U.S. Nuclear Regulatory Commission Operations Center Event Reports For 09/22/97 - 09/23/97 ** EVENT NUMBERS ** 32809 32972 32973 32974 32975 32976 32977 32978 32979 !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32809 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: ZION REGION: 3 |NOTIFICATION DATE: 08/23/97 | |UNIT: [1] [2] [ ] STATE: IL |NOTIFICATION TIME: 14:22 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 08/23/97 | +------------------------------------------------+EVENT TIME: 11:50[CDT]| |NRC NOTIFIED BY: D NOLDIN |LAST UPDATE DATE: 09/22/97 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MIKE JORDAN RDO | |AINB 50.72(b)(2)(iii)(B) POT RHR INOP | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | RESIDUAL HEAT REMOVAL (RHR) SYSTEM CONSIDERED INOPERABLE DUE TO THE "1A" | | SERVICE WATER PUMP BEING DECLARED INOPERABLE DURING A PLANNED SURVEILLANCE | | TEST. | | | | AT 1150 CDT, IT WAS DETERMINED THAT COOLING WATER FLOW TO THE "1A" SERVICE | | WATER PUMP UPPER MOTOR BEARING WAS INSUFFICIENT TO MAINTAIN PUMP | | OPERABILITY. (THE LICENSEE SAID THAT THEY HAVE SOME TYPE OF BLOCKAGE IN | | THE LINE AND THAT THEY ARE INVESTIGATING THE PROBLEM.) THE 111 DC BUS IS | | ALSO INOPERABLE FOR THE PERFORMANCE OF TECHNICAL STAFF SURVEILLANCE TEST | | 15.6.38(C) (STATION BATTERY SERVICE TEST). THE "1B" EMERGENCY DIESEL IS | | INOPERABLE BECAUSE OF OVERHAUL. | | | | THIS COMBINATION OF INOPERABLE EQUIPMENT RESULTS IN ALL THREE SERVICE WATER | | PUMPS BEING INOPERABLE WHICH IN TURN RENDERS THE ENTIRE SERVICE WATER | | SYSTEM INOPERABLE. (SERVICE WATER PUMPS "1B" AND "1C" ARE STILL | | "AVAILABLE" BECAUSE THEY ARE CURRENTLY BEING SUPPLIED BY OFFSITE POWER.) | | THIS CONDITION ALSO RENDERS THE COMPONENT COOLING WATER SYSTEM INOPERABLE | | AS SERVICE WATER IS ONE OF ITS SUPPORT SYSTEMS. UNIT 2 RHR IS ALSO | | CONSIDERED INOPERABLE AS COMPONENT COOLING IS ITS SUPPORT SYSTEM. ALL | | COMPONENTS EXCEPT THE "1B" EMERGENCY DIESEL GENERATOR AND THE "1A" SERVICE | | WATER PUMP ARE AVAILABLE. THE 111 DC BUS IS EXPECTED TO BE RETURNED TO AN | | OPERABLE STATUS BY 1400 CDT. THE TEST IS COMPLETED, AND THE LICENSEE IS | | CLOSING OUT THE PAPER WORK FOR THE SURVEILLANCE TEST. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED OF THIS EVENT BY THE LICENSEE. | | | | * * * UPDATE ON 08/23/97 AT 1545 EDT FROM NOLDIN TAKEN BY MACKINNON * * * | | | | AT 1430 CDT THE 111 DC BUS WAS RESTORED TO SERVICE WHICH MAKES THE "1A" | | EMERGENCY DIESEL GENERATOR OPERABLE AND THE "1B" SERVICE WATER PUMP | | OPERABLE. THEREFORE, RHR IS NOW FULLY OPERABLE. | | | | THE NRC RESIDENT INSPECTOR WILL BE NOTIFIED OF THIS UPDATE BY THE LICENSEE. | | THE R3DO (MIKE JORDAN) WAS NOTIFIED BY THE NRC OPERATIONS CENTER. | | | | * * * UPDATE AT 2015 EDT