U.S. Nuclear Regulatory Commission Operations Center Event Reports For 01/19/96 - 01/22/96 ** EVENT NUMBERS ** 29852 29859 29860 29861 29862 29863 29864 29865 29866 29867 29868 29869 29870 29871 29872 29873 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29852 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BRAIDWOOD REGION: 3 |NOTIFICATION DATE: 01/18/96 | |UNIT: [ ] [2] [ ] STATE: IL |NOTIFICATION TIME: 14:03 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 01/18/96 | +------------------------------------------------+EVENT TIME: 12:32[CST]| |NRC NOTIFIED BY: W BEST |LAST UPDATE DATE: 01/20/96 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: UNUSUAL EVENT +-----------------------------+ |10 CFR SECTION: |BRUCE JORGENSEN RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |AL CHAFFEE EO | | |CARR FEMA | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | LOSS OF BOTH SYSTEM AUXILIARY TRANSFORMERS (SAT 242-1 & 242-2) DUE TO | | SUSPECTED LIGHTNING STRIKE. | | UNIT 2 EXPERIENCED A LOSS OF THE SYSTEM AUXILIARY TRANSFORMERS. THE | | EMERGENCY DIESEL GENERATORS BOTH AUTOMATICALLY STARTED AND LOADED ON THEIR | | RESPECTIVE BUSES. THUNDERSTORMS AND HIGH WINDS WERE OCCURRING AND ARE STILL | | OCCURRING. A LIGHTNING STRIKE TO OR IN THE AREA OF THE TRANSFORMERS IS | | SUSPECTED. LICENSEE IS PREPARING TO CROSS-TIE THEIR ESF BUSES WITH UNIT 1 | | ESF BUSES. LICENSEE BELIEVES THAT IT WILL TAKE THEM ABOUT ONE HOUR BEFORE | | UNIT 2 ESF BUSES ARE CROSS-TIED TO UNIT 1 ESF BUSES. NON-VITAL LOADS ARE | | BEING CARRIED BY THE UNIT AUXILIARY TRANSFORMER. | | UNIT 1 IS AT 100% POWER AND THEIR EMERGENCY DIESEL GENERATORS ARE FULLY | | OPERABLE IF NEEDED. | | LICENSEE NOTIFIED STATE AND LOCAL OFFICIALS OF THIS EVENT. | | | | RESIDENT INSPECTOR WAS INFORMED BY THE LICENSEE. | | | | *** UPDATE 01/18/96 1518 EST BY BEST TO MACKINNON*** | | | | SYSTEM AUXILIARY TRANSFORMER 242-1 SHOWS SIGNS OF A LIGHTNING STRIKE SUCH | | AS DISCOLORATION AT THE TOP OF THE INSULATOR BUSHINGS. ALSO 345KV BUS TIE | | 11-14 WHICH CONNECTS THE SYSTEM AUXILIARY TRANSFORMERS TO THE SWITCHYARD | | HAS BUSHING DAMAGED ON THE PHASE B BUSHING. UNIT 2 ESF BUSES ARE NOW | | CROSS-TIED WITH UNIT 1 SYSTEM AUXILIARY TRANSFORMERS. THE UNIT 2 EMERGENCY | | DIESEL GENERATORS ARE BEING PLACED IN STAND-BY. LICENSEE SAID THAT TO EXIT | | THE UNUSUAL EVENT CLASSIFICATION THEY NEED TO RESTORE POWER TO THEIR SYSTEM | | AUXILIARY TRANSFORMERS (242-1 & 242-2) FROM THE SWITCHYARD. | | R3DO (BRUCE JORGENSEN) & NRR (ED GOODWIN) NOTIFIED. | | | | * * * UPDATE 0455 1/20/96 FROM STEFAN TAKEN BY STRANSKY * * * | | | | UNUSUAL EVENT WAS TERMINATED AT 0322 CST WHEN SYSTEM AUXILIARY TRANSFORMER | | 242-2 WAS RESTORED TO SERVICE. THE NRC RESIDENT INSPECTOR HAS BEEN | | INFORMED. NOTIFIED R3DO (JORGENSEN), EO (HEBDON). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29859 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: GRAND GULF REGION: 4 |NOTIFICATION DATE: 01/19/96 | |UNIT: [1] [ ] [ ] STATE: MS |NOTIFICATION TIME: 10:53 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 01/19/96 | +------------------------------------------------+EVENT TIME: 07:00[CST]| |NRC NOTIFIED BY: JACOBSON |LAST UPDATE DATE: 01/19/96 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PHIL HARRELL 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 +------------------------------------------------------------------------------+ | OFFSITE NOTIFICATION OF AN INOPERABLE SIREN | | | | THE LOCAL CIVIL DEFENSE AGENCY MADE NOTIFICATION TO SEVERAL LOCAL NEWS | | ORGANIZATIONS THAT A SIREN HAD MALFUNCTIONED. THE LICENSEE MADE THIS | | NOTIFICATION BECAUSE OF THE INVOLVEMENT OF THE MEDIA. THE LICENSEE DID NOT | | CONTACT ANY OFFSITE ORGANIZATIONS. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29860 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SOUTH TEXAS REGION: 4 |NOTIFICATION DATE: 01/19/96 | |UNIT: [ ] [2] [ ] STATE: TX |NOTIFICATION TIME: 11:04 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 01/19/96 | +------------------------------------------------+EVENT TIME: 09:35[CST]| |NRC NOTIFIED BY: MONTY WONG |LAST UPDATE DATE: 01/19/96 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: UNUSUAL EVENT +-----------------------------+ |10 CFR SECTION: |PHIL HARRELL RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |ED GOODWIN EO | |NLCO TECH SPEC LCO A/S |CARR FEMA | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N N 0 HOT STANDBY | 0 HOT STANDBY | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | UNUSUAL EVENT BASED ON HAVING TWO FEED WATER ISOLATION VALVES (FWIVs) | | INOPERABLE AT THE SAME TIME | | | | THE LICENSEE ENTERED TECH SPEC 3.0.3 BECAUSE TWO FWIVs WERE DECLARED | | INOPERABLE. THE "A" AND "C" FWIVs WERE PLACED IN AN INOPERABLE STATUS ON | | THE AFTERNOON OF 1/18/96 TO PERFORM PLANNED MAINTENANCE. THE ON COMING | | CREW THIS MORNING NOTED THAT HAVING TWO FWIVs INOPERABLE AT THE SAME TIME | | EXCEEDED THE LIMITS OF TECH SPEC. 3.7.1.7. THE UNUSUAL EVENT WAS DECLARED | | AT 0935 CST THIS MORNING. | | | | THE "A" FWIV WAS RESTORED TO AN OPERABLE STATUS AT 1028 CST AND THE PLANT | | TERMINATED THE UNUSUAL EVENT AT 1031 CST. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29861 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PERRY REGION: 3 |NOTIFICATION DATE: 01/19/96 | |UNIT: [1] [ ] [ ] STATE: OH |NOTIFICATION TIME: 12:02 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 01/19/96 | +------------------------------------------------+EVENT TIME: 06:00[EST]| |NRC NOTIFIED BY: VEITCH |LAST UPDATE DATE: 01/19/96 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |BRUCE JORGENSEN RDO | |HFIT 26.73 FITNESS FOR DUTY | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 80 POWER OPERATION | 80 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | A CONTRACT SUPERVISOR TESTED POSITIVE FOR ALCOHOL BY SECURITY WHILE HE WAS | | ENTERING THE PROTECTED AREA. UNESCORTED ACCESS FOR THE CONTRACT SUPERVISOR | | WAS PULLED IMMEDIATELY. CONTRACT SUPERVISOR HAS BEEN TAKEN TO SITE MEDICAL | | FACILITY FOR FURTHER TESTING. | | | | RESIDENT INSPECTOR WAS INFORMED BY THE LICENSEE OF THIS EVENT. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29862 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 01/19/96 | |UNIT: [ ] [2] [ ] STATE: CT |NOTIFICATION TIME: 15:27 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 01/19/96 | +------------------------------------------------+EVENT TIME: 14:45[EST]| |NRC NOTIFIED BY: L NELSON |LAST UPDATE DATE: 01/19/96 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JIM JOYNER RDO | |APRE 50.72(b)(2)(vi) OFFSITE NOTIFICATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | LESS