U.S. Nuclear Regulatory Commission Operations Center Event Reports For 04/26/96 - 04/29/96 ** EVENT NUMBERS ** 30192 30359 30366 30370 30371 30372 30373 30374 30375 30376 30377 30378 30379 !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30192 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DAVIS BESSE REGION: 3 |NOTIFICATION DATE: 03/28/96 | |UNIT: [1] [ ] [ ] STATE: OH |NOTIFICATION TIME: 13:56 [ET]| |RX TYPE: [1] B&W-R-LP |EVENT DATE: 03/28/96 | +------------------------------------------------+EVENT TIME: 13:42[EST]| |NRC NOTIFIED BY: DAVID ESHELMAN |LAST UPDATE DATE: 04/26/96 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LEWIS MILLER 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 86 POWER OPERATION | 86 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | TECHNICAL SPECIFICATION 4.0.3 ENTRY DUE TO THE DISCOVERY THAT A VENDOR'S | | PROCEDURE FOR PERFORMING CARBON FILTER SAMPLING ANALYSES UTILIZED A MORE UP | | TO DATE ANSI STANDARD TEMPERATURE (30øC VERSUS 80øC) THAN THE REGULATORY | | GUIDE AND ANSI STANDARD REQUIRED BY THE TECHNICAL SPECIFICATIONS. | | | | THE LICENSEE IS REQUIRED TO SAMPLE THE UNIT'S CARBON FILTERS EVERY 18 | | MONTHS, AND ONE OF THE TESTS PERFORMED INVOLVES SHIPMENT OF A SAMPLE TO A | | VENDOR FOR THE PERFORMANCE OF VARIOUS ANALYSES. REVIEWS OF THE LICENSEE'S | | CARBON FILTER SAMPLING PROGRAM FOR THE STATION EMERGENCY VENTILATION, | | CONTROL ROOM EMERGENCY VENTILATION, AND HYDROGEN PURGE SYSTEMS HAVE SHOWN | | THAT THE LABORATORY ANALYSIS OF THE SAMPLE IS BEING PERFORMED AT 30øC IN | | LIEU OF 80øC AS DICTATED IN THE ANSI STANDARD (#N509 DATED 1976) REFERENCED | | BY REGULATORY GUIDE 1.52 WHICH IS DESCRIBED IN THE TECHNICAL SPECIFICATION | | SURVEILLANCE REQUIREMENTS. (APPARENTLY, THE 30øC CRITERIA IS MORE | | CONSERVATIVE AND IS REFERENCED IN A NEW ANSI STANDARD.) THIS, THEREFORE, | | IS A FAILURE TO PERFORM THE LITERAL REQUIREMENTS OF THE SURVEILLANCE WITHIN | | THE ALLOWED TIME INTERVAL, AND THIS CONDITION HAS EXISTED SINCE | | APPROXIMATELY 1991. THIS REPRESENTS 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 OR | | CONTROL THE RELEASE OF RADIOACTIVE MATERIAL. | | | | BASED ON THE FACT THAT THIS AFFECTS BOTH TRAINS OF THE UNIT'S STATION | | EMERGENCY VENTILATION, CONTROL ROOM EMERGENCY VENTILATION, AND CONTAINMENT | | HYDROGEN PURGE SYSTEMS PER TECHNICAL SPECIFICATIONS 3.6.5.1, 3.7.6.1, AND | | 3.6.4.4, RESPECTIVELY; THE LICENSEE ENTERED THE ACTION STATEMENTS OF | | TECHNICAL SPECIFICATION 3.0.3 AT 1342. BECAUSE OF THE FACT THAT THE | | REQUIRED TECHNICAL SPECIFICATION 3.0.3 ACTION IS TO BE COMPLETED IN LESS | | THAN 24 HOURS, THE LICENSEE HAS INVOKED TECHNICAL SPECIFICATION 4.0.3 WHICH | | ALLOWS FOR THE DELAY OF THE TECHNICAL SPECIFICATION 3.0.3 ACTIONS FOR 24 | | HOURS IN ORDER TO FACILITATE THE PERFORMANCE OF THE APPROPRIATE | | SURVEILLANCE REQUIREMENTS. | | | | THIS WAS DISCOVERED AS A RESULT OF A SIMILAR ISSUE AT THE SUMMER FACILITY. | | | | THE LICENSEE HAS INFORMED THE NRC RESIDENT INSPECTOR. | | | | * * * UPDATE AT 1552 ON 04/26/96 BY TIM CHAMBERS ENTERED BY JOLLIFFE * * * | | | | THE LICENSEE DESIRES TO RETRACT THIS EVENT SINCE THE TESTING OF CHARCOAL | | FOR METHYLIODIDE PENETRATION IS MORE CONSERVATIVE WHEN PERFORMED TO UPDATED | | STANDARDS, THE ABILITY OF THE CHARCOAL FILTERS TO MITIGATE THE CONSEQUENCES | | OF AN ACCIDENT WAS NOT REDUCED. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | THE HOO NOTIFIED THE R3DO MARTY FARBER. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30359 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: LIMERICK REGION: 1 |NOTIFICATION DATE: 04/25/96 | |UNIT: [1] [2] [ ] STATE: PA |NOTIFICATION TIME: 13:57 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 04/25/96 | +------------------------------------------------+EVENT TIME: 13:45[EDT]| |NRC NOTIFIED BY: BOB DELANEY |LAST UPDATE DATE: 04/26/96 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: UNUSUAL EVENT +-----------------------------+ |10 CFR SECTION: |GENE KELLY RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |BOB DENNIG, NRR EO | |ACHE 50.72(b)(1)(vi) CHEM HAZ(TOX GAS REL) |SULLIVAN FEMA | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 93 POWER OPERATION | 93 POWER OPERATION | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - UNUSUAL EVENT DECLARED DUE TO INVALID CONTROL ROOM TOXIC GAS ALARM - | | | | AT 1357, THE LICENSEE DECLARED AN UNUSUAL EVENT WHEN A TOXIC GAS ALARM WAS | | RECEIVED IN THE COMMON CONTROL ROOM. ONE COMMON CONTROL ROOM TOXIC GAS | | MONITOR INDICATED 50 PPM AMMONIA; THE SECOND MONITOR INDICATED 10 PPM | | AMMONIA; AND THE THIRD MONITOR INDICATED 0 PPM AMMONIA. | | | | CONTROL ROOM OPERATORS MANUALLY ISOLATED THE COMMON CONTROL ROOM HVAC | | SYSTEM AND SHIFTED IT TO THE RECIRC MODE. THE LICENSEE SAMPLED THE CONTROL | | ROOM ATMOSPHERE AND CONTROL ROOM VENTILATION DUCT WORK AND DETERMINED THAT | | NO TOXIC FUMES WERE PRESENT IN THE CONTROL ROOM. | | | | THE LICENSEE CONTACTED THE NEARBY CHEMICAL PLANT TO INQUIRE ABOUT AN | | AMMONIA RELEASE; THE CHEMICAL PLANT REPRESENTATIVE WAS GOING TO CHECK INTO | | IT AND REPORT BACK TO LIMERICK. | | | | THE LICENSEE NOTIFIED STATE AND LOCAL OFFICIALS AND THE NRC RESIDENT | | INSPECTOR OF THE DECLARATION OF THE UNUSUAL EVENT. | | | | AT 1400, CONTROL ROOM OPERATORS SHIFTED THE CONTROL ROOM HVAC SYSTEM BACK | | TO NORMAL MODE AND TERMINATED THE UNUSUAL EVENT. | | | | THE LICENSEE WILL NOTIFY STATE AND LOCAL OFFICIALS AND THE NRC RESIDENT | | INSPECTOR OF THE TERMINATION OF THE UNUSUAL EVENT. | | | | THE LICENSEE IS INVESTIGATING THE CAUSE OF THIS EVENT. | | | | THIS EVENT HAD NO EFFECT ON OPERATIONS OF UNITS 1 OR 2. | | | | * * * UPDATE AT 1323 ON 04/26/96 BY BOB DELANEY ENTERED BY JOLLIFFE * * * | | | | THE LICENSEE DETERMINED THAT THE TOXIC GAS ANALYZERS RESPONDED TO FUMES | | RELEASED BY A SEALANT BEING APPLIED TO THE EXTERIOR OF THE CONTROL | | BUILDING. ALL EXTERIOR CLEANING AND SEALING ACTIVITIES WERE SUSPENDED | | PENDING ADDITIONAL LICENSEE EVALUATION. | | | | THERE WAS NO RELEASE OF TOXIC GAS FROM THE NEARBY CHEMICAL PLANT. | | | | THE LICENSEE WILL DETERMINE THE CAUSE OF THIS EVENT AND SUBMIT AN LER TO | | THE NRC. | | | | THE LICENSEE NOTIFIED STATE OFFICIALS AND THE NRC RESIDENT INSPECTOR. | | | | THE HOO NOTIFIED THE R1DO GENE KELLY. | +------------------------------------------------------------------------------+ !