U.S. Nuclear Regulatory Commission Operations Center Event Reports For 09/04/97 - 09/05/97 ** EVENT NUMBERS ** 32738 32776 32856 32864 32868 32869 32870 32871 32872 32873 !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32738 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SUSQUEHANNA REGION: 1 |NOTIFICATION DATE: 08/07/97 | |UNIT: [ ] [2] [ ] STATE: PA |NOTIFICATION TIME: 21:44 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 08/07/97 | +------------------------------------------------+EVENT TIME: 19:15[EDT]| |NRC NOTIFIED BY: ROLAND |LAST UPDATE DATE: 09/04/97 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |RICHARD CONTE RDO | |AINA 50.72(b)(2)(iii)(A) POT UNABLE TO SAFE SD | | |NLCO TECH SPEC LCO A/S | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | UNIT 2 DECLARED HIGH PRESSURE COOLANT INJECTION (HPCI) SYSTEM INOPERABLE. | | | | THIS WAS DETERMINED WHILE PERFORMING A WEEKLY TEST OF THE HPCI AUXILIARY | | OIL SYSTEM WHEN AN UNUSUAL VALVE RESPONSE WAS NOTED. APPROXIMATELY 9 | | SECONDS INTO THE TEST, THE TURBINE STOP VALVE CLOSED UNEXPECTEDLY. THE | | SYSTEM RESET ITSELF WITHIN 5 SECONDS AND RESPONDED CORRECTLY THEREAFTER. | | THIS CONDITION HAS BEEN EXPERIENCED IN THE PAST WITH THE UNIT 2 HPCI SYSTEM | | AND WAS THOUGHT TO BE CORRECTED BY PREVIOUS MAINTENANCE ACTIVITIES AND | | SUCCESSFUL TESTS. THE RESPONSE WAS PREVIOUSLY EVALUATED AS NOT IMPACTING | | SYSTEM OPERABILITY SINCE THE STOP AND CONTROL VALVE REACHED THE FULL OPEN | | POSITION IN LESS THAN THE REQUIRED 30 SECONDS. | | | | ADDITIONAL INFORMATION, NOT CONSIDERED IN PREVIOUS EVALUATIONS, DETERMINED | | THAT THE HPCI SYSTEM MAY NOT BE ABLE TO ACHIEVE FULL FLOW INJECTION WITHIN | | 30 SECONDS OF AN ACTUAL INITIATION SIGNAL. LOGIC INTERLOCKS ASSOCIATED | | WITH THE HPCI INJECTION VALVE AND THE TURBINE STOP VALVE REVEALED THAT | | THERE IS THE POTENTIAL FOR THE INJECTION VALVE TO RECEIVE A CLOSE SIGNAL | | AFTER IT HAS STROKED OPEN ON A SYSTEM INITIATION. ONCE THE INJECTION VALVE | | STROKED CLOSED, THE LOGIC WOULD REOPEN IT. HOWEVER, THIS ADDITIONAL STROKE | | WOULD DELAY THE RESPONSE TIME OF THE HPCI SYSTEM SO THAT IT WOULD NOT | | ACHIEVE FULL INJECTION FLOW UNTIL APPROXIMATELY 36 SECONDS AFTER | | INITIATION. | | | | WITH THE HPCI SYSTEM INOPERABLE, UNIT 2 ENTERED AN LCO ACTION STATEMENT TO | | INSURE OPERABILITY OF THE REMAINING ECCS SYSTEMS. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | * * * UPDATE AT 1458 ON 9/4/97 FROM FERNSLER TAKEN BY STRANSKY * * * | | | | THE LICENSEE IS RETRACTING THIS NOTIFICATION. AFTER PERFORMING AN | | ENGINEERING EVALUATION OF THE SYSTEM LOGIC, ACTUAL TEST DATA, AND | | WORST-CASE SYSTEM CONDITIONS, THE LICENSEE HAS DETERMINED THAT THE HPCI | | SYSTEM WOULD HAVE BEEN ABLE TO DELIVER FULL FLOW WITHIN 28.8 SECONDS OF | | INITIATION. THEREFORE, THE SYSTEM SHOULD HAVE BEEN CONSIDERED OPERABLE. | | | | THE NRC RESIDENT INSPECTOR HAS BEEN INFORMED BY THE LICENSEE. THE NRC | | OPERATIONS CENTER NOTIFIED THE R1DO (DOERFLEIN). | +------------------------------------------------------------------------------+ !