THAN ONE GALLON OF DIESEL OIL SPILLED INTO LONG ISLAND SOUND. | | | | DIESEL OIL LEAKING FROM UNDERNEATH A TRUCK DRAINED INTO A STORM DRAIN WHICH | | DRAINS INTO LONG ISLAND SOUND. LESS THAN ONE GALLON OF THE DIESEL OIL | | DRAINED INTO LONG ISLAND SOUND. THE LEAK WAS STOPPED AND THE DIESEL OIL | | GOING TO THE STORM DRAIN WAS CLEANED UP. LICENSEE NOTIFIED THE STATE OF | | CONNECTICUT DEPARTMENT OF ENVIRONMENTAL PROTECTION AND THE UNITED STATES | | COAST GUARD OF THE DIESEL OIL SPILL INTO LONG ISLAND SOUND. | | | | RESIDENT INSPECTOR WAS INFORMED BY THE LICENSEE OF THIS EVENT. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29863 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BEAVER VALLEY REGION: 1 |NOTIFICATION DATE: 01/20/96 | |UNIT: [1] [2] [ ] STATE: PA |NOTIFICATION TIME: 07:35 [ET]| |RX TYPE: [1] W-3-LP,[2] W-3-LP |EVENT DATE: 01/20/96 | +------------------------------------------------+EVENT TIME: 07:33[EST]| |NRC NOTIFIED BY: HINES |LAST UPDATE DATE: 01/20/96 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOYNER 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 | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LICENSEE CONTACTED US ARMY CORPS OF ENGINEERS REGARDING HIGH RIVER LEVEL. | | THE LICENSEE HAS CONTACTED THE CORPS OF ENGINEERS REGARDING HIGH WATER | | LEVELS IN THE OHIO RIVER. THE LICENSEE HAS RECEIVED A FLOOD ALERT DUE TO | | EXPECTED CRESTING OF THE OHIO RIVER LATER TODAY. THE RIVER IS EXPECTED TO | | CREST AT 698 FEET ABOVE SEA LEVEL AT 2200 THIS EVENING. THE LICENSEE | | REPORTED THAT THE PLANT TECHNICAL SPECIFICATIONS REQUIRE THAT THE UNITS BE | | SHUT DOWN WITHIN 6 HOURS IF RIVER WATER LEVEL EXCEEDS 695 FEET, AND THAT | | THE EMERGENCY PLAN REQUIRES THE DECLARATION OF AN UNUSUAL EVENT IF WATER | | LEVEL REACHES 700 FEET. | | | | THE NRC RESIDENT INSPECTOR WILL BE INFORMED BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29864 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: COOK REGION: 3 |NOTIFICATION DATE: 01/20/96 | |UNIT: [ ] [2] [ ] STATE: MI |NOTIFICATION TIME: 07:47 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 01/20/96 | +------------------------------------------------+EVENT TIME: 04:14[EST]| |NRC NOTIFIED BY: MAGLASANG |LAST UPDATE DATE: 01/20/96 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JORGENSEN RDO | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | CONTAINMENT VENTILATION ISOLATION CAUSED BY SOURCE CHECK | | | | WHILE A ROUTINE CONTAINMENT PRESSURE RELIEF WAS IN PROGRESS, A TRAIN 'A' | | CONTAINMENT VENTILATION ISOLATION OCCURRED. THE LICENSEE REPORTED THAT THE | | SHIFT SOURCE CHECK OF RADIATION MONITORS WAS BEING PERFORMED AT THE TIME, | | BUT THAT NO HIGH RADIATION ALARMS WERE RECEIVED, AND NO HIGH LEVEL READINGS | | WERE OBSERVED. HOWEVER, THE LICENSEE BELIEVES THAT THE SOURCE CHECK SOMEHOW | | CAUSED A SIGNAL TO BE INTRODUCED TO THE SOLID STATE PROTECTION SYSTEM, | | CAUSING THE ISOLATION. THE TRAIN 'A' CONTAINMENT ISOLATION CLOSED | | AUTOMATICALLY, TERMINATING THE PRESSURE RELIEF. | | | | AFTER VERIFYING THAT NO HIGH RADIATION CONDITION EXISTED, OPERATORS RESET | | THE CONTAINMENT VENTILATION SIGNAL AND RESUMED THE PRESSURE RELIEF. THE | | LICENSEE IS CURRENTLY INVESTIGATING THE CAUSE OF THIS EVENT. THE NRC | | RESIDENT INSPECTOR HAS BEEN INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29865 