U.S. Nuclear Regulatory Commission Operations Center Event Reports For 04/26/95 - 04/27/95 ** EVENT NUMBERS ** 28585 28663 28727 28728 28729 28730 +----------------------------------+ +-----------------------+ |GENERAL INFORMATION or OTHER | |EVENT NUMBER: 28585 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: INTEGRATED RESOURCES INC. |NOTIFICATION DATE: 03/24/95 | | CITY: NEBRASKA CITY REGION: 4 |NOTIFICATION TIME: 16:16 [ET]| | COUNTY: STATE: NE |EVENT DATE: 03/24/95 | |LICENSE#: AGREEMENT: Y |EVENT TIME: 16:16[CST]| | DOCKET: |LAST UPDATE DATE: 04/26/95 | | +-----------------------------+ | |PERSON ORGANIZATION| | | | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: JOHN BROSSEMER |WALT HAASS NRR | |HQ OPS OFFICER: DOUG WEAVER | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |CDEF 21.21(b)(2) DEFECTS/NONCOMPLIANCE | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | PART 21 -- POWER SUPPLIES USED IN APRMs ARE SUBJECT TO RANDOM FAILURES | | | | THE POWER SUPPLIES IN QUESTION WERE BUILT BY TDK OF JAPAN AND SUPPLIED TO | | KEPCO, INC. THE KEPCO PART NUMBER IS RMX24-D-20804. KEPCO SOLD THE PARTS | | TO GE. THE GE PART NUMBER IS 169C8805PO2. | | | | INTEGRATED RESOURCES RECEIVED THE POWER SUPPLIES FROM PERRY AND NINE MILE | | POINT TWO FOR REFURBISHMENT AND REPAIR. FOUR OF TWELVE POWER SUPPLIES HAD | | FAILED IN USE. TWO MORE FAILED DURING TESTING AT INTEGRATED RESOURCES. ALL | | FAILURES WERE CAUSED BY THE FAILURE OF TWO OUTPUT TRANSISTORS IN THE POWER | | SUPPLIES. OTHER PLANTS OF THIS VINTAGE MAY ALSO BE USING THIS POWER | | SUPPLY. WHEN THIS FAILURE OCCURS THE APRM WILL FAIL DOWNSCALE. | | | | THE CONTACT PHONE NUMBER IS 402-873-5859. INTEGRATED RESOURCES WILL | | FOLLOWUP THIS PHONE REPORT WITH A WRITTEN REPORT ON 3/27/95. | | | | * * * UPDATE 3/27/95 @ 14:19 FROM BROSEMER TAKEN BY SEBROSKY * * * | | | | INTEGRATED RESOURCES FAXED THE WRITTEN REPORT ON THIS PROBLEM TO THE NRC | | OPERATIONS CENTER. WALTER HAASS OF NRR HAS BEEN NOTIFIED. | | | | * * * UPDATE AT 1135 ON 04/26/95 FROM BROSEMER TAKEN BY HOO JOLLIFFE * * * | | | | INTEGRATED RESOURCES, INC. FAXED A STATUS REPORT OF THIS 10CFR21 REPORT TO | | THE NRR OPERATIONS CENTER. HOO NOTIFIED NRR VERN HODGE. | +------------------------------------------------------------------------------+ !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28663 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SEQUOYAH REGION: 2 |NOTIFICATION DATE: 04/11/95 | |UNIT: [1] [2] [ ] STATE: TN |NOTIFICATION TIME: 09:53 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 04/11/95 | +------------------------------------------------+EVENT TIME: 09:03[EDT]| |NRC NOTIFIED BY: HARRIS |LAST UPDATE DATE: 04/26/95 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |HOSEY RDO | |AOUT 50.72(b)(1)(ii)(B) OUTSIDE DESIGN BASIS | | |ADAS 50.72(b)(2)(i) DEG/UNANALYZED COND | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | 2 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | CONTAINMENT SUMP SWAPOVER VALVES FOUND DECLUTCHED DURING CONTAINMENT | | WALKDOWNS. | | | | THE FOLLOWING IS TEXT OF A FACSIMILE SUBMITTED BY THE LICENSEE: | | | | "A ONE-HOUR PHONE CALL FOR UNIT 1 PER 50.72(b)(1)(ii)(B) AND A FOUR-HOUR | | PHONE CALL FOR UNIT 2 PER 50.72(b)(2)(i) IS BEING MADE AS A RESULT OF THE | | DISCOVERY OF ONE TRAIN OF CONTAINMENT SUMP SWAPOVER VALVES BEING | | INOPERABLE. THE