ON 9/22/97 FROM ROBERT GODLEY TO S. SANDIN * * * | | | | THE LICENSEE IS RETRACTING THIS EVENT NOTIFICATION BASED ON THE FOLLOWING | | INFORMATION RECEIVED FROM THE LICENSEE BY FACSIMILE: | | | | "ON 8/23/97, ZION STATION REPORTED A SERVICE WATER SYSTEM INOPERABILITY ON | | UNIT 1 THAT RESULTED IN AN INOPERABILITY OF THE RESIDUAL HEAT REMOVAL (RHR) | | SYSTEM ON UNIT 2. THE BASIS FOR THE REPORT WAS THAT THE SERVICE WATER | | SYSTEM MUST BE CAPABLE OF WITHSTANDING A SINGLE PASSIVE FAILURE. MEETING A | | SINGLE PASSIVE FAILURE CRITERION REQUIRES THAT THE TWO UNIT'S SERVICE WATER | | SYSTEMS BE CROSS TIED WITH PUMPS AVAILABLE FROM BOTH UNITS. SERVICE WATER | | IS A SUPPORTING SYSTEM FOR THE RHR SYSTEM. | | | | A RESEARCH OF THE LICENSING BASIS FOR SERVICE WATER HAS DETERMINED THAT THE | | SYSTEM IS NOT REQUIRED TO MEET THE SINGLE PASSIVE FAILURE CRITERION WITH | | THE UNITS SHUTDOWN. THE SINGLE FAILURE CRITERION SUPPORTS THE | | RECIRCULATION PHASE OF THE [LOSS OF COOLANT ACCIDENT] EVENT WHICH IS NOT A | | CREDIBLE ACCIDENT IN THIS CONDITION. | | | | THE UNIT 2 SERVICE WATER SYSTEM SUPPLYING COOLING WATER TO THE UNIT 2 RHR | | SYSTEM WAS UNAFFECTED BY THIS EVENT. THEREFORE, THIS EVENT IS NOT | | REPORTABLE. THE APPLICATION OF A SINGLE PASSIVE FAILURE TO THE SERVICE | | WATER SYSTEM FOR OTHER MODES OF OPERATION IS UNDER REVIEW." | | | | THE LICENSEE PLANS TO INFORM THE NRC RESIDENT INSPECTOR. THE NRC | | OPERATIONS CENTER NOTIFIED THE R3DO (HILAND). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32972 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DIABLO CANYON REGION: 4 |NOTIFICATION DATE: 09/22/97 | |UNIT: [1] [ ] [ ] STATE: CA |NOTIFICATION TIME: 04:16 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 09/22/97 | +------------------------------------------------+EVENT TIME: 00:17[PDT]| |NRC NOTIFIED BY: RICHARD WILLETT |LAST UPDATE DATE: 09/22/97 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: | | |DDDD 73.71 UNSPECIFIED PARAGRAPH | | | |BLAINE MURRAY, REG 4 IAT | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | ONE-HOUR SECURITY REPORT | | | | THE LICENSEE DISCOVERED THAT COMPENSATORY MEASURES FOR A DEGRADED VITAL | | AREA BARRIER HAD BEEN CHANGED AND WERE NO LONGER ADEQUATE. IMMEDIATE | | COMPENSATORY MEASURES WERE TAKEN UPON DISCOVERY. (REFER TO THE HOO LOG FOR | | ADDITIONAL DETAILS.) | | | | THE LICENSEE PLANS TO NOTIFY THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32973 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: NINE MILE POINT REGION: 1 |NOTIFICATION DATE: 09/22/97 | |UNIT: [1] [ ] [ ] STATE: NY |NOTIFICATION TIME: 06:00 [ET]| |RX TYPE: [1] GE-2,[2] GE-5 |EVENT DATE: 09/22/97 | +------------------------------------------------+EVENT TIME: 02:15[EDT]| |NRC NOTIFIED BY: D. BIERBRAUER |LAST UPDATE DATE: 09/22/97 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |NIEL DELLA GRECA RDO | |AIND 50.72(b)(2)(iii)(D) ACCIDENT MITIGATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | TUBE LEAKS WERE DISCOVERED ON EMERGENCY CONDENSERS 111 AND 112. | | | | FOLLOWING A CONFIRMED TUBE LEAK ON EMERGENCY CONDENSER 122, HYDROSTATIC | | TESTING OF EMERGENCY CONDENSERS 111 AND 112 WAS CONDUCTED TO CONFIRM THE | | INTEGRITY OF THE TUBING. DURING THE HYDROSTATIC TESTING, IT WAS DISCOVERED | | THAT BOTH EMERGENCY CONDENSERS 111 AND 112 HAD TUBE LEAKS. ENGINEERING IS | | CURRENTLY EVALUATING CORRECTIVE ACTIONS. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED OF THIS EVENT BY THE LICENSEE. | | | | (REFER TO EVENT NUMBER 32963.) | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32974 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PILGRIM REGION: 1 |NOTIFICATION DATE: 09/22/97 | |UNIT: [1] [ ] [ ] STATE: MA |NOTIFICATION TIME: 11:18 [ET]| |RX TYPE: [1] GE-3 |EVENT DATE: 09/22/97 | +------------------------------------------------+EVENT TIME: 09:00[EDT]| |NRC NOTIFIED BY: MIKE JACOBS |LAST UPDATE DATE: 09/22/97 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |TOM MOSLAK RDO | |APRE 50.72(b)(2)(vi) OFFSITE NOTIFICATION |BOB DENNIG, NRR EO | | |JOSEPH GIITTER, AEOD IRD | | |JOE GILLILAND, HQ PAO | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | NEWS RELEASE REGARDING AN INVESTIGATION OF THE ALLEGED OCCURRENCE OF | | FALSIFICATION OF RECORDS EIGHT YEARS AGO | | | | THE FOLLOWING TEXT IS A PORTION OF A NEWS RELEASE RECEIVED FROM THE | | LICENSEE: | | | | "THE MANAGEMENT OF THE PILGRIM NUCLEAR POWER STATION IS INVESTIGATING AN | | ALLEGATION THAT, EIGHT YEARS AGO, AN ENTRY INTO A CONTROL ROOM LOG WAS | | FALSIFIED. THE PLANT WAS SHUTDOWN AT THE TIME." | | | | "THE ALLEGATION INVOLVES FAILURE TO RECORD A 1989 ACTIVATION OF A SAFETY | | SYSTEM. EVERY ACTIVATION OF A SAFETY SYSTEM IS TO BE RECORDED IN A LOG | | REGARDLESS OF WHETHER THE PLANT IS OPERATING OR SHUTDOWN. ONCE THE | | ALLEGATION WAS RECEIVED, THE NUCLEAR REGULATORY COMMISSION STAFF WAS | | NOTIFIED, AND [LICENSEE] MANAGEMENT BEGAN ITS INVESTIGATION." | | | | "[LICENSEE] MANAGEMENT IS ATTAINING THE SERVICES OF AN OUTSIDE FIRM TO | | ASSIST WITH THE INVESTIGATION AND TO DETERMINE WHETHER FAILURE TO RECORD | | THE SYSTEM ACTIVATION AMOUNTS TO FALSIFICATION AS ALLEGED. ONCE THAT | | DETERMINATION IS MADE, MANAGEMENT WILL TAKE APPROPRIATE ACTION." | | | | "IN THE MEAN TIME, THE PLANT PERSONNEL WHO MAY HAVE BEEN PRESENT IN THE | | CONTROL ROOM AT THE TIME HAVE BEEN NOTIFIED OF THE INVESTIGATION. THOSE | | WHO HOLD LICENSES HAVE BEEN TEMPORARILY REASSIGNED TO NON-LICENSED | | ACTIVITIES PENDING THE OUTCOME OF THE INVESTIGATION." | | | | "[THE] BOSTON