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 01/20/96 | |UNIT: [ ] [ ] [3] STATE: CT |NOTIFICATION TIME: 09:00 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 01/20/96 | +------------------------------------------------+EVENT TIME: 08:35[EST]| |NRC NOTIFIED BY: FRANKS |LAST UPDATE DATE: 01/20/96 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JOYNER RDO | |ASHU 50.72(b)(1)(i)(A) PLANT S/D REQD BY TS | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | | | | | 3 | N Y 100 POWER OPERATION | 99 POWER OPERATION | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | UNIT COMMENCED SHUTDOWN REQUIRED BY TECHNICAL SPECIFICATIONS | | | | AT 0835, THE LICENSEE COMMENCED A UNIT SHUTDOWN IN ACCORDANCE WITH | | TECHNICAL SPECIFICATION 3.0.3, DUE TO THE INABILITY TO DEMONSTRATE THAT THE | | SUPPLEMENTAL LEAK COLLECTION AND RELEASE SYSTEM (SLCRS) CAN PERFORM ITS | | INTENDED FUNCTION. THE CAUSE OF THIS EVENT IS A PRESSURE BOUNDARY DOOR | | WHICH WILL NOT LATCH. WITH THE DOOR OPEN, THE SLCRS CAN NOT BE | | DEMONSTRATED TO CREATE THE PROPER DIFFERENTIAL PRESSURE BETWEEN THE | | PRESSURE BOUNDARY AND THE OUTSIDE ATMOSPHERE. | | | | THE LICENSEE EXPECTS REPAIRS TO THE DOOR TO BE COMPLETED LATER THIS | | MORNING. THE NRC RESIDENT INSPECTOR HAS BEEN INFORMED BY THE LICENSEE. | | | | * * * UPDATE 0947 1/20/96 FROM FRANKS TAKEN BY STRANSKY * * * | | | | THE DOOR LATCH HAS BEEN REPAIRED, AND THE UNIT HAS EXITED THE T/S SHUTDOWN | | ACTION STATEMENT. REACTOR POWER IS BEING RETURNED TO 100%. NOTIFIED R1DO | | (JOYNER). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29866 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SOUTH TEXAS REGION: 4 |NOTIFICATION DATE: 01/20/96 | |UNIT: [ ] [2] [ ] STATE: TX |NOTIFICATION TIME: 09:09 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 01/20/96 | +------------------------------------------------+EVENT TIME: 08:26[CST]| |NRC NOTIFIED BY: SMITH |LAST UPDATE DATE: 01/20/96 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |HARRELL RDO | |NLTR LICENSEE 24 HR REPORT | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N N 0 HOT STANDBY | 0 HOT STANDBY | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LICENSEE 24-HR REPORT IN ACCORDANCE WITH PLANT OPERATING LICENSE. | | | | THE FOLLOWING IS TEXT OF A FACSIMILE SUBMITTED BY THE LICENSEE: | | | | "ON 1/18/96 AT 1750, [WE] DECLARED FWIVs (FEEDWATER ISOLATION VALVES) 'A' | | AND 'C' INOPERABLE PER T.S. 3.7.1.7 TO REPLACE ACTUATOR PACKING. AT 2350 | | ON 1/18/96, WE SHOULD HAVE ENTERED T.S. 3.0.3. ACTUAL ENTRY INTO T.S. | | 3.0.3 WAS AT 0825 ON 1/19/96. [WE] EXITED T.S. 3.0.3 AT 1028 ON 1/19/96. | | | | AT 2134 ON 1/19/96. STATE AND LOCAL AGENCIES WERE NOTIFIED VIA | | NOTIFICATION OF UNUSUAL EVENT WHICH WAS DECLARED AT 0935 ON 1/19/96 AND | | EXITED AT 1031 ON 1/19/96. (HOO NOTE: SEE EVENT 29860)" | | | | THE LICENSEE IS INVESTIGATING VARIOUS ASPECTS OF THIS EVENT. THE NRC | | RESIDENT INSPECTOR HAS BEEN INFORMED BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29867 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: FT CALHOUN REGION: 4 |NOTIFICATION DATE: 01/20/96 | |UNIT: [1] [ ] [ ] STATE: NE |NOTIFICATION TIME: 15:20 [ET]| |RX TYPE: [1] CE |EVENT DATE: 01/20/96 | +------------------------------------------------+EVENT TIME: 11:00[CST]| |NRC NOTIFIED