U.S. Nuclear Regulatory Commission Operations Center Event Reports For 03/25/96 - 03/26/96 ** EVENT NUMBERS ** 30164 30165 30166 30167 30168 30169 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30164 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: GRAND GULF REGION: 4 |NOTIFICATION DATE: 03/25/96 | |UNIT: [1] [ ] [ ] STATE: MS |NOTIFICATION TIME: 04:54 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 03/25/96 | +------------------------------------------------+EVENT TIME: 02:23[CST]| |NRC NOTIFIED BY: BREWER |LAST UPDATE DATE: 03/25/96 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |BLAINE MURRAY 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 | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | NOTIFIED BY THE TENSAS PARISH (LOUISIANA) EMERGENCY PREPAREDNESS THAT ONE | | EMERGENCY SIREN LOCATED IN THE PARISH INADVERTENTLY ACTUATED DUE TO A | | THUNDERSTORM. | | | | RESIDENT INSPECTOR WILL BE INFORMED BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 30165 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: NUCLEAR FUEL SERVICES INC. |NOTIFICATION DATE: 03/25/96 | | RXTYPE: URANIUM FUEL FABRICATION |NOTIFICATION TIME: 10:54 [ET]| |COMMENTS: HEU CONVERSION & SCRAP RECOVERY |EVENT DATE: 03/22/96 | | NAVAL REACTOR FUEL CYCLE |EVENT TIME: 21:00[EST]| | LEU SCRAP RECOVERY |LAST UPDATE DATE: 03/25/96 | | CITY: ERWIN REGION: 2 +-----------------------------+ | COUNTY: UNICOI STATE: TN |PERSON ORGANIZATION| |LICENSE#: SNM-124 AGREEMENT: Y |MILT SHYMLOCK RDO | | DOCKET: 07000143 |DON COOL, NMSS EO | +------------------------------------------------+FRED ROSS NMSS | |NRC NOTIFIED BY: BRIAN CLOUSE | | |HQ OPS OFFICER: JOHN MacKINNON | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |KBBE 70.50(b)(2)(i) ACCID MIT EQUIP FAILS | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | WHILE TROUBLESHOOTING A TROUBLE LIGHT ON THEIR CRITICALITY ALARM SYSTEM, AN | | ALARM CONDITION LOCKED IN BUT THE ALARM DID NOT SOUND THROUGH THE PLANT | | SPEAKERS. | | | | A SYSTEM TROUBLE LIGHT OCCURRED IN THE CRITICALITY ALARM PANEL ROOM. WHILE | | INVESTIGATING THE TROUBLE LIGHT, AN ELECTRONICS TECHNICIAN ATTEMPTED TO | | RESET THE TROUBLE LIGHT BY POWERING THE SYSTEM DOWN AND THEN BACK UP AGAIN. | | WHEN THE SYSTEM POWERED UP, IT LOCKED INTO AN ALARM CONDITION BUT THE ALARM | | DID NOT SOUND THROUGH THE PLANT SPEAKERS. THE TECHNICIAN PULLED THE FUSES | | ON THE ALARM SYSTEM TO ENSURE THAT THE ALARM TO EVACUATE THE PLANT DID NOT | | SOUND. THE TECHNICIAN REMOVED A CIRCUIT BOARD FROM THE REMOTE STATION AT | | THE SECONDARY ALARM STATION (SAS). WHEN HE INSERTED A REPLACEMENT CIRCUIT | | BOARD, THE ALARM RESET FOR APPROXIMATELY ONE HOUR AND THEN THE SYSTEM | | LOCKED BACK INTO AN ALARM CONDITION AT APPROXIMATELY 2230 EST. THE LICENSEE | | IS TROUBLESHOOTING THE PROBLEM. NO SPECIAL NUCLEAR MATERIAL HAS BEEN MOVED | | SINCE DAY SHIFT ON 03/22/96. THE LICENSEE NOTIFIED REGION 2 (GLOERSEN) OF | | THIS EVENT. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30166 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: GINNA REGION: 1 |NOTIFICATION DATE: 03/25/96 | |UNIT: [1] [ ] [ ] STATE: NY |NOTIFICATION TIME: 14:57 [ET]| |RX TYPE: [1] W-2-LP |EVENT DATE: 03/25/96 | +------------------------------------------------+EVENT TIME: 14:15[EST]| |NRC NOTIFIED BY: MOSTERT |LAST UPDATE DATE: 03/25/96 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |ROGGE RDO | |DDDD 73.71 UNSPECIFIED PARAGRAPH | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 95 POWER OPERATION | 95 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | SECURITY EVENT | | | | UNESCORTED ACCESS GRANTED BASED UPON FALSIFIED INFORMATION PROVIDED BY | | INDIVIDUAL. IMMEDIATE COMPENSATORY ACTIONS TAKEN UPON DISCOVERY. LICENSEE | | NOTIFIED NRC RESIDENT INSPECTOR. SEE HOO LOG FOR DETAILS. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30167 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 03/25/96 | |UNIT: [1] [ ] [ ] STATE: CT |NOTIFICATION TIME: 15:35 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 03/25/96 | +------------------------------------------------+EVENT TIME: 15:27[EST]| |NRC NOTIFIED BY: DONOVAN |LAST UPDATE DATE: 03/25/96 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |ROGGE RDO | |AINA 50.72(b)(2)(iii)(A) POT UNABLE TO SAFE SD | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 REFUELING | 0 REFUELING | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | TEMPORARY MODIFICATION TO REACTOR PROTECTION SYSTEM (RPS) LOGIC NOT REMOVED | | AS REQUIRED. | | | | DURING AN ONGOING DESIGN BASIS REVIEW, THE LICENSEE DISCOVERED THAT A | | TEMPORARY MODIFICATION TO THE RPS LOGIC, WHICH ADDED AN AUTOMATIC SCRAM | | SIGNAL ON LOW SCRAM AIR HEADER PRESSURE, WAS NOT REMOVED WHEN UPGRADES TO | | THE SCRAM DISCHARGE VOLUME WERE COMPLETED. THE TEMPORARY MODIFICATION WAS | | INSTALLED IN 2/81, AND THE SDV UPGRADES WERE COMPLETED IN 11/82. | | | | THE NRC RESIDENT INSPECTOR HAS BEEN INFORMED OF THIS EVENT BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30168 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PRAIRIE ISLAND REGION: 3 |NOTIFICATION DATE: 03/25/96 | |UNIT: [1] [2] [ ] STATE: MN |NOTIFICATION TIME: 17:57 [ET]| |RX TYPE: [1] W-2-LP,[2] W-2-LP |EVENT DATE: 03/25/96 | +------------------------------------------------+EVENT TIME: 05:00[CST]| |NRC NOTIFIED BY: ERICSON |LAST UPDATE DATE: 03/25/96 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MILLER 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 | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | SECURITY EVENT | | | | SAFEGUARDS SYSTEM DEGRADATION RELATED TO DETECTION/ MONITORING OF PROTECTED | | AREA BOUNDARY. COMPENSATORY MEASURES TEMPORARILY SUSPENDED DUE TO SEVERE | | WEATHER. NO HOSTILE ACTION OR INTENT INVOLVED. THE LICENSEE IDENTIFIED | | THIS AS REPORTABLE AT 1600. THE NRC RESIDENT INSPECTOR WILL BE INFORMED BY | | THE LICENSEE. SEE HOO LOG FOR DETAILS. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 30169 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: COOPER REGION: 4 |NOTIFICATION DATE: 03/25/96 | |UNIT: [1] [ ] [ ] STATE: NE |NOTIFICATION TIME: 22:01 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 03/25/96 | +------------------------------------------------+EVENT TIME: 20:20[CST]| |NRC NOTIFIED BY: MEYERS |LAST UPDATE DATE: 03/25/96 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: UNUSUAL EVENT +-----------------------------+ |10 CFR SECTION: |MURRRAY RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |VARGA EO | |AFIR 50.72(b)(1)(vi) FIRE (ONSITE) |SULLIVAN FEMA | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | UNUSUAL EVENT DECLARED DUE TO FIRE IN AUGMENTED OFFGAS SYSTEM | | | | AT 2010 CST, A STATION OPERATOR DETECTED A FIRE ON TOP OF A CHARCOAL | | ADSORBER BED IN THE AUGMENTED OFFGAS SYSTEM ROOM. THE SITE FIRE BRIGADE | | WAS DISPATCHED TO THE SCENE, AND EXTINGUISHED THE FIRE AT 2032 CST. AN | | UNUSUAL EVENT WAS DECLARED AT 2020 CST, IN ACCORDANCE WITH THE SITE | | EMERGENCY PLAN. THE UNUSUAL EVENT WAS TERMINATED AT 2041 CST. A FIRE | | WATCH HAS BEEN POSTED IN THE AREA TO MONITOR FOR REFLASH. | | | | THE LICENSEE STATED THAT THE FIRE WAS CAUSED BY THE IGNITION OF INSULATION | | BY A TEMPORARY LIGHTING FIXTURE INSTALLED FOR MAINTENANCE ACTIVITIES. THE | | LICENSEE IS PREPARING TO INSPECT THE CHARCOAL BED TO DETERMINE THE EXTENT | | OF THE DAMAGE. THE NRC RESIDENT INSPECTOR HAS BEEN INFORMED BY THE | | LICENSEE. | +------------------------------------------------------------------------------+