VALVES WERE FOUND IN A DECLUTCHED STATE. UNIT 1 FCV 63-73 | | (B TRAIN) AND UNIT 2 FCV 63-72 (A TRAIN) WERE DISCOVERED IN A DECLUTCHED | | STATE DURING WALKDOWN OF AN EMERGENCY INSTRUCTION. WHILE THE EXACT | | DURATION THESE VALVES WERE IN THE DECLUTCHED POSITION IS NOT KNOWN, IT IS | | ASSUMED THAT SOME [AT] TIME DURING EACH UNITS OPERATION, THE OPPOSITE TRAIN | | OF ECCS EQUIPMENT WAS INOPERABLE FOR MAINTENANCE OR OTHER REASONS. WITH | | BOTH TRAINS OF ECCS INOPERABLE, THE PLANT IS PLACED OUTSIDE DESIGN BASIS." | | | | THE LICENSEE DISCOVERED THE DECLUTCHED VALVES DURING WALKDOWNS TO VERIFY | | NEW EMERGENCY OPERATING PROCEDURES. THE MOTOR OPERATORS FOR THESE VALVES | | ARE MADE BY LIMITORQUE, BUT ARE OF A SPECIAL-USE DESIGN, AND WOULD NOT HAVE | | AUTOMATICALLY REENGAGED HAD THE VALVES BEEN GIVEN AN ELECTRICAL SIGNAL TO | | REPOSITION. THE NRC RESIDENT INSPECTOR HAS BEEN INFORMED BY THE LICENSEE. | | | | * * * UPDATE 1335 4/26/95 FROM MEADE TAKEN BY STRANSKY * * * | | | | THE LICENSEE IS RETRACTING THIS NOTIFICATION BASED UPON ADDITIONAL | | ENGINEERING REVIEW AND TESTING. THE LICENSEE TESTED THE UNIT 2 VALVE WITH | | THE DECLUTCH HANDLE IN THE DOWN (DECLUTCHED) POSITION, AND THE VALVE | | FUNCTIONED PROPERLY. THE LICENSEE HAS DETERMINED THAT THE VALVES WOULD | | HAVE FUNCTIONED PROPERLY. THE NRC RESIDENT INSPECTOR HAS BEEN INFORMED. | | NOTIFIED R2DO (FREDRICKSON). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28727 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: FARLEY REGION: 2 |NOTIFICATION DATE: 04/26/95 | |UNIT: [1] [ ] [ ] STATE: AL |NOTIFICATION TIME: 08:46 [ET]| |RX TYPE: [1] W-3-LP,[2] W-3-LP |EVENT DATE: 04/26/95 | +------------------------------------------------+EVENT TIME: 04:36[CDT]| |NRC NOTIFIED BY: OLDFIELD |LAST UPDATE DATE: 04/26/95 | |HQ OPS OFFICER: TIM McGINTY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PAUL FREDRICKSON 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 +------------------------------------------------------------------------------+ | INADVERTENT START OF THE 1B RHR PUMP WHILE HOOKING UP JUMPERS FOR TESTING. | | | | ON 4/26/95 AT 0436 CDT, FARLEY UNIT 1 HAD AN INADVERTENT ESF ACTUATION WHEN | | THE 1B RHR PUMP STARTED. THIS OCCURRED WHILE AN I&C TECHNICIAN WAS IN THE | | PROCESS OF CONNECTING JUMPERS FOR EMERGENCY DIESEL GENERATOR SEQUENCER | | TESTING, SCHEDULED TO BE PERFORMED LATER IN THE DAY. THE JUMPER | | INADVERTENTLY MADE CONTACT WITH THE WRONG TERMINAL LUG, RESULTING IN THE | | START OF THE 1B RHR PUMP. OPERATORS SECURED THE PUMP AND RE-ESTABLISHED | | THE NORMAL SYSTEM ALIGNMENT. | | | | THE LICENSEE IS PERFORMING A ROOT CAUSE EVALUATION AND INFORMED THE | | RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28728 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: INDIAN POINT REGION: 1 |NOTIFICATION DATE: 04/26/95 | |UNIT: [2] [ ] [ ] STATE: NY |NOTIFICATION TIME: 13:29 [ET]| |RX TYPE: [2] W-4-LP,[3] W-4-LP |EVENT DATE: 04/26/95 | +------------------------------------------------+EVENT TIME: 12:10[EDT]| |NRC NOTIFIED BY: SANTINI |LAST UPDATE DATE: 04/26/95 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 2 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LICENSEE NOTIFIED STATE AND COUNTY AGENCIES REGARDING SPILL OF ONE GALLON | | OF FUEL OIL IN UNIT 2 TRANSFORMER YARD. | | | | THE LICENSEE NOTIFIED THE NEW YORK STATE