BY: SCOTT LINDQUIST |LAST UPDATE DATE: 01/20/96 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PHIL HARRELL 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 +------------------------------------------------------------------------------+ | OFFSITE NOTIFICATION MADE TO THE UNITED STATES ARMY CORPS OF ENGINEERS | | REQUESTING THEM TO INCREASE FLOW TO THE MISSOURI RIVER. | | | | THE FOLLOWING IS TEXT OF A FACSIMILE SUBMITTED BY THE LICENSEE: | | | | "AN ICE JAM ON THE MISSOURI RIVER UPSTREAM OF FT. CALHOUN STATION HAS | | RESULTED IN DECREASING RIVER LEVELS. ABNORMAL OPERATING PROCEDURE, AOP-1 | | "ACTS OF NATURE" HAD BEEN ENTERED ON 01/19/96 AT 0018 (CST) DUE TO | | POTENTIAL RIVER LEVEL DROP BELOW 983' ELEVATION. AT 1100 (CST) ON 01/20/96 | | A REQUEST WAS MADE OF THE U.S. ARMY CORPS OF ENGINEERS FOR INCREASED RIVER | | FLOW, AS REQUIRED BY AOP-1 WHEN RIVER LEVEL DECREASED TO THE 982' | | ELEVATION. CURRENT RIVER LEVEL IS 982'8", EXPECTED LOW RIVER LEVEL IS | | APPROXIMATELY 980'6". PLANT TECHNICAL SPECIFICATIONS REQUIRED THE REACTOR | | BE PLACED IN A COLD SHUTDOWN CONDITION IF THE RIVER LEVEL IS LESS THAN | | 976'9". IN ADDITION DECREASING RIVER LEVELS MAY GENERATE MEDIA INTEREST." | | | | UNUSUAL EVENT CLASSIFICATION WOULD BE MADE IF THE MISSOURI RIVER ELEVATION | | DECREASES TO 978'. | | | | RESIDENT INSPECTOR WAS INFORMED BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29868 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PEACH BOTTOM REGION: 1 |NOTIFICATION DATE: 01/20/96 | |UNIT: [2] [3] [ ] STATE: PA |NOTIFICATION TIME: 17:17 [ET]| |RX TYPE: [2] GE-4,[3] GE-4 |EVENT DATE: 01/20/96 | +------------------------------------------------+EVENT TIME: 17:10[EST]| |NRC NOTIFIED BY: BRASSARD |LAST UPDATE DATE: 01/21/96 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: UNUSUAL EVENT +-----------------------------+ |10 CFR SECTION: |JIM JOYNER RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |FRED HEBDON EO | | |STORER FEMA | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 2 | N Y 98 POWER OPERATION | 98 POWER OPERATION | | 3 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | UNUSUAL EVENT DECLARED DUE TO SUSQUEHANNA RIVER ELEVATION > 111' AND A FLOW | | RATE OF 535,000 CUBIC FEET/SECOND. | | | | CONOWINGO DAM LOCATED DOWNSTREAM OF PEACH BOTTOM IS HAVING DIFFICULTIES | | CONTROLLING SUSQUEHANNA RIVER LEVEL AND FLOW RATE. CONOWINGO DAM ISSUED A | | FLOOD WARNING TO PEACH BOTTOM EARLY THIS AFTERNOON. PEACH BOTTOM EMERGENCY | | PROCEDURES STATES THAT IF SUSQUEHANNA RIVER ELEVATION IS > 111' AND ITS | | FLOW RATE IS > 600,000 CUBIC FEET/SECOND THEN THEY MUST DECLARE AN UNUSUAL | | EVENT. SUSQUEHANNA RIVER ELEVATION AT PEACH BOTTOM AS OF 1717 EST IS 111.6' | | AND THE RIVER FLOW RATE IS 535,000 CUBIC FEET/SECOND. RIVER LEVEL AND FLOW | | RATE HAS BEEN INCREASING SLOWLY FOR THE PAST SEVERAL HOURS. LICENSEE | | CONSERVATIVELY DECLARED AN UNUSUAL EVENT CLASSIFICATION BECAUSE THE RIVER | | LEVEL AND FLOW RATE IS SLOWLY INCREASING. LICENSEE DID NOT KNOW WHAT | | ELEVATION THE SUSQUEHANNA RIVER WAS SUPPOSED TO CREST AT. LICENSEE ENTERED | | THEIR NORMAL REACTOR PLANT SHUTDOWN PROCEDURES (GP-3) AND THEY WILL SHUT | | DOWN BOTH UNITS WITHIN 8 HOURS IF THE RIVER ELEVATION CONTINUES TO | | INCREASE. IF THE ELEVATION OF SUSQUEHANNA RIVER REACHES 112' THEY WILL HAVE | | TO IMMEDIATELY SHUT DOWN BOTH UNITS. | | EMERGENCY DIESEL GENERATORS AND THE EMERGENCY CORE COOLING SYSTEMS ARE | | FULLY OPERABLE IF NEEDED. THE ELECTRICAL GRID IS STABLE. LICENSEE NOTIFIED | | THE STATE OF THIS EVENT. | | | | LICENSEE NOTIFIED THE RESIDENT INSPECTOR OF THIS EVENT. | | | | * * * UPDATE AT 1632 EST ON 1/21/96 FROM THARPE TAKEN BY KARSCH * * * | | THE LICENSEE TERMINATED THEIR UNUSUAL EVENT AT 1620 EST. RIVER LEVEL HAS | | RECEDED AND FLOWS DECLINED. THE FLOOD CREST HAS PASSED. THE DAMS ABOVE | | AND BELOW THE PLANT ARE SUCCESSFULLY REGULATING RIVER LEVELS AND FLOWS. THE | | LICENSEE WILL CONDUCT MAINTENANCE ON THEIR WATER BOXES AND COMMENCE POWER | | ASCENSION. THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. R1DO (JOYNER), | | NRR EO (HEBDON), AND FEMA (WRIGHT) NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29869 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: ZION REGION: 3 |NOTIFICATION DATE: 01/20/96 | |UNIT: [1] [ ] [ ] STATE: IL |NOTIFICATION TIME: 18:39 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 01/20/96 | +------------------------------------------------+EVENT TIME: 16:37[CST]| |NRC NOTIFIED BY: D RAASCH |LAST UPDATE DATE: 01/20/96 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |BRUCE JORGENSEN 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 +------------------------------------------------------------------------------+ | RESIDUAL HEAT REMOVAL (RHR) PUMP "B" ACCIDENTLY STARTED AND RAN FOR 8 | | MINUTES BEFORE IT WAS SECURED. NO DAMAGE TO THE PUMP. | | | | DURING PERFORMANCE OF PERIODIC TEST, PT 10-3 (CONTAINMENT ISOLATION PHASE | | "B" TESTING) ON DIVISION 18 (TRAIN B) A SAFETY INJECTION (SI) TIMER FAILED | | TO CYCLE BACK TO ITS RESET POSITION. | | THE SYSTEM ENGINEER WAS INSTRUCTED TO WALKDOWN SI TIMERS DUE TO THE ABOVE | | MENTIONED SI TIMER FAILING TO RESET. THE SYSTEM ENGINEER WAS INSTRUCTED NOT | | TO ACCIDENTALLY TOUCH THE RELAY CONTACTS. WHILE WALKING DOWN THE DIVISION | | 18 TRAIN B RELAYS THE SYSTEM ENGINEER INADVERTENTLY ACTUATED DIVISION 18 | | TRAIN B RELAYS FOR RHR "B" PUMP BY TOUCHING ITS RELAY CONTACTS. RHR "B" | | PUMP RAN FOR 8 MINUTES ON RECIRCULATION FLOW BEFORE IT WAS SECURED. RHR "B" | | PUMP WAS NOT DAMAGED AND IS CONSIDERED FULLY OPERABLE. | | | | RESIDENT INSPECTOR WAS INFORMED BY THE LICENSEE OF THIS EVENT. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29870 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: INDIAN POINT REGION: 1 |NOTIFICATION DATE: 01/20/96 | |UNIT: [ ] [3] [ ] STATE: NY |NOTIFICATION TIME: 20:16 [ET]| |RX TYPE: [2] W-4-LP,[3] W-4-LP |EVENT DATE: 01/20/96 | +------------------------------------------------+EVENT TIME: 18:45[EST]| |NRC NOTIFIED BY: JORDAN/BARRETT |LAST UPDATE DATE: 01/20/96 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JIM JOYNER RDO | |AESF 50.72(b)(2)(ii) ESF ACTUATION |FRED HEBDON EO | | |HENRY BAILEY AEOD | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | LOSS OF OFFSITE POWER. ALL THREE OF EMERGENCY DIESEL GENERATORS (EDGs) AUTO | | STARTED BUT ONE OF THE EDGs FAILED TO LOAD ONTO ITS BUS. | | | | INITIAL CONDITIONS: REACTOR HAS BEEN SHUTDOWN SINCE SEPTEMBER, 1995. | | REACTOR COOLANT TEMPERATURE IS 170øF. BUBBLE IN THE PRESSURIZER. WORK WAS | | BEING PERFORMED ON IN-HOUSE TRANSFORMER BETWEEN 6900V BUS 3 AND 480V BUS | | 