U.S. Nuclear Regulatory Commission Operations Center Event Reports For 01/04/96 - 01/05/96 ** EVENT NUMBERS ** 29791 29792 29793 29794 29795 29796 29797 29798 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29791 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: HATCH REGION: 2 |NOTIFICATION DATE: 01/04/96 | |UNIT: [1] [ ] [ ] STATE: GA |NOTIFICATION TIME: 01:18 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 01/04/96 | +------------------------------------------------+EVENT TIME: 00:20[EST]| |NRC NOTIFIED BY: COLEMAN |LAST UPDATE DATE: 01/04/96 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CHRIS CHRISTENSEN 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 95 POWER OPERATION | 0 HOT SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | REACTOR SCRAMMED ON HIGH REACTOR PRESSURE DUE TO MAIN TURBINE CONTROL VALVE | | CLOSURE (FOR UNKNOWN REASON). | | | | INITIAL CONDITION: MAIN TURBINE CONTROL VALVES 1, 2, & 3 WERE OPEN AND MAIN | | TURBINE CONTROL VALVE #4 WAS CLOSED FOR END OF CYCLE COASTDOWN. | | | | ABOUT 10 MINUTES BEFORE THE REACTOR SCRAM, THE LICENSEE NOTICED THAT THE | | MAIN TURBINE BYPASS VALVES WERE OPENING. UPON FURTHER INVESTIGATION, THE | | LICENSEE FOUND THAT MAIN TURBINE CONTROL VALVE #2 HAD CLOSED. WHEN MAIN | | TURBINE CONTROL VALVE #2 CLOSED MAIN TURBINE CONTROL VALVE #4 SHOULD HAVE | | OPENED. | | | | REACTOR POWER WAS REDUCED TO APPROXIMATELY 50% SO AS TO STAY WITHIN THE | | CAPACITY OF THE REMAINING TWO OPEN MAIN TURBINE CONTROL VALVES (#1 & #3). | | SHORTLY AFTER REACHING 50% POWER LEVEL MAIN TURBINE CONTROL VALVES #1 & #3 | | BEGAN TO CLOSE. | | | | THE SHIFT SUPERVISOR INSTRUCTED THE REACTOR OPERATOR TO MANUALLY SCRAM THE | | PLANT. BEFORE THE MANUAL REACTOR SCRAM COULD BE PERFORMED THE REACTOR | | SCRAMMED ON HIGH REACTOR PRESSURE (SETPOINT 1042 psig). ALL RODS FULLY | | INSERTED INTO THE CORE. THE HIGHEST REACTOR PRESSURE DURING THIS EVENT WAS | | 1050 psig (NO SRVs OPENED). DURING THE TRANSIENT REACTOR VESSEL WATER | | LEVEL DECREASED FROM ITS NORMAL OPERATING LEVEL OF +37" TO 0". HPCI/RCIC | | DID NOT START BECAUSE REACTOR VESSEL WATER LEVEL DID NOT DECREASE TO -35". | | ALL EMERGENCY CORE COOLING SYSTEMS AND EMERGENCY DIESEL GENERATORS ARE | | OPERABLE IF NEEDED. | | | | THE LICENSEE THINKS THAT THIS EVENT COULD HAVE BEEN CAUSED BY BLOCKAGE IN | | THE EHC OIL SERVO STRAINER. THEY HAVE HAD PROBLEMS IN THE PAST WITH THE | | STRAINER. LICENSEE SAID THAT THEY DID NOT SEE ANY EHC PRESSURE | | FLUCTUATIONS OR ANY INCREASE IN THE AMPERAGE TO THE EHC PUMPS. | | | | THE LICENSEE WILL RESTART THE PLANT AFTER THE PROBLEMS HAVE BEEN FOUND AND | | CORRECTED. | | | | THE NRC RESIDENT INSPECTOR WAS INFORMED BY THE LICENSEE. | | | | ***UPDATE 01/04/96 0410 ET BY COLEMAN TAKEN BY MACKINNON*** | | | | LICENSEE HAD A GROUP 2 ISOLATION (DRYWELL DRAINS, VENTS, ETC.) CAUSED BY | | LOW REACTOR VESSEL WATER LEVEL (+3") FOLLOWING THE REACTOR SCRAM. A GROUP | | 2 ISOLATION IS AN EFS ACTUATION. THE RESIDENT INSPECTOR WAS NOTIFIED. R2DO | | (CHRIS CHRISTENSEN) NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29792 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: INDIAN POINT