EDISON SENIOR VICE PRESIDENT SAID, 'WE TAKE SUCH CONCERNS | | SERIOUSLY, REGARDLESS OF WHETHER THE PLANT IS SHUTDOWN OR NOT. WE WILL | | MOVE QUICKLY TO DETERMINE THE VALIDITY OF SUCH CONCERNS AND TO TAKE | | CORRECTIVE ACTIONS WHEN AND WHERE WARRANTED.'" | | | | "[THE SENIOR VICE PRESIDENT ALSO SAID,] 'HOWEVER, TO ASSURE THE INTEGRITY | | OF THE INVESTIGATION AND THE INTERESTS OF BOTH THE EMPLOYEE WHO MADE THE | | ALLEGATION AND THOSE EMPLOYEES AFFECTED BY IT, WE DO NOT BELIEVE IT WOULD | | BE APPROPRIATE TO COMMENT FURTHER AT THIS TIME.'" | | | | IN ADDITION TO ISSUANCE OF THIS NEWS RELEASE, THE LICENSEE NOTIFIED THE NRC | | RESIDENT INSPECTOR AND APPROPRIATE STATE OFFICIALS. THE NRC R1DO STATED | | THAT HE WOULD NOTIFY THE NRC REGION 1 PUBLIC AFFAIRS OFFICE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32975 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: ZION REGION: 3 |NOTIFICATION DATE: 09/22/97 | |UNIT: [1] [2] [ ] STATE: IL |NOTIFICATION TIME: 16:08 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 09/22/97 | +------------------------------------------------+EVENT TIME: 14:25[CDT]| |NRC NOTIFIED BY: DAN KLOPSTEIN |LAST UPDATE DATE: 09/22/97 | |HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: | | |DDDD 73.71 UNSPECIFIED PARAGRAPH | | | |JAMES BELANGER/REG 3 IAT | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | A SAFEGUARDS SYSTEM DEGRADATION RELATED TO VITAL AREA ACCESS OCCURRED. | | IMMEDIATE COMPENSATORY MEASURES WERE TAKEN UPON DISCOVERY. (REFER TO THE | | HOO LOG FOR DETAILS.) THE LICENSEE PLANS TO INFORM THE NRC RESIDENT | | INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 32976 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PADUCAH GASEOUS DIFFUSION PLANT |NOTIFICATION DATE: 09/22/97 | | RXTYPE: URANIUM ENRICHMENT FACILITY |NOTIFICATION TIME: 18:32 [ET]| |COMMENTS: 2 DEMOCRACY CENTER |EVENT DATE: 09/22/97 | | 6903 ROCKLEDGE DRIVE |EVENT TIME: 17:18[CDT]| | BETHESDA, MD 20817 (301)564-3200 |LAST UPDATE DATE: 09/22/97 | | CITY: PADUCAH REGION: 3 +-----------------------------+ | COUNTY: McCRACKEN STATE: KY |PERSON ORGANIZATION| |LICENSE#: GDP-1 AGREEMENT: Y | | | DOCKET: 0707001 |MICHAEL WEBER/NMSS EO | +------------------------------------------------+JAMES BELANGER/REG 3 IAT | |NRC NOTIFIED BY: MIKE UNDERWOOD | | |HQ OPS OFFICER: STEVE SANDIN | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |PAAA 95.57(b) LOSS OF CLASSIFIED INFO | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | POTENTIAL COMPROMISE OF CONFIDENTIAL RESTRICTED DATA (CRD) | | | | THE REGULATEE IDENTIFIED AN ADDITIONAL MEMO AT LOCATION C-102, TRAILER 06, | | CONTAINING CRD WHICH WAS NOT PROPERLY MARKED OR STORED. COMPENSATORY | | MEASURES WERE TAKEN UPON DISCOVERY. THE REGULATEE