3A. REACTOR COOLANT PUMP WAS OPERATING AND RESIDUAL HEAT REMOVAL (RHR) PUMP | | 31 WAS OPERATING. | | | | AT 1845 EST PLANT LOST OFFSITE POWER FROM ITS NORMAL OFFSITE 138KV FEEDER. | | PHASE-TO-GROUND AND PHASE-TO-PHASE FLAGS WERE RECEIVED. THE OTHER 138KV | | LINE BETWEEN THE INDIAN POINT 2 AND INDIAN POINT 3 TIE BREAKER OPENED. EDGs | | 31, 32, & 33 AUTOMATICALLY STARTED ON THE LOSS OF OFFSITE POWER. EDG 31 | | BREAKER FAILED TO CLOSE ONTO ITS RESPECTIVE 480V BUS (2A). EDG 31'S FAILURE | | TO CLOSE ONTO ITS BUS CAUSED A LOSS OF POWER TO VITAL BUSES 2A & 3A. UPON | | THE LOSS OF OFFSITE POWER, RHR COOLING WAS LOST FOR ABOUT 5 MINUTES BEFORE | | RHR PUMP 32 WAS PLACED IN SERVICE. THE SAFETY INJECTION PUMP WHICH RECEIVES | | ITS POWER FROM BUS 2A WAS ALSO LOST. THE OTHER TWO SAFETY INJECTION PUMPS | | ARE OPERABLE. LICENSEE SAID THAT IT WOULD TAKE 5.6 DAYS WITH A COMPLETE | | LOSS OF POWER BEFORE BOILING IN THE CORE WOULD START. COOLING WAS NOT LOST | | TO THE SPENT FUEL POOL. | | THE LICENSEE IS PREPARING TO BRING IN 13.8KV OFFSITE POWER VIA 13W93. ALSO | | OFFSITE 13.8KV POWER FROM 13W92 IS AVAILABLE IF NEEDED. THIS IS SUFFICIENT | | POWER TO START A REACTOR COOLANT PUMP IF IT IS NEEDED. LICENSEE WILL NOT | | BRING IN 138KV OFFSITE POWER UNTIL THE LOSS OF OFFSITE POWER IS FULLY | | UNDERSTOOD. | | LICENSEE HAS I&C PERSONNEL INVESTIGATING WHY EDG 31 AND ITS ASSOCIATED | | OUTPUT BREAKER DID NOT FUNCTION PROPERLY. THE LICENSEE SAID THAT THEY HAVE | | HAD PAST PROBLEMS WITH THIS BREAKER. INDIAN POINT UNIT 2 IS AT 100% POWER | | AND THEY HAVE AT LEAST TWO SOURCES OF OFFSITE POWER. | | | | RESIDENT INSPECTOR WAS INFORMED BY THE LICENSEE OF THIS EVENT. | | | | | | ***UPDATE 01/20/95 @ 2337 EST BY JORDAN TAKEN BY MACKINNON*** | | | | OFFSITE POWER FROM 13W93 (13.8KV) WAS RESTORED TO THE 2A & 3A BUSES AT 2110 | | EST. OFFSITE POWER FROM 13W93 (13.8KV) WAS RESTORED TO BUSES 5A & 6A AT | | 2229 EST AND THEN EDGs 32 & 33 WERE SECURED. EDG 31 OUTPUT BREAKER HAS BEEN | | DETERMINED TO BE INOPERABLE. I&C WILL TROUBLESHOOT THE BREAKER. THE | | LICENSEE IS STILL INVESTIGATING WHY NORMAL OFFSITE POWER WAS LOST. RI WAS | | INFORMED BY THE LICENSEE. R1DO (JOYNER) NOTIFIED. | | | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29871 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PALO VERDE REGION: 4 |NOTIFICATION DATE: 01/21/96 | |UNIT: [ ] [2] [ ] STATE: AZ |NOTIFICATION TIME: 15:47 [ET]| |RX TYPE: [1] CE,[2] CE,[3] CE |EVENT DATE: 01/21/96 | +------------------------------------------------+EVENT TIME: 11:30[MST]| |NRC NOTIFIED BY: BRAD EKLUND |LAST UPDATE DATE: 01/21/96 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PHIL HARRELL RDO | |ARPS 50.72(b)(2)(ii) RPS ACTUATION | | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | A/R Y 100 POWER OPERATION | 0 HOT STANDBY | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | REACTOR TRIP ON LOW STEAM GENERATOR WATER LEVEL IN ONE STEAM GENERATOR. | | | | THE LICENSEE WAS VALVING THE "C" CONDENSATE PUMP BACK INTO NORMAL ALIGNMENT | | FOLLOWING MAINTENANCE ACTIVITIES. ALL THREE CONDENSATE PUMPS SHARE A | | COMMON SUCTION HEADER. THE OTHER TWO CONDENSATE PUMPS LOST DISCHARGE | | PRESSURE RESULTING IN LOSS OF FLOW TO THE MAIN FEED PUMPS. CONSEQUENTLY, | | BOTH FEED PUMPS TRIPPED ON LOW SUCTION PRESSURE, RESULTING IN A DECREASE IN | | LEVEL IN BOTH