REGION: 1 |NOTIFICATION DATE: 01/04/96 | |UNIT: [2] [ ] [ ] STATE: NY |NOTIFICATION TIME: 04:33 [ET]| |RX TYPE: [2] W-4-LP,[3] W-4-LP |EVENT DATE: 01/04/96 | +------------------------------------------------+EVENT TIME: 04:30[EST]| |NRC NOTIFIED BY: LIJOI |LAST UPDATE DATE: 01/04/96 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |FRANK COSTELLO RDO | |NLTR LICENSEE 24 HR REPORT | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | FIRE PROTECTION SYSTEM BEING REMOVED FROM SERVICE. | | | | PER TECHNICAL SPECIFICATION 3.13.a.3, WHEN A FIRE PROTECTION SYSTEM IS | | TAKEN OUT OF SERVICE, THE LICENSEE MUST REPORT WITHIN 24 HOURS THAT IT WAS | | TAKEN OUT OF SERVICE. THE LICENSEE IS TAKING THE FIRE PROTECTION SYSTEM FOR | | THEIR INTAKE STRUCTURE OUT OF SERVICE FOR 8 TO 10 HOURS TO REPAIR A LEAKING | | DRAIN VALVE IN THE SYSTEM. THE LICENSEE HAS FIRE HOSES IN PLACE AND HAS A | | FIRE WATCH PATROLLING THE INTAKE STRUCTURE EVERY 4 HOURS. | | | | THE NRC RESIDENT INSPECTOR WILL BE INFORMED BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29793 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 01/04/96 | |UNIT: [1] [ ] [ ] STATE: CT |NOTIFICATION TIME: 09:12 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 01/04/96 | +------------------------------------------------+EVENT TIME: 09:00[EST]| |NRC NOTIFIED BY: TOM SILKO |LAST UPDATE DATE: 01/04/96 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |COSTELLO 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 N 0 REFUELING | 0 REFUELING | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | STANDBY GAS TREATMENT SYSTEM MAY NOT PERFORM ITS DESIGN FUNCTION DURING ALL | | ACCIDENT CONDITIONS. | | | | THE LICENSEE HAS DETERMINED THAT THE STANDBY GAS TREATMENT SYSTEM (SGTS) | | MAY NOT BE CAPABLE OF PERFORMING ITS INTENDED FUNCTION DURING ALL | | CONDITIONS. SPECIFICALLY, SOME REACTOR BUILDING VENTILATION TRANSFER FANS | | MAY NOT TRIP AS REQUIRED UNDER ALL CONDITIONS, CAUSING SGTS FLOW RATES IN | | EXCESS OF 1100 SCFM. WITH FLOW RATES IN EXCESS OF 1100 SCFM, GAS HOLDUP | | TIME IN THE CHARCOAL ADSORBER BEDS IS INSUFFICIENT TO PERMIT ACCEPTABLE | | RADIONUCLIDE DECAY. THE LICENSEE HAS ADMINISTRATIVELY DECLARED THE SGTS | | INOPERABLE, ALTHOUGH THE SYSTEM REMAINS AVAILABLE IF NEEDED. | | | | THE NRC RESIDENT INSPECTOR HAS BEEN INFORMED BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 29794 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: USAF RADIOISOTOPE COMMITTEE |NOTIFICATION DATE: 01/04/96 | | CITY: ST. JOSEPH REGION: 3 |NOTIFICATION TIME: 12:28 [ET]| | COUNTY: STATE: MO |EVENT DATE: 01/03/96 | |LICENSE#: AGREEMENT: N |EVENT TIME: 00:00[CST]| | DOCKET: |LAST UPDATE DATE: 01/04/96 | | +-----------------------------+ | |PERSON ORGANIZATION| | |JOHNSON RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: MONTGOMERY | | |HQ OPS OFFICER: BOB STRANSKY | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |BAB2 20.2201(a)(1)(ii) LOST/STOLEN LNM>10X | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | CAPT. MONTGOMERY OF THE US AIR FORCE CALLED TO REPORT A SOURCE LOST FROM | | THE AIR NATIONAL GUARD BASE IN ST. JOSEPH, MO. | | | | A 3M MODEL 703 STATIC