INFORMED THE NRC | | RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32977 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CLINTON REGION: 3 |NOTIFICATION DATE: 09/22/97 | |UNIT: [1] [ ] [ ] STATE: IL |NOTIFICATION TIME: 19:00 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 09/22/97 | +------------------------------------------------+EVENT TIME: 00:00[CDT]| |NRC NOTIFIED BY: JIM FORMAN |LAST UPDATE DATE: 09/22/97 | |HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PATRICK HILAND RDO | |CCCC 21.21 UNSPECIFIED PARAGRAPH | | | |VERNE HODGE (FAX) NRR | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | 10 CFR PART 21 NOTIFICATION | | | | THE LICENSEE SUBMITTED COMBINED LICENSEE EVENT REPORT 97-022-00 AND 10 CFR | | PART 21 REPORT 21-97-036: DESIGN OF DIESEL GENERATOR VENTILATION | | SUBSYSTEMS OUTSIDE DESIGN BASIS AS A RESULT OF FAILURE TO INCLUDE MINIMUM | | AND MAXIMUM OUTSIDE AIR TEMPERATURE EXTREMES DUE TO DESIGN ERROR. | | | | THE FOLLOWING TEXT IS A PORTION OF A FACSIMILE RECEIVED FROM THE LICENSEE: | | | | "10 CFR [PART] 21 REPORT 21-97-036" | | | | "ON JULY 24, 1997, DURING INVESTIGATION OF CONDITION REPORT (CR) | | 1-97-06-302 WHICH IDENTIFIED AN ISSUE INVOLVING INCREASED DIESEL GENERATOR | | ROOM HEATING, VENTILATING, AND AIR CONDITIONING [(HVAC)] SYSTEM FAN | | HORSEPOWER CONSUMPTION AT LOW TEMPERATURE AND THE EFFECT ON DIESEL | | GENERATOR LOADING AND ELECTRICAL LOAD DISTRIBUTION SYSTEM, QUESTIONS WERE | | RAISED ABOUT THE DESIGN OF THE HVAC SYSTEM. THESE QUESTIONS RESULTED IN AN | | EVALUATION OF THE [DIESEL GENERATOR] VENTILATION SYSTEM FOR ADEQUACY DURING | | EXTREME HIGH AND LOW OUTSIDE AMBIENT AIR TEMPERATURES. DUE TO DESIGN | | LIMITATIONS ON THE DIESEL GENERATOR ROOM VENTILATION SUBSYSTEMS, IT WAS | | DETERMINED [THAT] ADEQUATE COOLING CAPACITY MAY NOT BE AVAILABLE TO SUPPORT | | OPERABILITY OF THE DIESEL GENERATORS IF OUTSIDE TEMPERATURES EXCEED LEVELS | | THAT ARE NOT IMPROBABLY HIGH FOR THE SUMMER SEASON. THIS ISSUE WAS | | DETERMINED TO BE POTENTIALLY REPORTABLE UNDER 10 CFR [PART] 21. ILLINOIS | | POWER (IP) HAS COMPLETED AN EVALUATION OF THIS ISSUE AND CONCLUDES THAT IT | | IS REPORTABLE UNDER THE PROVISIONS OF 10 CFR PART 21." | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32978 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PERRY REGION: 3 |NOTIFICATION DATE: 09/22/97 | |UNIT: [1] [ ] [ ] STATE: OH |NOTIFICATION TIME: 21:15 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 09/22/97 | +------------------------------------------------+EVENT TIME: 18:25[EDT]| |NRC NOTIFIED BY: BRIAN STETSON |LAST UPDATE DATE: 09/22/97 | |HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PATRICK HILAND 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 