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32776 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PERRY REGION: 3 |NOTIFICATION DATE: 08/16/97 | |UNIT: [1] [ ] [ ] STATE: OH |NOTIFICATION TIME: 16:18 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 08/16/97 | +------------------------------------------------+EVENT TIME: 15:25[EDT]| |NRC NOTIFIED BY: ALAN RABENOLD |LAST UPDATE DATE: 09/04/97 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |ROGER LANKSBURY 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 45 POWER OPERATION | 45 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | HIGH PRESSURE CORE SPRAY SYSTEM SUCTION REALIGNMENT SIGNAL DUE TO | | INSTRUMENT DRIFT | | | | CONTROL ROOM OPERATORS RECEIVED A HIGH SUPPRESSION POOL LEVEL ALARM WHEN | | SUPPRESSION POOL LEVEL INSTRUMENT #E22-N655G DRIFTED HIGH. THE HIGH LEVEL | | SIGNAL ALSO CAUSED THE HIGH PRESSURE CORE SPRAY (HPCS) SYSTEM LOGIC TO | | ATTEMPT TO REALIGN THE HPCS PUMP SUCTION FROM THE CONDENSATE STORAGE TANK | | TO THE SUPPRESSION POOL; HOWEVER, HPCS WAS ALREADY ALIGNED TO THE | | SUPPRESSION POOL AT THE TIME OF THE EVENT. THE LICENSEE HAS DECLARED THE | | LEVEL INSTRUMENT INOPERABLE. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | * * * UPDATE AT 1718 ON 9/4/97 FROM STETSON TAKEN BY STRANSKY * * * | | | | THE LICENSEE IS RETRACTING THIS NOTIFICATION. AFTER FURTHER REVIEW, THE | | LICENSEE HAS DETERMINED THAT THIS EVENT WAS NOT REPORTABLE. THE REALIGNMENT | | SIGNAL WAS INVALID, AND OCCURRED AFTER THE SAFETY FUNCTION HAD BEEN | | COMPLETED. | | | | THE NRC RESIDENT INSPECTOR HAS BEEN INFORMED. THE NRC OPERATIONS CENTER | | NOTIFIED THE R3DO (CREED). | +------------------------------------------------------------------------------+ !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32856 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SAINT LUCIE REGION: 2 |NOTIFICATION DATE: 09/02/97 | |UNIT: [1] [2] [ ] STATE: FL |NOTIFICATION TIME: 09:52 [ET]| |RX TYPE: [1] CE,[2] CE |EVENT DATE: 09/02/97 | +------------------------------------------------+EVENT TIME: 09:05[EDT]| |NRC NOTIFIED BY: RICHARD CZARNECKI |LAST UPDATE DATE: 09/04/97 | |HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: | | |DDDD 73.71 UNSPECIFIED PARAGRAPH | | | |DAVID THOMPSON/REG 2 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 | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | AN UNAUTHORIZED ENTRY INTO THE PROTECTED AREA OCCURRED. IMMEDIATE | | COMPENSATORY MEASURES WERE TAKEN UPON DISCOVERY. (REFER TO THE HOO LOG FOR | | ADDITIONAL DETAILS.) THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | * * * UPDATE AT 1549 ON 9/4/97 FROM CZARNECKI TAKEN BY STRANSKY * * * | | | | AFTER FURTHER REVIEW, THE LICENSEE IS DOWNGRADING THIS NOTIFICATION TO A | | LOGGABLE EVENT. THE NRC RESIDENT INSPECTOR WILL BE INFORMED BY THE | | LICENSEE. THE NRC OPERATIONS CENTER NOTIFIED THE R2 IAT (THOMPSON). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32864 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: ARKANSAS NUCLEAR REGION: 4 |NOTIFICATION DATE: 09/03/97 | |UNIT: [1] [2] [ ] STATE: AR |NOTIFICATION TIME: 14:06 [ET]| |RX TYPE: [1] B&W-L-LP,[2] CE |EVENT DATE: 09/03/97 | +------------------------------------------------+EVENT TIME: 12:29[CDT]| |NRC NOTIFIED BY: SAULSBERRY |LAST UPDATE DATE: 09/04/97 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GENE BATES RDO | |AARC 50.72(b)(1)(v) OTHER ASMT/COMM 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 | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | SAFETY PARAMETER DISPLAY SYSTEM (SPDS) OUT OF SERVICE FOR MORE THAN ONE | | HOUR | | | | AT 1229 CDT ON 09/03/97, SPDS WAS DETERMINED TO BE INOPERABLE FOR GREATER | | THAN ONE HOUR IN THE TECHNICAL SUPPORT CENTER (TSC) ONLY. THE SYSTEM WAS | | RENDERED INOPERABLE DUE TO EXTENDED MAINTENANCE. GUIDANCE CONTAINED WITHIN | | PROCEDURES 1105.014 (UNIT 1) AND 2105.014 (UNIT 2) REQUIRES A ONE-HOUR | | REPORT PER THE CODE OF FEDERAL REGULATIONS. THE LICENSEE IS CONTINUING TO | | WORK ON THE PROBLEM, AND IT IS NOT KNOWN AT THIS TIME WHEN THE SPDS IN THE | | TSC WILL BE RETURNED TO SERVICE. DATA TRANSMISSION IN THE EMERGENCY | | OPERATIONS FACILITY AND CONTROL ROOM IS UNAFFECTED BY THIS PROBLEM. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED OF THIS EVENT BY THE LICENSEE. | | | | * * * 1117 09/04/97 UPDATE FROM DANIEL SCHAUBROECK RECEIVED BY TROCINE * * | | | | AT 1326 CDT ON 09/03/94, AN SPDS TERMINAL WAS RETURNED TO SERVICE IN THE | | TSC. EMERGENCY ASSESSMENT CAPABILITY WAS RESTORED AT THAT TIME. | | | | THE LICENSEE NOTIFIED THE NRC OPERATIONS CENTER. THE NRC OPERATIONS CENTER | | NOTIFIED THE R4DO (BATES). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32868 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DAVIS BESSE REGION: 3 |NOTIFICATION DATE: 09/04/97 | |UNIT: [1] [ ] [ ] STATE: OH |NOTIFICATION TIME: 09:42 [ET]| |RX TYPE: [1] B&W-R-LP |EVENT DATE: 09/04/97 | +------------------------------------------------+EVENT TIME: 09:00[EDT]| |NRC NOTIFIED BY: LARRY MYERS |LAST UPDATE DATE: 09/04/97 | |HQ OPS OFFICER: LEIGH TROCINE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JAMES CREED 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 +------------------------------------------------------------------------------+ | TECHNICAL SPECIFICATION 3.0.3 ENTRY DUE TO FAILURE TO CONSIDER PIPING LOADS | | IN THE ANALYSIS OF DECAY HEAT EXCHANGER SUPPORTS | | | | DURING SEISMIC QUALIFICATION REVIEWS OF THE DECAY HEAT EXCHANGERS, THE | | LICENSEE IDENTIFIED THAT THE ASSOCIATED PIPING LOADS WERE NOT CONSIDERED IN | | THE ANALYSIS OF THE HEAT EXCHANGER SUPPORTS. AS A RESULT, THE LICENSEE | | DECLARED BOTH DECAY HEAT EXCHANGERS INOPERABLE, AND THE UNIT ENTERED | | TECHNICAL SPECIFICATION 3.0.3 AT 0900. AS A TEMPORARY CORRECTIVE ACTION, | | EMERGENCY ACTION MAINTENANCE WAS PERFORMED TO TIGHTEN THE APPLICABLE BOLTS. | | TECHNICAL SPECIFICATION 3.0.3 WAS EXITED AT 0922. THE LICENSEE DID NOT | | COMMENCE A UNIT SHUTDOWN. | | | | THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32869 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DIABLO CANYON REGION: 4 |NOTIFICATION DATE: 09/04/97 | |UNIT: [1] [2] [ ] STATE: CA |NOTIFICATION TIME: 15:46 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 09/04/97 | +------------------------------------------------+EVENT TIME: 11:30[PDT]| |NRC NOTIFIED BY: WELLS |LAST UPDATE DATE: 09/04/97 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: | | |DDDD 73.71 UNSPECIFIED PARAGRAPH | | | |BLAINE