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30366 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CLINTON REGION: 3 |NOTIFICATION DATE: 04/25/96 | |UNIT: [1] [ ] [ ] STATE: IL |NOTIFICATION TIME: 17:14 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 04/25/96 | +------------------------------------------------+EVENT TIME: 15:20[CDT]| |NRC NOTIFIED BY: DAN RAGAN |LAST UPDATE DATE: 04/26/96 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MARTIN FARBER RDO | |DDDD 73.71 UNSPECIFIED PARAGRAPH | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | SECURITY EVENT - | | | | SECURITY KEYS WERE UNACCOUNTED FOR. IMMEDIATE COMPENSATORY ACTIONS WERE | | TAKEN. SEE HOO LOG FOR DETAILS. | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | | | | * * * RETRACTION AT 0939 ON 04/26/96 BY D. SMITH TAKEN BY MACKINNON * * * | | | | LICENSEE IS RETRACTING THIS EVENT BECAUSE A REVIEW OF THE ALARM DATA FROM | | THE TIME THE OPERATOR DETERMINED THE LOSS OF THE VITAL AREA KEY HAD | | OCCURRED UNTIL THE VITAL AREA KEY WAS RECOVERED REVEALED THAT NO ALARMS ON | | VITAL AREA DOORS HAD OCCURRED. THE VITAL AREA CORES WERE ALSO CHANGED OUT | | LATER ON. LICENSEE WILL CARRY THIS EVENT IN THEIR SAFEGUARDS LOG. REGION 3 | | (CREED AND BELANGER) WERE NOTIFIED OF THIS EVENT BY THE LICENSEE. R3DO | | (MARTY FARBER) NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30370 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: HARRIS REGION: 2 |NOTIFICATION DATE: 04/26/96 | |UNIT: [1] [ ] [ ] STATE: NC |NOTIFICATION TIME: 00:45 [ET]| |RX TYPE: [1] W-3-LP |EVENT DATE: 04/25/96 | +------------------------------------------------+EVENT TIME: 21:07[EDT]| |NRC NOTIFIED BY: JAMES ABRAHAM |LAST UPDATE DATE: 04/26/96 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GEORGE AL BELISLE RDO | |ARPS 50.72(b)(2)(ii) RPS ACTUATION | | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | A/R Y 100 POWER OPERATION | 0 HOT STANDBY | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | TURBINE TRIP - REACTOR TRIP | | | | WHILE PERFORMING MAINTENANCE ON GENERATOR OUTPUT BREAKER 52-9, PERSONNEL IN | | THE SWITCHYARD REPORTED A FLASH ON THE "A" PHASE OF THE DISCONNECTS OF | | BREAKER 52-7, THE REMAINING OUTPUT BREAKER. EACH BREAKER IS SIZED FOR FULL | | GENERATOR LOAD, BUT BOTH BREAKERS ARE USUALLY IN SERVICE. THE TURBINE | | TRIPPED BECAUSE OF A GENERATOR LOCKOUT AND THEN THE REACTOR TRIPPED AT | | 2107. | | | | ALL RODS FULLY INSERTED AND REACTOR COOLANT PUMPS REMAINED OPERATIONAL. | | SEVERAL BUSSES LOST POWER AT THE