METER CONTAINING A 200 mCi TRITIUM SOURCE WAS LOST | | FROM THE MISSOURI AIR NATIONAL GUARD BASE IN ST. JOSEPH, MO. THE METER WAS | | LAST SEEN ON 7/23/93. THE LICENSEE BELIEVES THAT THE METER WAS LOST DURING | | THE MISSISSIPPI RIVER FLOODS OF 1993. THE LOSS OF THE SOURCE WAS NOT | | RECOGNIZED UNTIL RECENTLY BECAUSE ALL RECORDS REGARDING THE SOURCE WERE | | ALSO LOST FROM THE BASE. | | | | THE AIR FORCE REQUESTED A STATUS REPORT REGARDING THE SOURCE FROM THE BASE | | LAST MONTH, AND WAS NOTIFIED YESTERDAY, 1/3/96, THAT THE SOURCE HAD BEEN | | LOST. THE LICENSEE PLANS TO CONTACT NRC REGION IV REGARDING THIS LOSS. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29795 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: OYSTER CREEK REGION: 1 |NOTIFICATION DATE: 01/04/96 | |UNIT: [1] [ ] [ ] STATE: NJ |NOTIFICATION TIME: 15:21 [ET]| |RX TYPE: [1] GE-2 |EVENT DATE: 01/04/96 | +------------------------------------------------+EVENT TIME: 13:30[EST]| |NRC NOTIFIED BY: REININGHAUS |LAST UPDATE DATE: 01/04/96 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |FRANK COSTELLO 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 98 POWER OPERATION | 98 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE NOTIFIED THE STATE DEPARTMENT OF ENVIRONMENTAL PROTECTION OF | | AN OIL SPILL. | | | | THIS OCCURRED WHEN APPROXIMATELY 1-2 GALS OF HYDRAULIC OIL SPILLED FROM A | | CRANE ONTO A CRUSHED GRAVEL SURFACE ON OWNER CONTROLLED PROPERTY. CLEAN UP | | IS IN PROGRESS. THE RI WILL BE NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |RESEARCH REACTOR | |EVENT NUMBER: 29796 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: U. S. GEOLOGICAL SURVEY |NOTIFICATION DATE: 01/04/96 | | RXTYPE: 1000 KW TRIGA MARK I |NOTIFICATION TIME: 18:47 [ET]| |COMMENTS: |EVENT DATE: 01/04/96 | | |EVENT TIME: 14:56[MST]| | |LAST UPDATE DATE: 01/04/96 | | CITY: DENVER REGION: 4 +-----------------------------+ | COUNTY: DENVER STATE: CO |PERSON ORGANIZATION| |LICENSE#: R-133 AGREEMENT: Y |WILLIAM JOHNSON RDO | | DOCKET: 05000274 | | +------------------------------------------------+ | |NRC NOTIFIED BY: HELFER | | |HQ OPS OFFICER CHAUNCEY GOULD | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE REPORTED THAT THEY HAD A SLIGHT PROBLEM WITH ONE OF THE RODS | | FULLY INSERTING DURING SHUTDOWN. | | | | WHILE SHUTTING THE REACTOR DOWN SHIM 2 DID NOT FULLY INSERT TO THE ZERO | | POSITION BUT STOPPED AT 917 OUT OF 1000 UNITS (0 UNITS IS FULLY INSERTED). | | THE OTHER THREE RODS, HOWEVER, DID DROP IN NORMALLY. THE LICENSEE WENT OUT | | TO INVESTIGATE AND FOUND THAT THE ROD WAS UP. THEY MOVED THE GUIDE TUBE | | THAT ALIGNS THE ROD AND IT FINALLY FELL INTO THE CORE. THIS OCCURRED AFTER | | AN APPROXIMATELY 3 MIN DELAY FROM THE INITIAL SCRAM. THE ROD THAT WAS STUCK | | WAS INSTALLED 12/12/95. THEY WILL CONTINUE THEIR INVESTIGATION FRIDAY. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29797 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: RIVER BEND REGION: 4 |NOTIFICATION DATE: 01/04/96 | |UNIT: [1] [ ] [ ] STATE: LA |NOTIFICATION TIME: 20:15 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 01/04/96 | +------------------------------------------------+EVENT TIME: 18:17[CST]| |NRC NOTIFIED BY: KELLEY |LAST UPDATE DATE: 01/04/96 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |WILLIAM JOHNSON 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 | N Y 20 POWER OPERATION | 0 HOT SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT HAD A MANUAL SCRAM FROM 20% POWER BECAUSE OF HIGH TURBINE BEARING | | VIBRATION. | | | | THE PLANT WAS BEING SHUT DOWN FOR A REFUELING OUTAGE WHEN THEY RECEIVED | | HIGH VIBRATIONS ON THE #5 TURBINE BEARING (VIBRATIONS REACHED 12MILS). THE | | LICENSEE DECIDED TO MANUALLY SCRAM THE REACTOR FROM 20% POWER. FOLLOWING | | THE SCRAM THE VESSEL WATER LEVEL WENT BELOW LEVEL 3 AND THE PLANT ENTERED | | EOP 1, BUT LEVEL WAS IMMEDIATELY RECOVERED AND THEY EXITED EOP 1. ALL RODS | | FULLY INSERTED INTO THE CORE AND NO SRV'S LIFTED. MAIN CONDENSER IS THE | | HEAT SINK. THEY WILL INVESTIGATE THE CAUSE OF THE BEARING VIBRATION. THE RI | | WAS INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29798 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BRUNSWICK REGION: 2 |NOTIFICATION DATE: 01/04/96 | |UNIT: [ ] [2] [ ] STATE: NC |NOTIFICATION TIME: 23:07 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 01/04/96 | +------------------------------------------------+EVENT TIME: 22:40[EST]| |NRC NOTIFIED BY: ROBERT |LAST UPDATE DATE: 01/04/96 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: UNUSUAL EVENT +-----------------------------+ |10 CFR SECTION: |CHRIS CHRISTENSEN RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |WILLIAM BATEMAN EO | | |KANUPP FEMA | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N Y 67 POWER OPERATION | 67 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT ENTERED AN UNUSUAL EVENT DUE TO THE LOSS OF ALL AUDIBLE | | ANNUNCIATORS ON THE MAIN CONTROL PANELS. | | | | THE PLANT HAS LOST ALL AUDIBLE ANNUNCIATION ON THE MAIN CONTROL PANELS, BUT | | VISIBLE ANNUNCIATION IS STILL OPERABLE. THERE ARE NO TRANSIENTS GOING ON AT | | THE PLANT AT THIS TIME AND THEY ARE INVESTIGATING THE CAUSE. NO LCOS HAVE | | BEEN ENTERED. THE RI, STATE AND LOCAL AGENCIES HAVE BEEN NOTIFIED ALONG | | WITH THE COAST GUARD. | | | | ***UPDATE 01/04/96 2351 ET BY ROBERT TAKEN BY MACKINNON*** | | | | LICENSEE FOUND THAT THE RELAY THAT HANDLES THE AUDIBLE ANNUNCIATION IS | | BROKEN AND HAS TO BE REPLACED. LICENSEE WILL REMAIN IN THE UNUSUAL EVENT | | CLASSIFICATION UNTIL THE RELAY HAS BEEN REPAIRED/REPLACED. | | | | ***UPDATE 01/05/96 0224 ET BY ROBERT TAKEN BY MACKINNON*** | | | | UNUSUAL EVENT TERMINATED AT 0224 ET WHEN AUDIBLE PORTION OF THE | | ANNUNCIATORS WAS RESTORED TO SERVICE. AUDIBLE ANNUNCIATOR RELAY (GENERAL | | ELECTRIC CR-120 RELAY) WAS REPLACED. ONE OF THE RELAY CONNECTORS HAD | | CRACKED DUE TO FATIGUE FAILURE. RELAY LOOKS LIKE IT WAS ORIGINALLY | | INSTALLED WHEN THE PLANT WAS BUILT. LICENSEE NOTIFIED STATE AND LOCAL | | OFFICIALS THAT THE UNUSUAL EVENT HAD BEEN TERMINATED. R2DO (CHRIS | | CHRISTENSEN) , NRR EO (BILL BATEMAN), & FEMA (STEINDURF) NOTIFIED. | | | | RESIDENT INSPECTOR WILL BE INFORMED BY THE LICENSEE. | +------------------------------------------------------------------------------+