U.S. Nuclear Regulatory Commission Operations Center Event Reports For 02/28/97 - 03/03/97 ** EVENT NUMBERS ** 31707 31708 31867 31868 31869 31870 31871 31872 31873 31874 31875 31876 !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31707 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: LIMERICK REGION: 1 |NOTIFICATION DATE: 01/31/97 | |UNIT: [1] [2] [ ] STATE: PA |NOTIFICATION TIME: 19:30 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 01/31/97 | +------------------------------------------------+EVENT TIME: 18:30[EST]| |NRC NOTIFIED BY: MIKE NEFF |LAST UPDATE DATE: 02/28/97 | |HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MICHAEL MODES 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 N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | DISCOVERY OF UNACCOUNTED FOR DUPLICATE MASTER KEYS WHICH COULD HAVE BEEN | | USED TO OBTAIN UNAUTHORIZED ACCESS TO VITAL AREAS. COMPENSATORY MEASURES | | TAKEN. THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. REFER TO THE HOO | | LOG FOR ADDITIONAL DETAILS. | | | | HOO NOTE: MASTER KEYS ALSO FIT PEACH BOTTOM STATION VITAL AREA AND LOCKED | | HIGH RAD AREA ACCESS DOORS. SEE EVENT #31708. | | | | * * * UPDATE AT 1604 EST ON 2/28/97 FROM DRIEHAUS TAKEN BY KARSCH * * * | | THE LICENSEE IS RETRACTING THIS EVENT. THEIR INVESTIGATION DETERMINED THAT | | IT IS NOT REPORTABLE BECAUSE NO EVIDENCE OF UNAUTHORIZED ACCESS TO VITAL | | AREAS RESULTED FROM THE IMPROPER KEY CONTROL. THE INVESTIGATION ALSO | | DETERMINED THAT THE IMPACT ON THE HIGH RADIATION AREA CONTROL DID NOT | | CONSTITUTE A SIGNIFICANT BREAKDOWN IN THE LICENSEE'S RADIATION PROTECTION | | PROGRAM. A 30 DAY FOLLOW-UP REPORT WILL NOT BE SUBMITTED. R1DO (DURR) | | NOTIFIED. | +------------------------------------------------------------------------------+ !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31708 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PEACH BOTTOM REGION: 1 |NOTIFICATION DATE: 01/31/97 | |UNIT: [2] [3] [ ] STATE: PA |NOTIFICATION TIME: 19:55 [ET]| |RX TYPE: [2] GE-4,[3] GE-4 |EVENT DATE: 01/31/97 | +------------------------------------------------+EVENT TIME: 18:30[EST]| |NRC NOTIFIED BY: BOB FRANSSEN |LAST UPDATE DATE: 02/28/97 | |HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MICHAEL MODES RDO | |DDDD 73.71 UNSPECIFIED PARAGRAPH | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | 3 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | DISCOVERY OF UNACCOUNTED FOR DUPLICATE MASTER KEYS WHICH COULD HAVE BEEN | | USED TO OBTAIN UNAUTHORIZED ACCESS TO VITAL AREAS. COMPENSATORY MEASURES | | TAKEN. THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. REFER TO THE | | HOO LOG FOR ADDITIONAL DETAILS. | | | | HOO NOTE: MASTER KEYS ALSO FIT LIMERICK STATION VITAL AREA AND LOCKED HIGH | | RAD AREA ACCESS DOORS. SEE EVENT #31707. | | | | * * * UPDATE AT 1648 EST ON 2/28/97 FROM ROMBOLD TAKEN BY KARSCH * * * | | THE LICENSEE IS RETRACTING THIS EVENT. THEIR INVESTIGATION DETERMINED THAT | | IT IS NOT REPORTABLE BECAUSE NO EVIDENCE OF UNAUTHORIZED ACCESS TO VITAL | | AREAS RESULTED FROM THE IMPROPER KEY CONTROL. THE INVESTIGATION ALSO | | DETERMINED THAT THE IMPACT ON THE HIGH RADIATION AREA CONTROL DID NOT | | CONSTITUTE A SIGNIFICANT BREAKDOWN IN THE LICENSEE'S RADIATION PROTECTION | | PROGRAM. A 30 DAY FOLLOW-UP REPORT WILL NOT BE SUBMITTED. R1DO (DURR) | | NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31867 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: QUAD CITIES REGION: 3 |NOTIFICATION DATE: 02/28/97 | |UNIT: [ ] [2] [ ] STATE: IL |NOTIFICATION TIME: 10:09 [ET]| |RX TYPE: [1] GE-3,[2] GE-3 |EVENT DATE: 02/28/97 | +------------------------------------------------+EVENT TIME: 09:00[CST]| |NRC NOTIFIED BY: NOHR |LAST UPDATE DATE: 02/28/97 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GEOFFREY WRIGHT RDO | |ASHU 50.72(b)(1)(i)(A) PLANT S/D REQD BY TS | | |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 +------------------------------------------------------------------------------+ | THE PLANT ENTERED TWO LCO ACTION STATEMENTS TO BE IN HOT SHUTDOWN WITHIN 12 | | HRS DUE TO FOUR POWER OPERATED RELIEF VALVES BEING DECLARED INOPERABLE. | | | | THIS OCCURRED WHILE THEY WERE PERFORMING A SURVEILLANCE TEST ON THE PORV'S | | OF WHICH FOUR ("B", "C", "D" & "E") OF THE VALVES DID NOT CLOSE WITHIN THE | | ACCEPTANCE REQUIRED ACTION RANGE OF 2.0 SECONDS (ACTUAL SURVEILLANCE TIMES | | WERE 2.5 SECONDS - 3 SECONDS). THE VALVES WERE DECLARED INOPERABLE AT 0500 | | CT AND PLANT SHUTDOWN STARTED AT 0900 CT AFTER ENTERING T.S.-3.5.A, ACTION | | 4B AND T.S.-3.6F, ACTION 3. THE PLANT WILL GO TO COLD S/D SINCE THEY WERE | | ALREADY SCHEDULED TO START THEIR REFUELING OUTAGE ON THIS DATE. THE CAUSE | | OF THE TEST FAILURE IS UNKNOWN AND IS BEING INVESTIGATED. THE RESIDENT | | INSPECTOR HAS BEEN INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31868 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: ZION REGION: 3 |NOTIFICATION DATE: 02/28/97 | |UNIT: [ ] [2] [ ] STATE: IL |NOTIFICATION TIME: 12:22 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 02/28/97 | +------------------------------------------------+EVENT TIME: 11:10[CST]| |NRC NOTIFIED BY: CURT BASNER |LAST UPDATE DATE: 02/28/97 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: UNUSUAL EVENT +-----------------------------+ |10 CFR SECTION: |GEOFFREY WRIGHT RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |BOB DENNIG EO | | |LAIRD FEMA | | |RICH BARRETT AEOD | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE DECLARED AN UNUSUAL EVENT DUE TO THE POSSIBILITY THAT PLANT | | SAFETY COULD BE IN JEOPARDY. A DEVICE ATTACHED BY A STRING TO A PARACHUTE | | IS LODGED IN THE UNIT TWO SYSTEM AUXILIARY TRANSFORMER (SAT) TRUSS WORK | | OVER THE BUS BARS. REMOVAL OF THE DEVICE, WHICH APPEARS TO BE AN | | ELECTRICAL BOX, WILL REQUIRE THE DEENERGIZATION OF THE SAT. | | | | DECAY HEAT REMOVAL IS VIA THE "A" TRAIN OF RHR. THE EMERGENCY DIESEL | | GENERATOR (EDG) FOR THIS TRAIN IS OUT OF SERVICE, HOWEVER, RESERVE POWER | | FROM UNIT 1 IS AVAILABLE, AND THE OTHER TRAIN OF RHR AND ITS EDG ARE ALSO | | AVAILABLE. | | | | THE LICENSEE HAS CALLED THE LAKE COUNTY BOMB SQUAD AS A PRECAUTION. THE | | LICENSEE INFORMED THE NRC RESIDENT INSPECTOR, AND MIGHT ISSUE A PRESS | | RELEASE. | | | | * * * UPDATE AT 2326 EST FROM LOGARAS TAKEN BY KARSCH * * * | | THE LICENSEE TERMINATED THEIR UNUSUAL EVENT AT 2215 CST. THE DEVICE WHICH | | BELONGS TO THE NATIONAL WEATHER SERVICE, WAS REMOVED FROM THE UNIT 2 | | SWITCHYARD. THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. R3DO | | (WRIGHT), NRR EO (McKEE), FEMA (CANUPP). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31869 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: OYSTER CREEK REGION: 1 |NOTIFICATION DATE: 02/28/97 | |UNIT: [1] [ ] [ ] STATE: NJ |NOTIFICATION TIME: 14:39 [ET]| |RX TYPE: [1] GE-2 |EVENT DATE: 02/28/97 | +------------------------------------------------+EVENT TIME: 12:54[EST]| |NRC NOTIFIED BY: STEVE FULLER |LAST UPDATE DATE: 02/28/97 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JACK DURR 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 Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | SET POINTS FOR THE REACTOR BUILDING VENTILATION RADIATION MONITORS USED TO | | INITIATE STANDBY GAS TREATMENT SYSTEM (SBGTS) WERE SET MUCH HIGHER THAN THE | | TECH SPEC ALLOWED VALUE. THIS COULD HAVE HAMPERED THE CONTROL OF A | | RADIATION RELEASE BY DEFEATING THE AUTOMATIC INITIATION OF SBGTS. THE TECH | | SPEC VALUE FOR THE SET POINT IS 17 mR/Hr. THE AS FOUND VALUES FOR THE SET | | POINTS WERE 30 mR/Hr AND 40 mR/Hr. THE LICENSEE SUSPECTS THAT THE SET | | POINTS WERE IMPROPERLY SET DUE TO HUMAN ERROR. THE SET POINTS HAVE BEEN | | RESET TO THE CORRECT VALUE. THE LICENSEE WILL INFORM THE NRC RESIDENT | | INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 31870 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: ROLLINS ENVIRONMENTAL INC/ENBOTEC |NOTIFICATION DATE: 02/28/97 | | CITY: ANN ARBOR REGION: 3 |NOTIFICATION TIME: 15:35 [ET]| | COUNTY: WASHTENAW STATE: MI |EVENT DATE: 02/28/97 | |LICENSE#: 21-15470-02 AGREEMENT: N |EVENT TIME: 00:00[EST]| | DOCKET: |LAST UPDATE DATE: 02/28/97 | | +-----------------------------+ | |PERSON ORGANIZATION| | |GEOFFREY WRIGHT RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: STANLEY SMITH | | |HQ OPS OFFICER: RUDY KARSCH | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |BAB2 20.2201(a)(1)(ii) LOST/STOLEN LNM>10X | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | AS A RESULT OF AN INSPECTION THE LICENSEE CONDUCTED A BIANNUAL INVENTORY | | AND DETERMINED THAT A SOURCE CONTAINING LESS THAN 8mCi OF Ni-63 WAS | | MISSING. THE SOURCE WAS PROBABLY SENT TO A LAND FILL ATTACHED TO A GAS | | CHROMATOGRAPH BY MISTAKE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31871 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: HADDAM NECK REGION: 1 |NOTIFICATION DATE: 02/28/97 | |UNIT: [1] [ ] [ ] STATE: CT |NOTIFICATION TIME: 15:37 [ET]| |RX TYPE: [1] W-4-LP |EVENT DATE: 02/28/97 | +------------------------------------------------+EVENT TIME: 15:31[EST]| |NRC NOTIFIED BY: ROY BROWN |LAST UPDATE DATE: 02/28/97 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JACK DURR 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 N 0 REFUELING | 0 REFUELING | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LOW LEVEL CONTAMINATED EQUIPMENT RELEASED FROM SITE. PRESS RELEASE MADE. | | | | THE REACTOR IS DEFUELED. VIDEO EQUIPMENT RENTED BY THE LICENSEE WAS SENT | | BACK OFFSITE WITH LOW LEVELS OF RADIOACTIVE CONTAMINATION. A SURVEY BY THE | | LICENSEE DETERMINED THAT THE LEVELS WERE BELOW THE REGULATORY REQUIREMENTS | | FOR REPORTABILITY. THE PRESS RELEASE STATES THAT THE INCIDENT POSES NO | | SIGNIFICANT HEALTH RISK. THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31872 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: WATERFORD REGION: 4 |NOTIFICATION DATE: 02/28/97 | |UNIT: [3] [ ] [ ] STATE: LA |NOTIFICATION TIME: 18:46 [ET]| |RX TYPE: [3] CE |EVENT DATE: 02/28/97 | +------------------------------------------------+EVENT TIME: 15:43[CST]| |NRC