U.S. Nuclear Regulatory Commission Operations Center Event Reports For 07/16/97 - 07/17/97 ** EVENT NUMBERS ** 32623 32635 32636 32637 32638 32639 32640 32641 32642 +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 32623 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: POROCEL CORPORATION |NOTIFICATION DATE: 07/14/97 | | CITY: LITTLE ROCK REGION: 4 |NOTIFICATION TIME: 16:17 [ET]| | COUNTY: PULASKI STATE: AR |EVENT DATE: 07/14/97 | |LICENSE#: AGREEMENT: Y |EVENT TIME: 00:00[CDT]| | DOCKET: |LAST UPDATE DATE: 07/16/97 | | +-----------------------------+ | |PERSON ORGANIZATION| | |ELMO COLLINS RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: D. SNELLINGS (AR PH SVC) | | |HQ OPS OFFICER: STEVE SANDIN | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NAGR AGREEMENT STATE | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | AGREEMENT STATE NOTIFICATION FROM ARKANSAS REGARDING MISSING CESIUM-137 | | SOURCE | | | | THE ARKANSAS DEPARTMENT OF HEALTH, DIVISION OF RADIATION CONTROL AND | | EMERGENCY MANAGEMENT, WAS NOTIFIED BY POROCEL CORPORATION, AN ORE | | PROCESSING COMPANY LOCATED IN THE LITTLE ROCK AREA, THAT A LEVEL GAUGE WAS | | MISSING. THE LEVEL GAUGE IS A MODEL 5192 MANUFACTURED BY TEXAS NUCLEAR | | GAUGE, AND IT CONTAINS APPROXIMATELY 20 mCi OF CESIUM-137. THE STATE PLANS | | TO DISPATCH INSPECTORS TO THE SITE TOMORROW TO INTERVIEW PLANT MANAGEMENT | | AND CONDUCT A SITE SURVEY. BASED ON THE SURVEY RESULTS, THE DEPARTMENT OF | | HEALTH MAY ISSUE A PRESS RELEASE. | | | | STATE OFFICIALS QUANTIFIED THE RISK OF MISHANDLING THIS SOURCE AS FOLLOWS: | | WITH THE SHUTTER OPEN, AN INDIVIDUAL STANDING IN FRONT OF THE SOURCE WOULD | | RECEIVE APPROXIMATELY 100 mR/HOUR. WITH THE SHUTTER CLOSED, AN INDIVIDUAL | | STANDING BEHIND THE SOURCE WOULD RECEIVE APPROXIMATELY 10 mR/HR. STATE | | RECORDS SHOW THAT THE SOURCE WAS LEAK TESTED DURING APRIL 1994 AND | | INSPECTED DURING NOVEMBER OR DECEMBER 1995. DURING SEPTEMBER 1996, THE | | RADIATION SAFETY OFFICER FOR POROCEL NOTED THAT THE SOURCE WAS NOT THERE. | | DURING MARCH 1997, PLANT MODIFICATIONS AND REPAIR WERE PERFORMED DUE TO | | DAMAGE SUSTAINED DURING A TORNADO. | | | | (REFER TO THE HOO LOG FOR CONTACT TELEPHONE NUMBERS AND A CONTACT ADDRESS.) | | | | * * * UPDATE 1500EDT 7/16/97 FROM D.SNELLINGS TO S.SANDIN * * * | | | | THE MISSING SOURCE HAS BEEN FOUND INSTALLED AND NOT IN USE IN AN OBSCURE | | PORTION OF THE PLANT. THE LICENSEE WILL ISSUE A PRESS RELEASE. THE | | ARKANSAS DEPARTMENT OF HEALTH HAS DETERMINED THAT AT NO TIME DID THIS | | SOURCE POSE A THREAT TO EITHER THE PUBLIC OR PLANT WORKERS. THE STATE OF | | ARKANSAS INFORMED REGION 4(HACKNEY). NOTIFIED R4DO(JONES). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32635 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PERRY REGION: 3 |NOTIFICATION DATE: 07/16/97 | |UNIT: [1] [ ] [ ] STATE: OH |NOTIFICATION TIME: 01:08 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 07/15/97 | +------------------------------------------------+EVENT TIME: 22:57[EDT]| |NRC NOTIFIED BY: FREDERICK SMITH |LAST UPDATE DATE: 07/16/97 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN MADERA 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 +------------------------------------------------------------------------------+ | ESF ACTUATION - HPCS SUCTION SWAP ANNUNCIATOR | | | | THE LICENSEE PLACED THE CONTAINMENT & DRYWELL VENTILATION SYSTEM IN SERVICE | | AS PART OF THE PROCEDURE FOR PUMPING