MURRAY 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 | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | A SAFEGUARDS SYSTEM DEGRADATION RELATED TO ALARM FUNCTION OCCURRED. | | IMMEDIATE COMPENSATORY MEASURES WERE TAKEN UPON DISCOVERY. (REFER TO THE | | HOO LOG FOR ADDITIONAL DETAILS.) THE NRC RESIDENT INSPECTOR WILL BE | | INFORMED BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |FUEL CYCLE FACILITY | |EVENT NUMBER: 32870 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: NUCLEAR FUEL SERVICES INC. |NOTIFICATION DATE: 09/04/97 | | RXTYPE: URANIUM FUEL FABRICATION |NOTIFICATION TIME: 16:45 [ET]| |COMMENTS: HEU CONVERSION & SCRAP RECOVERY |EVENT DATE: 09/04/97 | | NAVAL REACTOR FUEL CYCLE |EVENT TIME: 14:30[EDT]| | LEU SCRAP RECOVERY |LAST UPDATE DATE: 09/04/97 | | CITY: ERWIN REGION: 2 +-----------------------------+ | COUNTY: UNICOI STATE: TN |PERSON ORGANIZATION| |LICENSE#: SNM-124 AGREEMENT: Y |WILLIAM RANKIN RDO | | DOCKET: 07000143 | | +------------------------------------------------+ | |NRC NOTIFIED BY: WAYNE PHILLIPS | | |HQ OPS OFFICER: BOB STRANSKY | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |HFIT 26.73 FITNESS FOR DUTY | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | A LICENSEE EMPLOYEE TESTED POSITIVE FOR ILLEGAL DRUG USE DURING A RANDOM | | TEST. THE INDIVIDUAL'S ACCESS TO THE SITE HAS BEEN SUSPENDED PENDING | | DISCIPLINARY ACTION. (REFER TO THE HOO LOG FOR ADDITIONAL DETAILS.) | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32871 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: OYSTER CREEK REGION: 1 |NOTIFICATION DATE: 09/04/97 | |UNIT: [1] [ ] [ ] STATE: NJ |NOTIFICATION TIME: 17:04 [ET]| |RX TYPE: [1] GE-2 |EVENT DATE: 09/03/97 | +------------------------------------------------+EVENT TIME: 10:00[EDT]| |NRC NOTIFIED BY: GLEN HUTTON |LAST UPDATE DATE: 09/04/97 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LAWRENCE DOERFLEIN RDO | |BAE2 20.2202(b)(2) EXCESSIVE RELEASE | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | CONTAMINATED TRASH TAKEN TO LANDFILL | | | | A DUMPSTER CONTAINING A SMALL QUANTITY OF SLIGHTLY CONTAMINATED DIRT | | (0.025ęCi OF Co-60) WAS TAKEN TO THE OCEAN COUNTY LANDFILL. APPROXIMATELY | | ONE YEAR AGO, TWO SCOOPS OF SLIGHTLY CONTAMINATED DIRT WERE INADVERTENTLY | | PLACED INTO THE DUMPSTER, AND THE LICENSEE HAD BEEN RETAINING THE DUMPSTER | | ONSITE TO PERMIT THE RADIOACTIVE MATERIAL TO DECAY. THE TRASH CONTRACTOR | | INADVERTENTLY PICKED UP THE DUMPSTER, AND TRANSPORTED THE CONTENTS TO THE | | LANDFILL. THE LICENSEE HAS NOT DETERMINED A COURSE OF ACTION AT THIS TIME. | | | | THE LICENSEE HAS CONTACTED THE NEW JERSEY BUREAU OF NUCLEAR ENGINEERS AND | | THE OWNERS OF THE LANDFILL. A PRESS RELEASE MAY BE MADE BY THE LICENSEE. | | THE NRC RESIDENT INSPECTOR WILL BE INFORMED BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32872 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SOUTH TEXAS REGION: 4 |NOTIFICATION DATE: 09/04/97 | |UNIT: [1] [2] [ ] STATE: TX |NOTIFICATION TIME: 18:07 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 09/04/97 | +------------------------------------------------+EVENT TIME: 15:07[CDT]| |NRC NOTIFIED BY: CHARLES