DEPARTMENT OF ENVIRONMENTAL | | CONSERVATION AND WESTCHESTER COUNTY DEPARTMENT OF HEALTH REGARDING THE | | DISCOVERY OF LESS THAN ONE GALLON OF #2 DIESEL FUEL OIL SPILLED IN THE UNIT | | 2 TRANSFORMER YARD. THE SPILL IS LOCATED NEAR A TEMPORARY DIESEL AIR | | COMPRESSER. LICENSEE PERSONNEL ARE PRESENTLY CLEANING UP THE SPILL. THERE | | HAS BEEN NO DISCHARGE OF FUEL OIL TO THE RIVER AS A RESULT OF THIS SPILL. | | THE NRC RESIDENT INSPECTOR HAS BEEN INFORMED OF THIS NOTIFICATION BY THE | | LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28729 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DRESDEN REGION: 3 |NOTIFICATION DATE: 04/26/95 | |UNIT: [ ] [2] [ ] STATE: IL |NOTIFICATION TIME: 17:37 [ET]| |RX TYPE: [1] GE-1,[2] GE-3,[3] GE-3 |EVENT DATE: 04/26/95 | +------------------------------------------------+EVENT TIME: 13:30[CDT]| |NRC NOTIFIED BY: SCOTT |LAST UPDATE DATE: 04/26/95 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |ROGER LANKSBURY RDO | |AIND 50.72(b)(2)(iii)(D) ACCIDENT MITIGATION | | |NLCO TECH SPEC LCO A/S | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N Y 93 POWER OPERATION | 93 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT ENTERED AN LCO ACTION STATEMENT TO BE IN COLD SHUTDOWN IN 24HRS | | DUE TO BOTH CORE SPRAY PUMPS BEING INOPERABLE. | | | | THIS WAS DETERMINED WHEN THEY DISCOVERED THAT THE FLOW TRANSMITTERS, WHICH | | CONTROL THE MINIMUM FLOW VALVES FOR BOTH CORE SPRAY PUMPS, WERE INOPERABLE | | DUE TO AN INCOMPLETE SURVEILLANCE. THE "O" RINGS HAD NOT BEEN REPLACED AS | | REQUIRED BY THE SURVEILLANCE PROCEDURE, MAKING THE TRANSMITTERS NOT | | ENVIRONMENTALLY QUALIFIED. THE FIRST TRANSMITTER WAS MADE INOPERABLE | | 4/25/95 @ 17:37 AND THE SECOND MADE INOPERABLE 4/25/95 @ 20:53 AT WHICH | | TIME BOTH CORE SPRAY LOOPS WERE DECLARED INOPERABLE. THIS CONDITION PUT | | THEM IN A 24 HR TO COLD S/D LCO ACTION STATEMENT. AT 16:06 ON 4/26/95 THE | | "B" CORE SPRAY LOOP FLOW TRANSMITTER "O" RING WAS REPLACED. THE "B" CORE | | SPRAY LOOP WAS THEN DECLARED OPERABLE, ENDING THE 24 HR S/D LCO. THEY ARE | | NOW IN A 7 DAY LCO AND ATTEMPTING TO REPAIR THE "A" LOOP FLOW TRANSMITTER. | | THE RI WAS INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 28730 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 04/26/95 | |UNIT: [ ] [ ] [3] STATE: CT |NOTIFICATION TIME: 18:42 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 04/26/95 | +------------------------------------------------+EVENT TIME: 17:15[EDT]| |NRC NOTIFIED BY: PINKOWITZ |LAST UPDATE DATE: 04/26/95 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JACK DURR RDO | |ADAS 50.72(b)(2)(i) DEG/UNANALYZED COND | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | | | | | 3 | N N 0 REFUELING | 0 REFUELING | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT DISCOVERED THAT THEY EXCEEDED THEIR CONTAINMENT LEAKAGE LIMITS | | FOR SECONDARY CONTAINMENT BOUNDARY VALVES. | | | | THIS WAS DISCOVERED DURING A LEAK RATE TEST ON THE CONTAINMENT PURGE | | VALVES. TOTAL LEAKAGE FROM THE THREE CONTAINMENT PURGE VALVES EXCEEDED THE | | TS ALLOWANCE OF .042La BY 123%. THEY ARE NOT IN ANY ACTION STATEMENT WHILE | | IN MODE 6. THEY WILL MAKE REPAIRS TO THE VALVES PRIOR TO STARTUP. THE RI | | WILL BE INFORMED. STATE AND LOCAL AGENCIES HAVE BEEN NOTIFIED. | +------------------------------------------------------------------------------+