DOWN THE REACTOR WATER CLEANUP | | BACKWASH RECEIVING TANK TO RADWASTE. THE VENTILATION SYSTEM DEVELOPED A | | DIFFERENTIAL PRESSURE BETWEEN THE DRYWELL AND CONTAINMENT, WITH THE DRYWELL | | HAVING THE HIGHER PRESSURE. THIS D/P CAUSED A RISE IN SUPPRESSION POOL | | LEVEL SUFFICIENT TO ACTUATE THE HIGH PRESSURE CORE SPRAY (HPCS) SUCTION | | SWAP ANNUNCIATOR. HOWEVER, SINCE HPCS SUCTION HAD BEEN ALIGNED TO THE | | SUPPRESSION POOL PRIOR TO THIS EVENT, NO VALVES REPOSITIONED BECAUSE OF THE | | HIGH SUPPRESSION POOL LEVEL. | | | | THE LICENSEE IS IN THE PROCESS OF LOWERING SUPPRESSION POOL LEVEL TO CLEAR | | THE ALARM. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32636 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: COOPER REGION: 4 |NOTIFICATION DATE: 07/16/97 | |UNIT: [1] [ ] [ ] STATE: NE |NOTIFICATION TIME: 12:47 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 07/13/97 | +------------------------------------------------+EVENT TIME: 17:18[CDT]| |NRC NOTIFIED BY: JORGENSEN |LAST UPDATE DATE: 07/16/97 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JONES 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 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | POTENTIAL FOR LOSS OF STANDBY GAS TREATMENT (SGT) SYSTEM | | | | THE FOLLOWING IS TEXT OF A FACSIMILE SUBMITTED BY THE LICENSEE: | | "AT 1718 ON 7/13/97, A FAILURE OF EPA [BREAKER] 1A2 CAUSED 'A' RPS TO | | DEENERGIZE, CAUSING A 1/2 GROUP 2 ISOLATION, WHICH ISOLATED THE STEAM | | SUPPLY TO AOG [AUGMENTED OFFGAS]. IN THE 2 HOURS THAT FOLLOWED THIS | | ISOLATION, APPROXIMATELY 5200 GALLONS OF WATER WERE PUMPED FROM THE 'Z' | | SUMP TO RADWASTE. | | | | THE POWER SUPPLY TO THE 'Z' SUMP PUMPS IS SUPPLIED BY MCC-N, WHICH IS LOAD | | SHED ON A LOSS OF OFFSITE POWER. IF A LOSS OF OFFSITE POWER WOULD HAVE | | OCCURRED AT THIS TIME, THE 5200 GALLONS OF WATER WOULD HAVE CAUSED THE | | LEVEL IN THE 'Z' SUMP TO RISE ABOVE THE SGT DISCHARGE LINES, RENDERING BOTH | | TRAINS OF SGT INOPERABLE. | | | | SINCE A LOSS OF OFFSITE POWER DID NOT OCCUR, THE 'Z' SUMP LEVEL WAS | | CONTROLLED BY THE SUMP PUMPS, AND SGT OPERATED AS DESIGNED. THIS EVENT WAS | | DETERMINED TO BE REPORTABLE AT 1054 ON 7/16/97 AS A CONDITION OUTSIDE | | DESIGN BASIS." | | | | THE NRC RESIDENT INSPECTOR HAS BEEN INFORMED BY THE LICENSEE. HOO NOTE: SEE | | EN 32618 FOR A RELATED NOTIFICATION. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32637 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 07/16/97 | |UNIT: [1] [ ] [ ] STATE: CT |NOTIFICATION TIME: 13:55 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 07/16/97 | +------------------------------------------------+EVENT TIME: 13:35[EDT]| |NRC NOTIFIED BY: KRISTIAN |LAST UPDATE DATE: 07/16/97 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |WILLIAMS 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 REFUELING | 0 REFUELING | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LPCI HEAT EXCHANGERS DECLARED INOPERABLE | | | | THE LICENSEE HAS DECLARED THE LOW PRESSURE COOLANT INJECTION (LPCI) HEAT | | EXCHANGERS INOPERABLE AFTER A VISUAL INSPECTION REVEALED A BUILDUP OF SCALE | | WITHIN THE HEAT EXCHANGERS. THE LICENSEE REPORTED THAT THE VISUAL | | INSPECTION OCCURRED AFTER SOME CLEANING HAD BEEN COMPLETED, AND THEREFORE, | | PAST OPERABILITY OF THE HEAT EXCHANGERS COULD NOT BE VERIFIED. THE LICENSEE | | PLANS TO COMPLETE GL 89-19 PERFORMANCE TESTING OF THE HEAT EXCHANGERS | | BEFORE UNIT STARTUP. THE NRC RESIDENT