BOWMAN |LAST UPDATE DATE: 09/04/97 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: | | |DDDD 73.71 UNSPECIFIED PARAGRAPH | | | |CHAMBERLAIN 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 | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | A SAFEGUARDS SYSTEM DEGRADATION RELATED TO AREA DOOR OCCURRED. IMMEDIATE | | COMPENSATORY MEASURES WERE NOT TAKEN UPON DISCOVERY, BUT COMPENSATORY | | MEASURES ARE NOW FULLY IMPLEMENTED. (REFER TO THE HOO LOG FOR ADDITIONAL | | DETAILS.) THE LICENSEE NOTIFIED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 32873 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: HOPE CREEK REGION: 1 |NOTIFICATION DATE: 09/04/97 | |UNIT: [1] [ ] [ ] STATE: NJ |NOTIFICATION TIME: 20:24 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 09/04/97 | +------------------------------------------------+EVENT TIME: 17:03[EDT]| |NRC NOTIFIED BY: MOHNEY |LAST UPDATE DATE: 09/04/97 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |LAWRENCE DOERFLEIN 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 71 POWER OPERATION | 71 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | ISOLATION OF SAFETY AUXILIARIES COOLING SYSTEM DUE TO SPURIOUS LOW LEVEL | | SIGNAL | | | | THE FOLLOWING IS TEXT OF A FACSIMILE SUBMITTED BY THE LICENSEE: | | | | "A SPURIOUS ISOLATION SIGNAL TO THE SACS/TACS (SAFETY AUXILIARIES COOLING | | SYSTEM/TURBINE AUXILIARIES COOLING SYSTEM) SUPPLY AND RETURN ISOLATION | | VALVES (1EGHV-2522B AND 1EGHV-2496B) WAS RECEIVED FROM AN APPARENT TRIPLE | | LOW HEAD TANK LEVEL SIGNAL. THIS SIGNAL IS AN [ENGINEERED SAFETY FEATURE | | (ESF)] SIGNAL WHICH IS DESIGNED TO ISOLATE THE SACS LOOPS FROM EACH OTHER | | ON A LEAK OR BREAK IN THE SACS OR TACS SYSTEMS. THE ISOLATION VALVE CLOSURE | | WAS DETECTED AND EVALUATED AS BEING DUE TO AN INVALID SIGNAL PRIOR TO THE | | ISOLATION VALVES COMPLETING THEIR STROKE. THE VALVES WERE RETURNED TO THE | | OPEN POSITION AS THE INITIATING SIGNAL HAD CLEARED IMMEDIATELY. NO IMPACT | | ON THE OPERATION OR ABILITY OF THE SACS LOOP TO PERFORM ITS SAFETY-RELATED | | FUNCTION OCCURRED. NO OTHER AUTOMATIC ESF SYSTEM ACTUATIONS OR RESPONSE WAS | | NOTED." | | | | "COINCIDENT WITH THE SPURIOUS ISOLATION SIGNAL TO THE SACS/TACS ISOLATION | | VALVES, A SPURIOUS FUEL POOL LO-LO SKIMMER SURGE TANK LEVEL SIGNAL WAS | | PRODUCED WHICH CAUSED THE RUNNING FUEL POOL COOLING PUMP (FPCC) TO TRIP. | | THE STANDBY FPCC PUMP WAS PLACED IN SERVICE. THIS SPURIOUS LO-LO SURGE TANK | | ISOLATION SIGNAL MAY BE RELATED TO THE SACS TRIPLE LOW HEAD ISOLATION | | SIGNAL DISCUSSED ABOVE." | | | | "NO OTHER PLANT SYSTEMS WERE AFFECTED BY THIS EVENT." | | | | "FOLLOWING THE EVENT, THE TACS SYSTEM WAS TRANSFERRED MANUALLY TO THE | | STANDBY SACS LOOP TO PREVENT A REOCCURRENCE AND ALLOW TROUBLESHOOTING TO | | TAKE PLACE ON THE LOGIC ASSOCIATED WITH THE AFFECTED SACS/TACS ISOLATION | | VALVES. THE AFFECTED SACS/TACS ISOLATION VALVES ARE CURRENTLY IN THEIR | | SAFETY-RELATED POSITION WHICH IS CLOSED. INVESTIGATION AND TROUBLESHOOTING | | EFFORTS ARE IN PROGRESS." | | | | THE NRC RESIDENT INSPECTOR WILL BE INFORMED BY THE LICENSEE. | +------------------------------------------------------------------------------+