N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | EMERGENCY DIESEL GENERATOR (EDG) DIVISION 2 RECEIVED AN INVALID START | | SIGNAL DURING TESTING. | | | | THE FOLLOWING TEXT IS A PORTION OF A FACSIMILE RECEIVED FROM THE LICENSEE: | | | | "THE DIVISION 2 DIESEL GENERATOR WAS BEING RUN TO SUPPORT TESTING. DUE TO | | THE NATURE OF THE TESTS, A JUMPER HAD BEEN INSTALLED TO OVERRIDE THE | | NON-EMERGENCY TRIPS. | | | | THE DIESEL GENERATOR CONTROL SWITCH WAS TAKEN TO STOP TO SHUTDOWN THE | | DIESEL, AND DECREASING RPMs WERE OBSERVED. THE DIESEL GENERATOR CONTROL | | SWITCH WAS RETURNED TO AUTO, AND THE DIESEL RETURNED TO RATED SPEED. | | | | THE AIR JUMPER WHICH HAD BEEN INSTALLED TO SUPPORT TESTING ACTED AS A [LOSS | | OF COOLANT ACCIDENT] SIGNAL. THIS IS AN INVALID SIGNAL, BUT [IT] DID CAUSE | | THE DIESEL TO RETURN TO RATED SPEED." | | | | THE LICENSEE IS CONTINUING AN INVESTIGATION TO DETERMINE ROOT CAUSE AND | | NOTED THAT THIS INVALID START SIGNAL HAD OCCURRED IN THE PAST DURING | | TESTING. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32979 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PERRY REGION: 3 |NOTIFICATION DATE: 09/23/97 | |UNIT: [1] [ ] [ ] STATE: OH |NOTIFICATION TIME: 01:50 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 09/23/97 | +------------------------------------------------+EVENT TIME: 00:16[EDT]| |NRC NOTIFIED BY: BRIAN STETSON |LAST UPDATE DATE: 09/23/97 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PATRICK HILAND 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 +------------------------------------------------------------------------------+ | GENERATION OF A FULL SCRAM SIGNAL (WITH NO ROD MOTION) DUE TO AN OVERSIGHT | | DURING REFUEL INTERLOCK TESTING | | | | DURING THE PERFORMANCE OF REFUEL INTERLOCK TESTING, THE REACTOR MODE SWITCH | | WAS REQUIRED TO BE TAKEN FROM THE 'REFUEL' TO THE 'STARTUP' POSITION. WHEN | | THE REACTOR MODE SWITCH WAS TAKEN TO 'STARTUP,' A FULL SCRAM SIGNAL WAS | | GENERATED. | | | | THE SCRAM DISCHARGE VOLUME INSTRUMENT VOLUMES WERE AT 100% DUE TO A SYSTEM | | TAGOUT, AND THE INSTRUMENT VOLUME LEVEL HIGH SCRAM BYPASS KEYS WERE IN THE | | 'BYPASS' POSITION. HOWEVER, PLACING THE REACTOR MODE SWITCH IN THE | | 'STARTUP' POSITION UN-BYPASSED THE BYPASS KEYS, AND THIS GENERATED THE | | SCRAM SIGNAL. THE LICENSEE STATED THAT ALL SYSTEMS FUNCTIONED AS REQUIRED | | AND THAT THERE WAS NOTHING THAT WAS UNUSUAL OR NOT UNDERSTOOD. | | | | THERE WAS NO CONTROL ROD MOTION AS A RESULT OF THE SCRAM SIGNAL. ALL | | CONTROL RODS REMAINED FULLY INSERTED. PRIOR TO THE EVENT, THE CONTROL ROD | | DRIVES WERE ISOLATED, AND THE ACCUMULATORS WERE DEPRESSURIZED. THE SCRAM | | AIR HEADER WAS ALSO DEPRESSURIZED PRIOR TO THE EVENT. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+