INSPECTOR WILL BE INFORMED BY THE | | LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32638 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: ZION REGION: 3 |NOTIFICATION DATE: 07/16/97 | |UNIT: [1] [2] [ ] STATE: IL |NOTIFICATION TIME: 14:11 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 07/16/97 | +------------------------------------------------+EVENT TIME: 10:30[CDT]| |NRC NOTIFIED BY: CURTIS BASNER |LAST UPDATE DATE: 07/16/97 | |HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN MADERA 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 REFUELING | 0 REFUELING | | 2 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LICENSEE IDENTIFIED THAT THE TEFLON ESCAPE HATCH SHAFT PACKING MATERIAL MAY | | NOT BE ENVIRONMENTALLY QUALIFIED FOLLOWING AN ACCIDENT. | | | | "SYSTEMS ENGINEERING IDENTIFIED AN ISSUE REGARDING TEFLON SEALS USED ON THE | | CONTAINMENT ESCAPE HATCH SHAFTS. A POTENTIAL EXISTS FOR BOTH HATCH DOORS | | TO HAVE TEFLON SEALS, WHICH ARE NOT QUALIFIED FOR THE EXPECTED MAXIMUM | | RADIATION FIELD DURING AN ACCIDENT." | | | | THIS COULD RESULT IN AN UNCONTROLLED RAD RELEASE FOLLOWING AN ACCIDENT. THE | | LICENSEE WAS ALERTED TO THIS CONDITION AFTER REVIEWING A POINT BEACH | | FINDING (LER) AND TALKING TO A FORMER EMPLOYEE NOW WORKING AT GINNA | | STATION. THE VENDOR WHO SUPPLIED THE TEFLON PACKING MATERIAL WAS NOT | | IDENTIFIED. THE LICENSEE WILL INSPECT AND EVALUATE THIS CONDITION AND HAS | | IDENTIFIED THIS AS A STARTUP ISSUE. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32639 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: HATCH REGION: 2 |NOTIFICATION DATE: 07/16/97 | |UNIT: [1] [ ] [ ] STATE: GA |NOTIFICATION TIME: 14:40 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 07/16/97 | +------------------------------------------------+EVENT TIME: 14:00[EDT]| |NRC NOTIFIED BY: RONNIE MUSGROVE |LAST UPDATE DATE: 07/16/97 | |HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOHN POTTER RDO | |AINB 50.72(b)(2)(iii)(B) POT RHR INOP | | |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 +------------------------------------------------------------------------------+ | LICENSEE DECLARED A RESIDUAL HEAT REMOVAL SERVICE WATER (RHR SW) PUMP | | INOPERABLE DUE TO A CABLE SEPARATION CONCERN WHICH COULD ADVERSELY AFFECT | | LONG TERM COOLING OF CONTAINMENT FOLLOWING A LOSS OF COOLANT ACCIDENT AND | | LOSS OF STATION POWER (LOCA/LOSP). | | | | "IT WAS DISCOVERED THAT ONE OF THE TWO DIVISION II RHR SW PUMPS WAS | | INOPERABLE DUE TO NOT MEETING THE CABLE SEPARATION CRITERIA IN CIRCUITS | | ASSOCIATED WITH '1A' EDG. A SINGLE FAILURE COULD CAUSE THE LOSS OF THE | | '1A' EDG AND THE ABILITY TO CROSS-TIE DIVISION II RHR SW PUMPS TO DIVISION | | I. THIS WOULD NOT ALLOW THE USE OF BOTH DIVISION II RHR SW PUMPS TO SUPPORT | | THE LONG TERM CONTAINMENT COOLING REQUIREMENTS AS A RESULT OF A LOCA/LOSP | | EVENT. THE '1B' RHR SW PUMP HAS BEEN DECLARED INOPERABLE." | | | | THE LICENSEE IS PERFORMING A TEMPORARY MODIFICATION TO REMOVE POWER FROM | | THE CABLE RACEWAY ASSOCIATED WITH THE '1B' RHR SW PUMP. THERE ARE NO VITAL | | CIRCUITS WHICH WILL BE AFFECTED BY THIS TEMPORARY MODIFICATION. THIS | | MODIFICATION WILL SATISFY THE BARRIER SEPARATION CRITERIA AND ALLOW THE | | '1B' RHR SW TO BE RESTORED TO OPERABLE STATUS. LONG TERM CORRECTIVE ACTION | | WILL BE TO REROUTE THE AFFECTED ELECTRICAL CABLING. UNIT 1 ENTERED TECH | | SPEC LCO A/S 3.7.1 ON 7/15/97 WHICH REQUIRES THAT THE INOPERABLE RHR SW | | PUMP BE RESTORED WITHIN 30 DAYS OR THE UNIT BE IN MODE 3 IN 12 HOURS | | FOLLOWED BY MODE 4 WITHIN THE SUBSEQUENT 36 HOURS. THIS CONDITION WAS | | DISCOVERED DURING A WALKDOWN TO EVALUATE CABLE SEPARATION. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32640 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 07/16/97 | |UNIT: [ ] [ ] [3] STATE: CT |NOTIFICATION TIME: 15:02 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 07/16/97 | +------------------------------------------------+EVENT TIME: 14:45[EDT]| |NRC NOTIFIED BY: JOE RUTTAR |LAST UPDATE DATE: 07/16/97 | |HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |HERB WILLIAMS RDO | |APRE 50.72(b)(2)(vi) OFFSITE NOTIFICATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | | | | | 3 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LICENSEE NOTIFIED STATE OF CONNECTICUT REGARDING RELEASE OF SILT AND | | SUSPENDED SOLIDS TO NIANTIC BAY. | | | | "ON JULY 11, 1997, IT WAS DETERMINED THAT SILT AND SUSPENDED SOLIDS FROM | | THE UNIT 3 INTAKE STRUCTURE DE-MUCKING PROJECT HAD ENTERED THE YARD DRAIN | | SYSTEM AND ENTERED NIANTIC BAY. THIS EVENT WAS REPORTED TO THE CONNECTICUT | | WATER MANAGEMENT BUREAU AS A PROCESS WHICH WAS NOT DESCRIBED IN THE NPDES | | PERMIT ON JULY 15, 1997. THIS EVENT IS BEING REPORTED PER | | 10CFR50.72(b)(2)(vi) AS AN EVENT RELATED TO PROTECTION OF THE ENVIRONMENT | | FOR WHICH NOTIFICATION TO OTHER GOVERNMENT AGENCIES HAS BEEN MADE." | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32641 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: WOLF CREEK REGION: 4 |NOTIFICATION DATE: 07/16/97 | |UNIT: [1] [ ] [ ] STATE: KS |NOTIFICATION TIME: 16:34 [ET]| |RX TYPE: [1] W-4-LP |EVENT DATE: 07/16/97 | +------------------------------------------------+EVENT TIME: 15:04[CDT]| |NRC NOTIFIED BY: JOE LARUE |LAST UPDATE DATE: 07/16/97 | |HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |BILL JONES RDO | |AESS 50.72(b)(1)(v) EMERGENCY SIREN INOP | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | LICENSEE IDENTIFIED DURING SUBSEQUENT INVESTIGATION THAT SIX OF ELEVEN | | EMERGENCY SIRENS WERE INOPERABLE FOR > 4 HOURS ON 6/6/97 DUE TO ADVERSE | | WEATHER. | | | | "ON 6/6/97 AT 0103CDT, A STORM MOVED THROUGH THE AREA. INITIAL REPORTS | | WERE THAT WE LOST 2 OF 11 EMERGENCY SIRENS (JR-3 AND NS-1). THIS WAS | | DEEMED TO BE NON-REPORTABLE. AT 1504CDT TODAY, 7/16/97, A SUBSEQUENT | | INVESTIGATION REVEALED THAT 6 OF 11 SIRENS WERE WITHOUT POWER FOR > 4 | | HOURS. AT 0555CDT ON 6/16/97, ALL EMERGENCY SIRENS WERE RESTORED TO | | OPERABLE STATUS." | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32642 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SUSQUEHANNA REGION: 1 |NOTIFICATION DATE: 07/16/97 | |UNIT: [1] [ ] [ ] STATE: PA |NOTIFICATION TIME: 17:00 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 07/16/97 | +------------------------------------------------+EVENT TIME: 16:00[EDT]| |NRC NOTIFIED BY: DON ROLAND |LAST UPDATE DATE: 07/16/97 | |HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |HERB WILLIAMS 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 | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LICENSEE IS MAKING A COURTESY NOTIFICATION THAT THE UNIT 1 EMERGENCY | | RESPONSE DISPLAY SYSTEM (ERDS) COMPUTER WAS OUT OF SERVICE FOR | | APPROXIMATELY 2 HOURS BETWEEN 1400 AND 1600EDT. THE LICENSEE INFORMED THE | | NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+