STEAM GENERATORS. THE REACTOR TRIPPED AT 11:30 DUE TO LOW | | LEVEL IN STEAM GENERATOR "1". AUXILIARY FEED WATER ACTUATED ON AFAS 1 & 2 | | AT THE DESIGN SET POINTS AND RESTORED FEED WATER FLOW TO BOTH STEAM | | GENERATORS. | | | | ALL CONTROL RODS INSERTED FULLY FOLLOWING THE TRIP. DECAY HEAT REMOVAL IS | | VIA BYPASS TO THE MAIN CONDENSER. OFF-SITE POWER IS STABLE. THE LICENSEE | | SUSPECTS THAT THE "C" CONDENSATE PUMP WAS NOT ADEQUATELY FILLED AND VENTED | | PRIOR TO ITS RETURN TO SERVICE. THE LICENSEE INFORMED THE NRC RESIDENT | | INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29872 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: INDIAN POINT REGION: 1 |NOTIFICATION DATE: 01/21/96 | |UNIT: [ ] [3] [ ] STATE: NY |NOTIFICATION TIME: 19:10 [ET]| |RX TYPE: [2] W-4-LP,[3] W-4-LP |EVENT DATE: 01/21/96 | +------------------------------------------------+EVENT TIME: 16:00[EST]| |NRC NOTIFIED BY: STEVE SMITH |LAST UPDATE DATE: 01/21/96 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JAMES JOYNER RDO | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | |NLCO TECH SPEC LCO A/S | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | AN UNDERVOLTAGE SIGNAL CAUSED BY A DISLODGED FUSE INITIATED STRIPPING OF | | TWO SAFETY BUSES AND A START SIGNAL FOR AN EMERGENCY DIESEL GENERATOR | | (EDG). | | | | THE LICENSEE IS WORKING ON THEIR STATION AUXILIARY TRANSFORMER. WHILE | | ATTEMPTING TO REMOVE A FUSE ASSOCIATED WITH THIS WORK, A FUSE FEEDING THE | | UNDERVOLTAGE RELAY BECAME DISLODGED. ALTHOUGH NORMAL POWER WAS NOT LOST, | | AN UNDERVOLTAGE SIGNAL WAS GENERATED WHICH STRIPPED SAFETY BUSES "2A" AND | | "3A" FROM BUS "2". THIS ALSO INITIATED A START SIGNAL FOR EDG "31", WHICH | | DID NOT START BECAUSE IT HAD BEEN TAKEN OUT OF SERVICE. SAFETY BUSES "5A" | | AND "6A" REMAINED ENERGIZED. RHR PUMP "32" WAS REMOVING DECAY HEAT. POWER | | TO RHR PUMP "31" WAS LOST. OPERABILITY OF THIS PUMP IS REQUIRED BY TECH | | SPEC 3.3.A.7. IT WAS IN "AUTOMATIC" AT THE TIME. LICENSEE CORRECTIVE | | ACTION TO REPLACE THE FUSE AND RELOAD SAFETY BUSES "2A" AND "3A" TO BUS "2" | | WAS COMPLETED AT 1655 EST. THE LICENSEE INFORMED THE NRC RESIDENT | | INSPECTOR. THIS EVENT IS NOT RELATED TO EVENT 29870. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29873 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BROWNS FERRY REGION: 2 |NOTIFICATION DATE: 01/21/96 | |UNIT: [1] [2] [ ] STATE: AL |NOTIFICATION TIME: 23:09 [ET]| |RX TYPE: [1] GE-4,[2] GE-4,[3] GE-4 |EVENT DATE: 01/21/96 | +------------------------------------------------+EVENT TIME: 19:42[CST]| |NRC NOTIFIED BY: DON SMITH |LAST UPDATE DATE: 01/21/96 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |THOMAS DECKER 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 REFUELING | 0 REFUELING | | 2 | N Y 90 POWER OPERATION | 90 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | UNANTICIPATED AUTO-START OF AN EMERGENCY DIESEL GENERATOR (EDG) COMMON TO | | UNITS 1 & 2. | | | | THE SHARED UNIT 1 & 2 "B" EDG AUTO-STARTED UNEXPECTEDLY WHILE A TECHNICIAN | | WAS PERFORMING A ROUTINE CIRCUIT CHECK ON THE LOCAL PANEL. THE EDG DID NOT | | TIE ONTO THE SHUTDOWN BOARD SINCE NORMAL SUPPLY VOLTAGE WAS AVAILABLE. THE | | CAUSE OF THE START MIGHT BE A SHORT IN AN ALARM CIRCUIT. THE LICENSEE | | INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+