN RDO | |AOUT 50.72(b)(1)(ii)(B) OUTSIDE DESIGN BASIS |JOHN ZWOLINSKI, NRR EO | |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 +------------------------------------------------------------------------------+ | DISCOVERY THAT THE VALVE SEAT ON ONE CYLINDER OF THE #2A EMERGENCY DIESEL | | GENERATOR (EDG) HAD DROPPED OUT OF ITS NORMAL POSITION | | | | UNIT 2 WAS AT 100% POWER WITH ONE OF TWO EDGs (THE #2A) INOPERABLE FOR | | MAINTENANCE ACTIVITIES. WHILE REMOVING THE HEAD FROM #2A EDG, THE LICENSEE | | DISCOVERED THAT THE VALVE SEAT ON ONE CYLINDER HAD DROPPED OUT OF ITS | | NORMAL POSITION. | | | | UNIT 2 ENTERED A 72-HOUR TECHNICAL SPECIFICATION LIMITING CONDITION FOR | | OPERATION ACTION STATEMENT AT 1732 ON 06/02/98. THE #2A EDG WAS LAST RUN | | SUCCESSFULLY ON 05/12/98. | | | | THE LICENSEE IS INVESTIGATING THIS CONDITION TO DETERMINE WHETHER THE #2A | | EDG WOULD HAVE PERFORMED ITS REQUIRED SAFETY FUNCTION AND TO DETERMINE | | CORRECTIVE ACTION. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34338 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: OCONEE REGION: 2 |NOTIFICATION DATE: 06/03/98 | |UNIT: [ ] [2] [ ] STATE: SC |NOTIFICATION TIME: 17:24 [ET]| |RX TYPE: [1] B&W-L-LP,[2] B&W-L-LP,[3] B&W-L-LP |EVENT DATE: 06/03/98 | +------------------------------------------------+EVENT TIME: 16:09[EDT]| |NRC NOTIFIED BY: NIX |LAST UPDATE DATE: 06/03/98 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CHRIS CHRISTENSEN RDO | |ARPS 50.72(b)(2)(ii) RPS ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | A/R Y 81 POWER OPERATION | 0 HOT SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | AUTOMATIC REACTOR TRIP FROM 81% POWER DUE TO A TURBINE TRIP AS A RESULT OF | | A REDUCTION IN CONDENSER VACUUM | | | | AT 1609, UNIT 2 EXPERIENCED A REDUCTION IN MAIN CONDENSER VACUUM WHICH | | RESULTED IN THE TRIP OF THE MAIN TURBINE. THE TURBINE TRIP IN TURN CAUSED | | AN ANTICIPATORY REACTOR TRIP FROM 81% POWER. ALL CONTROL RODS FULLY | | INSERTED INTO THE CORE. THE MAIN CONDENSER VACUUM INCREASED TO THE POINT | | WHERE STEAM COULD BE DUMPED TO THE MAIN CONDENSER. | | | | THE STEAM GENERATORS ARE BEING FED BY THE MAIN FEEDWATER SYSTEM. UNIT 2 IS | | STABLE IN MODE 4 (HOT SHUTDOWN). UNITS 1 AND 3 WERE UNAFFECTED BY THIS | | EVENT. | | | | THE LICENSEE IS INVESTIGATING THE CAUSE OF REDUCED MAIN CONDENSER VACUUM. | | | | THE NRC RESIDENT INSPECTOR WAS INFORMED BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 34339 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: NUCLEAR FUEL SERVICES INC. |NOTIFICATION DATE: 06/03/98 | | RXTYPE: URANIUM FUEL FABRICATION |NOTIFICATION TIME: 20:50 [ET]| |COMMENTS: HEU CONVERSION & SCRAP RECOVERY |EVENT DATE: 06/03/98 | | NAVAL REACTOR FUEL CYCLE |EVENT TIME: 20:45[EDT]| | LEU SCRAP RECOVERY |LAST UPDATE DATE: 06/03/98 | | CITY: ERWIN REGION: 2 +-----------------------------+ | COUNTY: UNICOI STATE: TN |PERSON ORGANIZATION| |LICENSE#: SNM-124 AGREEMENT: Y |CHRIS CHRISTENSEN RDO | | DOCKET: 07000143 |JOHN HICKEY, NMSS EO | +------------------------------------------------+CALDWELL FEMA | |NRC NOTIFIED BY: HENSLEY |FRANK CONGEL, AEOD IRD | |HQ OPS OFFICER: CHAUNCEY GOULD |TIM MARTIN, AEOD ET | +------------------------------------------------+JOHN JOLICOEUR, AEOD RCT | |EMERGENCY CLASS: ALERT | | |10 CFR SECTION: | | | | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT DECLARED AN ALERT DUE TO ENTERING A TORNADO WATCH. ALL PLANT | | PRODUCTION HAS BEEN CEASED. | | | | IN ADDITION TO THE NOTIFICATIONS REFERENCED ABOVE, THE NRC OPERATIONS | | OFFICER NOTIFIED THE HQ PAO (BEECHER) AS WELL AS THE FOLLOWING FEDERAL | | AGENCIES: DEPARTMENT OF ENERGY (ZACHMAN), ENVIRONMENTAL PROTECTION AGENCY | | (FITZSIMMONS), U.S. DEPARTMENT OF AGRICULTURE (BRICKERTON), AND HEALTH AND | | HUMAN SERVICES (RABB). | | | | * * * UPDATE ON 06/03/98 AT 2227 FROM HOPKINS TO GOULD * * * | | | | THE TORNADO WATCH AND ALERT WERE TERMINATED AT 2102. | | | | THE NRC OPERATIONS CENTER NOTIFIED THE NMSS EO (HICKEY), AEOD IRD (CONGEL), | | R2DO (CHRISTENSEN), AND HQ PAO (BEECHER) AS WELL AS THE FOLLOWING FEDERAL | | AGENCIES: FEDERAL EMERGENCY MANAGEMENT AGENCY (CALDWELL), DEPARTMENT OF | | ENERGY (MYERS), ENVIRONMENTAL PROTECTION AGENCY (FITZSIMMONS), U.S. | | DEPARTMENT OF AGRICULTURE (BRICKERTON), AND HEALTH AND HUMAN SERVICES | | (RABB). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 34340 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PORTSMOUTH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 06/04/98 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 03:13 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 06/04/98 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 02:20[EDT]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 06/04/98 | | CITY: PIKETON REGION: 3 +-----------------------------+ | COUNTY: PIKE STATE: OH |PERSON ORGANIZATION| |LICENSE#: GDP-2 AGREEMENT: N |BRUCE JORGENSEN RDO | | DOCKET: 0707002 |JOHN HICKEY, NMSS EO | +------------------------------------------------+FRANK CONGEL, AEOD IRD | |NRC NOTIFIED BY: GREG BARCH | | |HQ OPS OFFICER: LEIGH TROCINE | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NCFR NON CFR REPORT REQMNT | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | POTENTIAL COMPROMISE OF CLASSIFIED INFORMATION DUE TO AN UNSECURED | | CLASSIFIED REPOSITORY (1-HOUR REPORT) | | | | THE FOLLOWING TEXT IS A PORTION OF A FACSIMILE RECEIVED FROM PORTSMOUTH: | | | | "WHILE CONDUCTING ROUTINE SECURITY CHECKS IN THE X-100 FACILITY, PROTECTIVE | | FORCES PERSONNEL DISCOVERED AN UNSECURED CLASSIFIED REPOSITORY IN THE | | OFFICE AREA. THIS DISCOVERY WAS MADE AT 0220 HOURS ON THURSDAY, JUNE 4, | | 1998, AND [THE DISCOVERY] WAS IMMEDIATELY REPORTED TO THE PROTECTIVE FORCES | | SHIFT COMMANDER WHO THEN REPORTED THE INCIDENT TO THE ON-DUTY PLANT SHIFT | | SUPERINTENDENT. THE CUSTODIAN OF THE CLASSIFIED REPOSITORY WAS NOTIFIED, | | AND THE CONTENTS OF THE REPOSITORY WILL BE INVENTORIED. LEAVING A | | CLASSIFIED REPOSITORY UNSECURED CONSTITUTES A SECURITY INFRACTION AT THE | | PORTSMOUTH GASEOUS DIFFUSION PLANT." IT WAS ALSO REPORTED THAT THE | | CUSTODIAN IS CURRENTLY ON HIS EN ROUTE TO THE SITE TO INVENTORY THE | | CONTENTS OF THE REPOSITORY. | | | | PORTSMOUTH PERSONNEL NOTIFIED THE NRC RESIDENT INSPECTOR AND PLAN TO NOTIFY | | THE DEPARTMENT OF ENERGY SITE REPRESENTATIVE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 34341 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PORTSMOUTH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 06/04/98 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 03:16 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 06/03/98 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 