NOTIFIED BY: ARTHUR WEMETT |LAST UPDATE DATE: 02/28/97 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 3 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE NOTIFIED TWO LOCAL SHERIFF'S DEPARTMENTS THAT SITE SECURITY | | FOUND A BOX LABELED EXPLOSIVES IN A BUILDING LOCATED OUTSIDE THE PROTECTED | | AREA BUT ON LICENSEE CONTROLLED PROPERTY. | | | | THE EXPLOSIVES MAY HAVE BEEN USED TO TEST AN EXPLOSIVE DETECTOR AT THE | | PROTECTED AREA ENTRANCE. THE BUILDING HAS BEEN SECURED AWAITING THE | | ARRIVAL OF THE JEFFERSON PARISH SHERIFF'S OFFICE PERSONNEL. THE LICENSEE | | INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31873 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CLINTON REGION: 3 |NOTIFICATION DATE: 02/28/97 | |UNIT: [1] [ ] [ ] STATE: IL |NOTIFICATION TIME: 20:04 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 02/28/97 | +------------------------------------------------+EVENT TIME: 17:30[CST]| |NRC NOTIFIED BY: ROBERT POWERS |LAST UPDATE DATE: 02/28/97 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GEOFFREY WRIGHT 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 +------------------------------------------------------------------------------+ | CIRCUIT BREAKERS FOR DIVISION 3 4160 VOLT SWITCHGEAR ARE NOT SEISMICALLY | | QUALIFIED UNLESS THEY ARE RACKED TO THE "CONNECTED" POSITION. THE | | POTENTIAL EXISTS FOR AN IMPACT FROM AN UNRESTRAINED CIRCUIT BREAKER IN THE | | "DISCONNECTED" POSITION TO CAUSE RELAY CHATTER IN ADJACENT BREAKER CUBICLES | | WHICH COULD COMPROMISE SAFETY RELATED EQUIPMENT. | | | | ALL APPLICABLE BREAKERS ARE PRESENTLY IN THE "CONNECTED" POSITION. IN THE | | FUTURE, ANY BREAKERS NOT IN THE "CONNECTED" POSITION WILL BE REMOVED FROM | | THE SWITCHGEAR. THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31874 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: POINT BEACH REGION: 3 |NOTIFICATION DATE: 03/01/97 | |UNIT: [1] [2] [ ] STATE: WI |NOTIFICATION TIME: 04:12 [ET]| |RX TYPE: [1] W-2-LP,[2] W-2-LP |EVENT DATE: 03/01/97 | +------------------------------------------------+EVENT TIME: 02:57[CST]| |NRC NOTIFIED BY: RON HARPER |LAST UPDATE DATE: 03/01/97 | |HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GEOFFREY WRIGHT RDO | |ADAS 50.72(b)(2)(i) DEG/UNANALYZED COND | | |NLCO TECH SPEC LCO A/S | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 HOT STANDBY | 0 HOT STANDBY | | 2 | N N 0 REFUELING | 0 REFUELING | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | REMAINING B TRAIN EMERGENCY DIESEL GENERATOR (EDG) DECLARED INOPERABLE DUE | | TO POTENTIAL COMMON MODE FAILURE. | | | | "EMERGENCY DIESEL GENERATOR G-04 (B TRAIN) HAS BEEN OUT-OF-SERVICE DUE TO A | | GENERATOR BEARING FAILURE. WITH G-04 OUT-OF-SERVICE, DIESEL GENERATOR G-03 | | (B TRAIN) HAS BEEN PROVIDING STANDBY EMERGENCY POWER FOR BOTH UNITS B TRAIN | | BUSSES. ON 2/28/97 AT 1600 HOURS, THE DIESEL MANUFACTURER REPORTED THAT | | THE G-04 BEARING FAILURE WAS DUE TO CIRCULATING CURRENTS IN THE SHAFT AND | | WAS A POTENTIAL COMMON MODE FAILURE FOR THE SIMILAR DIESEL GENERATOR, G-03. | | DIESEL GENERATOR G-03 WAS DECLARED OUT-OF-SERVICE AS OF 1600 HOURS ON | | 2/28/97. IN ACCORDANCE WITH THE PLANT TECHNICAL SPECIFICATIONS, THE A | | TRAIN DIESEL GENERATORS (G-01 FOR UNIT 1, G-02 FOR UNIT 2) MUST BE TESTED | | WITHIN 24 HOURS AND EVERY 72 HOURS THEREAFTER. G-01 AND G-02 ARE NOT | | SUSCEPTIBLE TO THE POTENTIAL