U.S. Nuclear Regulatory Commission Operations Center Event Reports For 04/25/95 - 04/26/95 ** EVENT NUMBERS ** 28722 28723 28724 28725 28725 28726 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28722 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: COOK REGION: 3 |NOTIFICATION DATE: 04/25/95 | |UNIT: [1] [2] [ ] STATE: MI |NOTIFICATION TIME: 13:11 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 04/24/95 | +------------------------------------------------+EVENT TIME: 23:00[EDT]| |NRC NOTIFIED BY: GANE |LAST UPDATE DATE: 04/25/95 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |ROGER LANKSBURY RDO | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 Y 55 POWER OPERATION | 55 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | A LICENSEE NEWS RELEASE HAS RESULTED IN TELEPHONE INQUIRIES FROM CONCERNED | | LOCAL CITIZENS AND LOCAL LAW ENFORCEMENT AGENCIES. | | | | THE NEWS STORY REPORTS PROPOSED DRASTIC REDUCTIONS IN THE NUMBER OF ARMED | | SECURITY OFFICERS DUE TO A "NEW NRC RULE". THE COVERAGE POSTULATES THAT | | THE PLANT MAY BE UNDERPROTECTED AS A RESULT OF DISARMING A SUPPOSEDLY | | SUBSTANTIAL NUMBER OF SECURITY OFFICERS. | | | | THE COOK PLANT IS IN COMPLIANCE WITH 10CFR73.55 AND INTENDS TO REMAIN IN | | COMPLIANCE WITH THIS AND ALL OTHER REGULATIONS GOVERNING PHYSICAL SECURITY | | OF THE PLANT. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28723 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: GRAND GULF REGION: 2 |NOTIFICATION DATE: 04/25/95 | |UNIT: [1] [ ] [ ] STATE: MS |NOTIFICATION TIME: 13:19 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 04/24/95 | +------------------------------------------------+EVENT TIME: 22:45[CDT]| |NRC NOTIFIED BY: REED |LAST UPDATE DATE: 04/25/95 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PAUL FREDRICKSON RDO | |HFIT 26.73 FITNESS FOR DUTY | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 REFUELING | 0 REFUELING | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE DISCOVERED 5 EMPTY BEER BOTTLES IN THE TRASH CAN IN THE PA OF | | THE UNIT 2 AUX BUILDING BATHROOM. THE AREA THAT THE BOTTLES WERE FOUND IN | | IS CLOSE TO THE BREAK AREA FOR THE CONTRACTORS THAT ARE INVOLVED IN THE | | REFUELING. THEY HAVE NOT DETERMINED WHO PUT THE BOTTLES IN THE TRASH CAN. | | THEY ARE CONTINUING TO X-RAY EVERYTHING ENTERING THE PLANT. THE LICENSEE | | INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28724 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: FERMI REGION: 3 |NOTIFICATION DATE: 04/25/95 | |UNIT: [2] [ ] [ ] STATE: MI |NOTIFICATION TIME: 14:36 [ET]| |RX TYPE: [2] GE-4 |EVENT DATE: 04/25/95 | +------------------------------------------------+EVENT TIME: 11:59[EDT]| |NRC NOTIFIED BY: REITH |LAST UPDATE DATE: 04/25/95 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |ROGER LANKSBURY 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 2 | A/R Y 87 POWER OPERATION | 0 HOT SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT HAD A REACTOR SCRAM FROM 87% POWER DUE TO AN APRM UPSCALE SIGNAL. | | | | THIS OCCURRED AFTER THE TURBINE BYPASS VALVES FULLY OPENED AND THEN CLOSED, | | RESULTING IN A PRESSURE TRANSIENT WHICH CAUSED A POWER EXCURSION WITH | | APRM's PEAKING TO 120%. THEY ARE INVESTIGATING THE CAUSE OF THE PROBLEM | | WITH THE PRESSURE REG SYSTEM. FOLLOWING THE SCRAM, REACTOR WATER LEVEL | | DECREASED TO 120", RESULTING IN NSSSS GROUP 4 (RHR SHUTDOWN COOLING), GROUP | | 13 (DRYWELL SUMPS) AND GROUP 15 (TIPS) ISOLATION SIGNALS. THE LEVEL WAS | | RESTORED TO NORMAL(197") WITHIN MINUTES. ALL RODS FULLY INSERTED, NO ECCS | | INJECTION OCCURRED AND NO RELIEF VALVES LIFTED. THE CONDENSER IS BEING USED | | AS THE HEAT SINK. THE RI WAS INFORMED. THE STATE AND LOCAL AGENCIES WILL BE | | NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28725 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: GINNA REGION: 1 |NOTIFICATION DATE: 04/25/95 | |UNIT: [1] [ ] [ ] STATE: NY |NOTIFICATION TIME: 16:23 [ET]| |RX TYPE: [1] W-2-LP |EVENT DATE: 04/24/95 | +------------------------------------------------+EVENT TIME: 11:15[EDT]| |NRC NOTIFIED BY: RINGL |LAST UPDATE DATE: 04/25/95 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JACK DURR RDO | |KSNM 70.52(a) LOSS OF SNM/CRIT | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | - INCORE DRIVE UNIT DETECTOR DISCOVERED MISSING DURING REFUELING OUTAGE - | | | | WHILE PERFORMING MAINTENANCE ON THE 'A' INCORE DRIVE UNIT, LICENSEE | | DISCOVERED THAT THE DETECTOR FOR THE 'A' DRIVE WAS MISSING. THE DETECTOR | | CONTAINS 0.0041 GRAMS OF APPROXIMATELY 90% ENRICHED U-235. IT WAS LAST | | IRRADIATED IN AUGUST, 1994. LICENSEE IS CONTINUING THEIR EXTENSIVE SEARCH | | FOR THE MISSING DETECTOR. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28725 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: GINNA REGION: 1 |NOTIFICATION DATE: 04/25/95 | |UNIT: [1] [ ] [ ] STATE: NY |NOTIFICATION TIME: 16:23 [ET]| |RX TYPE: [1] W-2-LP |EVENT DATE: 04/24/95 | +------------------------------------------------+EVENT TIME: 11:15[EDT]| |NRC NOTIFIED BY: RINGL |LAST UPDATE DATE: 04/25/95 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JACK DURR RDO | |KSNM 70.52(a) LOSS OF SNM/CRIT | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | - INCORE DRIVE UNIT DETECTOR DISCOVERED MISSING DURING REFUELING OUTAGE - | | | | WHILE PERFORMING MAINTENANCE ON THE 'A' INCORE DRIVE UNIT, LICENSEE | | DISCOVERED THAT THE DETECTOR FOR THE 'A' DRIVE WAS MISSING. THE DETECTOR | | CONTAINS 0.0041 GRAMS OF APPROXIMATELY 90% ENRICHED U-235. IT WAS LAST | | IRRADIATED IN AUGUST, 1994. LICENSEE IS CONTINUING THEIR EXTENSIVE SEARCH | | FOR THE MISSING DETECTOR. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28726 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: FITZPATRICK REGION: 1 |NOTIFICATION DATE: 04/25/95 | |UNIT: [1] [ ] [ ] STATE: NY |NOTIFICATION TIME: 22:42 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 04/25/95 | +------------------------------------------------+EVENT TIME: 21:57[EDT]| |NRC NOTIFIED BY: PLUMPTON |LAST UPDATE DATE: 04/25/95 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JACK DURR RDO | |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 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - REACTOR BUILDING VENTILATION SYSTEM ISOLATED DUE TO A BLOWN FUSE - | | | | DURING REMOVAL OF THE 'A' REACTOR BUILDING VENTILATION MONITOR FROM SERVICE | | FOR MAINTENANCE, AN INSTALLED ELECTRICAL JUMPER BECAME DISCONNECTED AND | | CAUSED AN ELECTRICAL FUSE TO BLOW. THIS CAUSED THE REACTOR BUILDING | | VENTILATION SYSTEM AND THE DRYWELL SAMPLE LINES TO ISOLATE. | | | | LICENSEE REPLACED THE FUSE AND RESET ALL SYSTEMS TO NORMAL WITHIN | | 10 MINUTES. | | | | THE NRC RESIDENT INSPECTOR WAS NOT AVAILABLE TO BE NOTIFIED BY THE | | LICENSEE. | +------------------------------------------------------------------------------+