19:54[EDT]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 06/04/98 | | CITY: PIKETON REGION: 3 +-----------------------------+ | COUNTY: PIKE STATE: OH |PERSON ORGANIZATION| |LICENSE#: GDP-2 AGREEMENT: N |BRUCE JORGENSEN RDO | | DOCKET: 0707002 |JOHN HICKEY, NMSS EO | +------------------------------------------------+ | |NRC NOTIFIED BY: DALE NOEL | | |HQ OPS OFFICER: LEIGH TROCINE | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NBNL RESPONSE-BULLETIN | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | NRC BULLETIN 90-01 RESPONSE (24-HOUR REPORT) | | | | AT 1954 HOURS ON 06/03/98, OPERATIONS PERSONNEL DISCOVERED THAT A NUCLEAR | | CRITICALITY SAFETY APPROVAL (NCSA) REQUIREMENT WAS NOT BEING MAINTAINED IN | | THE X-330 PROCESS BUILDING. A LAUNDRY CART OF ANTI-CONTAMINATION CLOTHING | | WAS FOUND WITHOUT THE REQUIRED COVER IN PLACE FOR MODERATION CONTROL; THUS | | VIOLATING REQUIREMENT #2 OF NSCA-PLANT-055. THIS CONSTITUTES THE LOSS OF | | CONTROL 'A' (MODERATION) IN THE DOUBLE CONTINGENCY MATRIX FOR CONTINGENCY | | EVENT A/B.1. CONTROL 'B' (MASS) WAS MAINTAINED THROUGHOUT THIS EVENT. | | CONTROL 'A' WAS RE-ESTABLISHED AT 2200 HOURS ON 06/03/98 UNDER THE | | DIRECTION OF NUCLEAR CRITICALITY SAFETY FIELD PERSONNEL. | | | | THERE WAS NO LOSS OF HAZARDOUS/RADIOACTIVE MATERIAL, AND THERE WERE NO | | RADIOACTIVE/RADIOLOGICAL CONTAMINATION EXPOSURES AS A RESULT OF THIS EVENT. | | | | THE LICENSEE STATED THAT THERE WAS A LACK OF ATTENTION TO DETAIL REGARDING | | NUCLEAR CRITICALITY CONTROLS. THERE WAS NO MODERATOR FOUND IN THE LAUNDRY | | CART, AND THERE WAS NO KNOWN OR SUSPECTED AMOUNT OF URANIUM-235 INVOLVED IN | | ANY FORM. | | | | PORTSMOUTH PERSONNEL NOTIFIED THE NRC RESIDENT INSPECTOR AND PLAN TO NOTIFY | | THE DEPARTMENT OF ENERGY SITE REPRESENTATIVE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34342 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: FITZPATRICK REGION: 1 |NOTIFICATION DATE: 06/04/98 | |UNIT: [1] [ ] [ ] STATE: NY |NOTIFICATION TIME: 04:01 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 06/04/98 | +------------------------------------------------+EVENT TIME: 03:15[EDT]| |NRC NOTIFIED BY: K. SHAWN ALLEN |LAST UPDATE DATE: 06/04/98 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LAURIE PELUSO RDO | |ASHU 50.72(b)(1)(i)(A) PLANT S/D REQD BY TS | | |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 | 98 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | TECHNICAL SPECIFICATION REQUIRED SHUTDOWN DUE TO THE FAILURE OF A SCRAM | | DISCHARGE VOLUME DRAIN VALVE TO MEET THE CLOSING TIME REQUIRED BY THE | | INSERVICE TEST PROCEDURE | | | | DURING THE PERFORMANCE OF A PLANNED QUARTERLY SURVEILLANCE, SCRAM DISCHARGE | | VOLUME DRAIN VALVE #03-AOV-37 STROKED IN 20.9 SECONDS IN LIEU OF 20.8 | | SECONDS AS REQUIRED BY THE INSERVICE TEST PROCEDURE. (TECHNICAL | | SPECIFICATIONS REQUIRE THE VALVE TO STROKE IN LESS THAN 30 SECONDS.) | | BECAUSE THE VALVE FAILED TO MEET THE STROKE TIME REQUIRED BY THE PROCEDURE, | | THE LICENSEE DECLARED THE VALVE TO BE INOPERABLE. ACCORDINGLY, THE UNIT | | ENTERED A 24-HOUR TO COLD SHUTDOWN TECHNICAL SPECIFICATION LIMITING | | CONDITION FOR OPERATION. | | | | INSERVICE TESTING ENGINEERS ARE CURRENTLY EN ROUTE TO THE SITE TO EVALUATE | | THE OPERABILITY OF THE VALVE. | | | | THE LICENSEE PLANS TO NOTIFY THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+