COMMON MODE FAILURE. DURING THE TIME THAT AN | | A TRAIN DIESEL IS UNDER TEST, NO STANDBY EMERGENCY POWER WILL BE AVAILABLE | | TO THAT UNIT. THUS, TECHNICAL SPECIFICATION 15.3.0.B IS CONSERVATIVELY | | BEING ENTERED. THIS IS BEING REPORTED IN ACCORDANCE WITH 10 CFR 50.72 | | b(2)(i). UNIT 1 IS PRESENTLY IN HOT STANDBY. UNIT 2 IS DEFUELED FOR A | | STEAM GENERATOR REPLACEMENT OUTAGE." | | | | THE LICENSEE INTENDS TO PERFORM SURVEILLANCE RUNS ON BOTH EDGs THIS MORNING | | AND EXIT THE LCO. THE DRIVES FOR BOTH EDGs ARE GMC ELECTROMOTIVE DIVISION | | TYPE 20-645-E4. THE GENERATOR ENDS ARE TYPE L-11092 MANUFACTURED BY PORTEC, | | INC. ELECTRIC PRODUCT DIVISION LOCATED IN CLEVELAND, OHIO. THE LICENSEE | | BELIEVED THE PROBLEM WAS RELATED TO A DESIGN CHANGE ON INSULATING THE | | GENERATOR BEARING. THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31875 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DIABLO CANYON REGION: 4 |NOTIFICATION DATE: 03/02/97 | |UNIT: [1] [ ] [ ] STATE: CA |NOTIFICATION TIME: 13:06 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 03/02/97 | +------------------------------------------------+EVENT TIME: 08:10[PST]| |NRC NOTIFIED BY: JIM NORTHNESS |LAST UPDATE DATE: 03/02/97 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ 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 +------------------------------------------------------------------------------+ | THE LICENSEE ANTICIPATES A PRESS RELEASE REGARDING A FIRE ON SITE. | | | | AT 0810 PST A FIRE DESTROYED THE INVERTER USED TO PROVIDE CONTROL POWER TO | | THE TURBINE GENERATOR. TURBINE GENERATOR CONTROL WAS IN "MANUAL" AT THE | | TIME DUE TO PREVIOUS PROBLEMS WITH THE CONTROL SYSTEM, SO NO TURBINE | | GENERATOR PERTURBATIONS WERE OBSERVED. THE FIRE WAS PUT OUT BY THE SITE | | FIRE BRIGADE AT 0816 PST. NO SAFETY RELATED EQUIPMENT WAS DAMAGED BY THE | | FIRE. THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 31876 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: TURKEY POINT REGION: 2 |NOTIFICATION DATE: 03/03/97 | |UNIT: [3] [ ] [ ] STATE: FL |NOTIFICATION TIME: 01:24 [ET]| |RX TYPE: [3] W-3-LP,[4] W-3-LP |EVENT DATE: 03/03/97 | +------------------------------------------------+EVENT TIME: 00:41[EST]| |NRC NOTIFIED BY: TOM WOGAN |LAST UPDATE DATE: 03/03/97 | |HQ OPS OFFICER: STEVE SANDIN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |EDWARD MCALPINE RDO | |ARPS 50.72(b)(2)(ii) RPS ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 3 | M/R Y 0 STARTUP | 0 HOT STANDBY | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | UNIT 3 INITIATED A MANUAL REACTOR TRIP DURING SHUTDOWN FOLLOWING A ROD | | CONTROL URGENT FAILURE ALARM. | | | | "DURING REACTOR SHUTDOWN FOR REFUELING OUTAGE, RECEIVED ROD CONTROL URGENT | | FAILURE. THE FAILURE OCCURRED ON THE #2 BD POWER CABINET. THE FAILURE | | INHIBITED ALL ROD MOTION. THE REACTOR WAS MANUALLY TRIPPED AND EOP E-0 WAS | | ENTERED. ALL RODS ARE PRESENTLY INSERTED WITH THE REACTOR IN MODE 3. EOPs | | EXITED AT 0050 HOURS ON 3/3/97." | | | | DECAY HEAT IS CURRENTLY BEING REMOVED VIA THE STEAM GENERATOR ATMOSPHERIC | | DUMPS. THERE IS NO KNOWN PRIMARY-SECONDARY TUBE LEAKAGE. ALL EMERGENCY | | DIESEL GENERATORS ARE AVAILABLE AND IN A STANDBY CONDITION. THE CAUSE OF | | THE ROD CONTROL URGENT FAILURE IS UNDER INVESTIGATION. THE LICENSEE | | INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+