TIME OF THE TRIP AND SECONDARY SYSTEM | | EQUIPMENT WAS SECURED DUE TO THE LOSS OF NORMAL SERVICE WATER. THE "A" | | ESSENTIAL SERVICE WATER PUMP STARTED AND SUPPLIED ITS HEADER. A MOMENTARY | | LOSS OF POWER WAS SENSED ON THE "B" SAFETY BUS. THE "B" EDG STARTED AND | | LOADED TO THE BUS AS EXPECTED. THE "A" SAFETY BUS DID NOT LOSE POWER, | | HOWEVER THE "A" EDG WAS FOUND TO BE IN THE "OPERATIONAL MODE" BUT WITH THE | | MAINTENANCE MODE LIGHTS ON. THIS CONDITION IS INDICATIVE OF A CIRCUITRY | | PROBLEM. AUXILIARY FEEDWATER ACTUATED DUE TO LOW LEVEL IN THE STEAM | | GENERATORS AND ALL THREE PUMPS ACTUATED PROPERLY. DECAY HEAT IS BEING | | REMOVED VIA THE STEAM GENERATOR PORVs AS REQUIRED. ISOLATION SIGNALS WERE | | RECEIVED FOR BOTH THE CONTAINMENT AND CONTROL ROOM ISOLATION SYSTEMS, | | PROBABLY DUE TO THE LOSS OF POWER TO ASSOCIATED RADIATION MONITORS. THERE | | WAS NO SAFETY INJECTION SIGNAL, HOWEVER AT 2152 IT WAS NOTICED THAT THE | | RWST SUCTION VALVES TO THE CHARGING SAFETY INJECTION PUMPS WERE OPEN. THE | | VCT OUTLET VALVES WERE REOPENED AND THE RWST VALVES WERE SHUT. RWST LEVEL | | HAD DROPPED TO 94% ON THE LOWEST INDICATION WHICH IS GREATER THAT THE | | TECHNICAL SPECIFICATION REQUIRED MINIMUM OF 92%. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |GENERAL INFORMATION or OTHER | |EVENT NUMBER: 30371 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: UNIVERSAL IMAGING INC. |NOTIFICATION DATE: 04/26/96 | | CITY: TAYLOR REGION: 3 |NOTIFICATION TIME: 09:08 [ET]| | COUNTY: WAYNE STATE: MI |EVENT DATE: 03/18/96 | |LICENSE#: 21-26532-01 AGREEMENT: N |EVENT TIME: 10:00[EDT]| | DOCKET: |LAST UPDATE DATE: 04/26/96 | | +-----------------------------+ | |PERSON ORGANIZATION| | |MARTY FARBER RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: TRACY KING | | |HQ OPS OFFICER: JOHN MacKINNON | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |LADM 35.33(a) MED MISADMINISTRATION | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | PATIENT RECEIVED 200æci OF NaI-131 INSTEAD OF RECEIVING 200æci OF NaI-123 | | FOR A THYROID UPTAKE SCAN. | | | | ONCE EVERY THREE MONTHS UNIVERSAL IMAGING INC. LOCATED IN TAYLOR, MI HAS A | | CONSULTANT (PHYSICIST) REVIEW THEIR RECORDS. WHILE REVIEWING THE RECORDS | | THE CONSULTANT DISCOVERED THAT A MEDICAL MISADMINISTRATION HAD TAKEN PLACE | | ON MARCH 18th OF THIS YEAR. A PATIENT WAS TO HAVE RECEIVED 200æci OF | | NaI-123 BUT INSTEAD RECEIVED 200æci OF NaI-131. A MEDICAL TECHNOLOGIST HAD | | ORDERED 200æci OF NaI-123. LICENSEE RECEIVED 200æci OF NaI-131 INSTEAD OF | | THE 200æci OF NaI-123. A MEDICAL TECHNOLOGIST ADMINISTERED THE 200æci OF | | NaI-131 TO THE PATIENT ON 03/18/96. THIS FACILITY HAS NEVER USED NaI-131 | | BEFORE AND THEY DO NOT HAVE ANY WRITTEN PROCEDURES FOR ADMINISTERING | | NaI-131. THE MEDICAL TECHNOLOGIST COULD NOT FIND A WRITTEN PROCEDURE FOR | | USING NaI-131 BUT INSTEAD OF STOPPING AND TRYING TO FIND OUT WHY THEY DID | | NOT HAVE A PROCEDURE SHE WENT AHEAD AND ADMINISTERED IT TO THE PATIENT. | | LICENSEE IS STILL INVESTIGATING THIS EVENT. THE PATIENT'S DOCTOR WAS | | NOTIFIED AT 1600 EDT ON 04/25/96 ABOUT THE MEDICAL MISADMINISTRATION. NO | | ADVERSE HEALTH EFFECTS TO THE PATIENT SHOULD BE CAUSED FROM THIS MEDICAL | | MISADMINISTRATION. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30372 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: OYSTER CREEK REGION: 1 |NOTIFICATION DATE: 04/26/96 | |UNIT: [1] [ ] [ ] STATE: NJ |NOTIFICATION TIME: 12:10 [ET]| |RX TYPE: [1] GE-2 |EVENT DATE: 04/26/96 | +------------------------------------------------+EVENT TIME: 10:00[EDT]| |NRC NOTIFIED BY: FRANK CIGANIK |LAST UPDATE DATE: 04/26/96 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GENE KELLY RDO | |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 N 0 HOT SHUTDOWN | 0 HOT SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - PRESS RELEASE ISSUED ON PLANT SHUTDOWN TO REMOVE A LOOSE PART - | | | | ON 04/26/96, THE LICENSEE ISSUED A PRESS RELEASE COVERING THE FOLLOWING | | INFORMATION: | | | | AT 2100 ON 04/25/96, THE LICENSEE BEGAN A CONTROLLED PLANT SHUTDOWN IN | | ORDER TO REMOVE A 15 INCH DIAMETER STEEL PLATE LODGED INSIDE A 24 INCH | | DIAMETER SECTION OF THE CONDENSATE SYSTEM. THE PLATE IS A STEAM SEAL | | EXHAUSTER DIVERSION PLATE COVER THAT IS USED TO CONTROL THE FLOW OF WATER | | THROUGH A CONDENSATE HEAT EXCHANGER. | | | | THE LICENSEE DISCOVERED THAT THIS PLATE WAS MISSING FROM ITS ORIGINAL | | POSITION IN DECEMBER, 1995, WHILE PERFORMING PLANT MAINTENANCE ACTIVITIES. | | THE LICENSEE USED RADIOGRAPHY TO LOCATE THIS PLATE COVER APPROXIMATELY | | 20 FEET DOWNSTREAM FROM ITS ORIGINAL POSITION AND UPSTREAM OF CONDENSATE | | FLOW ELEMENTS AND CONDENSATE DEMINERALIZERS. THIS DISLODGED PLATE COVER | | IS IN A LOCATION WHERE IT HAS NOT RESTRICTED CONDENSATE SYSTEM FLOW AND | | HAS NOT IMPACTED THE OPERATION OF THE PLANT. | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30373 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: OCONEE REGION: 2 |NOTIFICATION DATE: 04/26/96 | |UNIT: [1] [2] [3] STATE: SC |NOTIFICATION TIME: 12:44 [ET]| |RX TYPE: [1] B&W-L-LP,[2] B&W-L-LP,[3] B&W-L-LP |EVENT DATE: 04/26/96 | +------------------------------------------------+EVENT TIME: 10:00[EDT]| |NRC NOTIFIED BY: DOUG HAYES |LAST UPDATE DATE: 04/26/96 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GEORGE AL BELISLE RDO | |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 | | 2 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | 3 | N Y 100 POWER OPERATION | 100 POWER OPERATION | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE INADVERTENTLY RELEASED APPROXIMATELY 2 GALLONS OF OIL FROM AN | | ONSITE WASTE WATER TREATMENT POND INTO A WETLANDS AREA WHICH FLOWS INTO THE | | KEOWEE RIVER. NO OIL IS VISIBLE ON THE RIVER. THE LICENSEE IS CLEANING UP | | THE SPILL. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR, STATE & COUNTY OFFICIALS, | | AND THE USCG NATIONAL RESPONSE CENTER. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30374 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MAINE YANKEE REGION: 1 |NOTIFICATION DATE: 04/26/96 | |UNIT: [1] [ ] [ ] STATE: ME |NOTIFICATION TIME: 15:04 [ET]| |RX TYPE: [1] CE |EVENT DATE: 04/26/96 | +------------------------------------------------+EVENT TIME: 14:15[EDT]| |NRC NOTIFIED BY: PETE EBERT |LAST UPDATE DATE: 04/26/96 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GENE KELLY RDO | |AOUT 50.72(b)(1)(ii)(B) OUTSIDE DESIGN BASIS | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 90 POWER OPERATION | 90 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | -TURBINE HALL FLOOD PROTECTION SWING PANELS WOULD NOT OPEN DURING A FLOOD- | | | | AT 1415, THE LICENSEE DETERMINED THAT THE TURBINE HALL NORTH DOOR FLOOD | | PROTECTION SWING PANELS WERE NOT CAPABLE OF MITIGATING THE DESIGN BASIS | | FLOODING EVENT. | | | | LICENSEE DESIGN DOCUMENTS INDICATE THAT SUFFICIENT HYDROSTATIC HEAD WOULD | | BE AVAILABLE TO OPEN THE TURBINE HALL NORTH DOOR FLOOD PROTECTION SWING | | PANELS DURING A DESIGN BASIS FLOODING EVENT. HOWEVER, NEW CALCULATIONS | | INDICATE THAT THE NORTH DOOR FLOOD PROTECTION SWING PANELS COULD NOT | | PREVENT POOLING OF WATER IN THE TURBINE HALL TO A LEVEL WHICH COULD | | ADVERSELY AFFECT EQUIPMENT IMPORTANT TO SAFETY DURING A DESIGN BASIS | | FLOODING EVENT. | | | | THE POTENTIALLY AFFECTED COMPONENTS INCLUDE EMERGENCY DIESEL GENERATOR | | CABLES, CONTROL ROOM CABLES, AND COMPONENT COOLING PUMP MOTORS. | | | | IN ORDER TO MITIGATE THE INOPERABLE CONDITION OF THE TURBINE HALL FLOOD | | PROTECTION SWING PANELS, BOTH THE NORTH AND SOUTH ROLL-UP DOORS HAVE BEEN | | OPENED 5 INCHES TO ALLOW FOR THE EGRESS OF FLOOD WATERS WHICH COULD RESULT | | FROM A DESIGN BASIS FLOODING EVENT. | | | | THE LICENSEE WILL MAKE PERMANENT DESIGN MODIFICATIONS TO CORRECT THIS | | CONDITION. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30375 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DIABLO CANYON REGION: 4 |NOTIFICATION DATE: 04/26/96 | |UNIT: [ ] [2] [ ] STATE: CA |NOTIFICATION TIME: 17:53 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 04/26/96 | +------------------------------------------------+EVENT TIME: 12:14[PDT]| |NRC NOTIFIED BY: GLENN GOELZER |LAST UPDATE DATE: 04/26/96 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN PELLET RDO | |AINC 50.72(b)(2)(iii)(C) POT UNCNTRL RAD REL | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N N 0 REFUELING | 0 REFUELING | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | -EDDY CURRENT TEST DETERMINED THAT > 1% OF SG TUBES INSPECTED ARE DEFECTIVE | | | | WHILE UNIT 2 IS DEFUELED, THE LICENSEE HAS DETERMINED BY EDDY CURRENT | | TESTING THAT GREATER THAN 1% (63) OF THE TUBES INSPECTED IN #2-2 STEAM | | GENERATOR THUS FAR ARE DEFECTIVE AND NEED TO BE PLUGGED. | | | | CURRENT RESULTS OF THE #2-2 STEAM GENERATOR TUBE INSPECTION FALL INTO | | CATEGORY #C-3 IN TECH SPEC TABLE 4.4-2. EDDY CURRENT TESTING OF | | #2-2 STEAM GENERATOR TUBES IS CONTINUING. | | | | THE LICENSEE WILL SUBMIT A SPECIAL REPORT TO THE NRC WITHIN 30 DAYS IN | | ACCORDANCE WITH TECH SPEC 4.4.5.5.c AND AN LER TO THE NRC WITHIN 30 DAYS. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30376 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DRESDEN REGION: 3 |NOTIFICATION DATE: 04/26/96 | |UNIT: [ ] [2] [ ] STATE: IL |NOTIFICATION TIME: 23:39 [ET]| |RX TYPE: [1] GE-1,[2] GE-3,[3] GE-3 |EVENT DATE: 04/26/96 | +------------------------------------------------+EVENT TIME: 22:02[CDT]| |NRC NOTIFIED BY: BILL CARTER |LAST UPDATE DATE: 04/26/96 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MARTIN FARBER 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 24 POWER OPERATION | 24 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | HIGH PRESSURE COOLANT INJECTION SYSTEM TAKEN OUT OF SERVICE TO REPAIR | | PIN-HOLE LEAKS IN THE DRAIN LINE TO THE MAIN CONDENSER. THE ISOLATION | | CONDENSERS ARE OPERABLE. THE UNIT IS IN A SEVEN DAY LCO PER TECH SPEC | | 3.5.C.2. THEY WILL REMAIN AT 24% POWER UNTIL THE REPAIRS ARE COMPLETED. | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30377 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: HOPE CREEK REGION: 1 |NOTIFICATION DATE: 04/27/96 | |UNIT: [1] [ ] [ ] STATE: NJ |NOTIFICATION TIME: 17:26 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 04/27/96 | +------------------------------------------------+EVENT TIME: 15:08[EDT]| |NRC NOTIFIED BY: KURT KRUEGER |LAST UPDATE DATE: 04/27/96 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GENE KELLY 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 +------------------------------------------------------------------------------+ | - HPCI SYSTEM DECLARED INOPERABLE DUE TO A BLOWN FUSE FOR UNKNOWN REASONS - | | | | A BLOWN FUSE ASSOCIATED WITH THE HIGH PRESSURE COOLANT INJECTION (HPCI) | | SYSTEM LOGICS CAUSED A NUMBER OF INSTRUMENTATION TRIP UNITS TO DEENERGIZE. | | THE HPCI SYSTEM SUCTION PATH SWAPPED FROM THE CONDENSATE STORAGE TANK (CST) | | TO THE SUPPRESSION CHAMBER DUE TO A FALSE CST LOW WATER LEVEL SIGNAL. | | | | THE LICENSEE DECLARED THE HPCI SYSTEM INOPERABLE. | | | | LICENSEE IS INVESTIGATING THE CAUSE OF THE BLOWN FUSE. THEY WILL REPLACE | | THE FUSE, RESET ALL SYSTEMS TO NORMAL AND DECLARE THE HPCI SYSTEM OPERABLE. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR AND COUNTY OFFICIALS. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30378 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MONTICELLO REGION: 3 |NOTIFICATION DATE: 04/28/96 | |UNIT: [1] [ ] [ ] STATE: MN |NOTIFICATION TIME: 02:31 [ET]| |RX TYPE: [1] GE-3 |EVENT DATE: 04/28/96 | +------------------------------------------------+EVENT TIME: 00:16[CDT]| |NRC NOTIFIED BY: DON MODESITT |LAST UPDATE DATE: 04/28/96 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MARTIN FARBER RDO | |ARPS 50.72(b)(2)(ii) RPS ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | A N 0 REFUELING | 0 REFUELING | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | REACTOR PROTECTIVE SYSTEM (RPS) ACTUATION SIGNAL DUE TO HUMAN ERROR. | | | | DURING REFUELING OPERATIONS, THE SOURCE RANGE MONITORING (SRM) LOGIC IS | | MODIFIED BY THE REMOVAL OF SHORTING LINKS TO PERMIT A RPS ACTUATION BY A | | HIGH RANGE SIGNAL FROM A SINGLE CHANNEL. THE PURPOSE OF THIS MODIFICATION | | IS TO PROTECT A REACTOR CORE THAT IS ONLY PARTIALLY RELOADED INTO THE | | REACTOR VESSEL FROM DAMAGING POWER EXCURSIONS. THE NORMAL LOGIC | | CONFIGURATION IS ONE-OUT-OF-TWO-TWICE. | | | | WHILE RESTORING THE SRM SHORTING LINKS, A FULL SCRAM SIGNAL OCCURRED DUE TO | | PERSONNEL ERROR. A LACK OF COMMUNICATION BETWEEN THE TECHNICIAN RESTORING | | THE LINKS AND THE OPERATOR CLEARING HALF SCRAMS SIGNALS CAUSED THE RPS | | ACTUATION SIGNAL WHEN A LINK WAS CONNECTED BEFORE THE HALF SCRAM SIGNAL WAS | | RESET. SPECIFICALLY, THE HALF SCRAM SIGNAL ON THE "A" RPS WAS NOT RESET | | PRIOR TO PROCEEDING TO REINSTALL THE LINK ON THE "B" RPS. NO CONTROL ROD | | MOTION OCCURRED; ALL CONTROL RODS WERE FULLY INSERTED INTO THE CORE PRIOR | | TO THE RPS ACTUATION SIGNAL. THE LICENSEE INFORMED THE NRC RESIDENT | | INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30379 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: WATTS BAR REGION: 2 |NOTIFICATION DATE: 04/28/96 | |UNIT: [1] [ ] [ ] STATE: TN |NOTIFICATION TIME: 14:05 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 04/28/96 | +------------------------------------------------+EVENT TIME: 11:10[EDT]| |NRC NOTIFIED BY: JIM McGINNIS |LAST UPDATE DATE: 04/28/96 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |AL BELISLE RDO | |ARPS 50.72(b)(2)(ii) RPS ACTUATION | | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 72 POWER OPERATION | 0 HOT STANDBY | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | Rx TRIP FROM 72% POWER DUE TO MAIN TURBINE TRIP CAUSED BY THE INITIATION OF | | THE "BOTH MFW PUMPS TRIPPED" LOGIC. | | | | WITH THE 'B' TURBINE DRIVEN MAIN FEEDWATER PUMP (MFP) INOPERABLE TO REPAIR | | A LEAKING VALVE, THE 'A' OPERATING MFP TRIPPED FOR UNKNOWN REASONS. | | LICENSEE IS INVESTIGATING THE CAUSE. | | | | THIS INITIATED THE "BOTH MAIN FEEDWATER PUMPS TRIPPED" LOGIC CAUSING THE | | MAIN TURBINE TO TRIP AND A REACTOR TRIP BECAUSE POWER WAS ABOVE THE | | PERMISSIVE P-9 SET POINT OF 49% POWER. THE REACTOR TRIPED FROM 72% POWER. | | ALL CONTROL RODS FULLY INSERTED INTO THE CORE. THE AUXILIARY FEEDWATER | | SYSTEM ACTUATED, AS DESIGNED. STEAM IS BEING DUMPED TO THE MAIN CONDENSER. | | ALL EMERGENCY CORE COOLING SYSTEMS AND EMERGENCY POWER SUPPLIES ARE | | OPERABLE AND IN STANDBY MODE. THE PLANT IS STABLE IN MODE 3 (HOT STANDBY). | | | | THE LICENSEE PLANS TO RESTART THE PLANT ON 04/29/96. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR AND PLANS TO ISSUE A | | PRESS RELEASE. | +------------------------------------------------------------------------------+