U.S. Nuclear Regulatory Commission Operations Center Event Reports For 09/21/98 - 09/22/98 ** EVENT NUMBERS ** 34797 34807 34812 34813 34814 34815 34816 34817 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34797 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 09/18/98 | |UNIT: [ ] [ ] [3] STATE: CT |NOTIFICATION TIME: 12:01 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 09/18/98 | +------------------------------------------------+EVENT TIME: 11:46[EDT]| |NRC NOTIFIED BY: BOB SMITH |LAST UPDATE DATE: 09/21/98 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |DAN HOLODY RDO | |ASHU 50.72(b)(1)(i)(A) PLANT S/D REQD BY TS | | |NLCO TECH SPEC LCO A/S | | |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 30 POWER OPERATION | 30 POWER OPERATION | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | -TECH SPEC REQUIRED PLANT SHUTDOWN DUE TO INOPERABLE SERVICE WATER SYSTEM- | | | | DURING A TECH SPEC SURVEILLANCE TEST OF THE PLANT SERVICE WATER SYSTEM, | | FOUR HYPOCHLORITE CHECK VALVES (TWO PER TRAIN) FAILED TO HOLD AND WERE | | LEAKING BY. THE LICENSEE DECLARED BOTH TRAINS OF THE PLANT SERVICE WATER | | SYSTEM INOPERABLE EVEN THOUGH THE SYSTEM IS FUNCTIONAL. THE LICENSEE | | ENTERED TECH SPEC LCO A/S 3.0.3 WHICH REQUIRES UNIT 3 TO BE IN HOT STANDBY | | MODE WITHIN 7 HOURS. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | * * * UPDATE AT 1447 ON 09/18/98 BY BOB SMITH TO JOLLIFFE * * * | | | | AT 1446 ON 09/18/98, THE LICENSEE DECLARED THE PLANT SERVICE WATER SYSTEM, | | TRAIN 'A' OPERABLE, EXITED TECH SPEC LCO A/S 3.0.3, AND ENTERED TECH SPEC | | LCO A/S 3.7.4 (72 HOURS TO HOT STANDBY MODE) FOR THE INOPERABLE PLANT | | SERVICE WATER SYSTEM, TRAIN 'B'. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | THE NRC OPERATIONS OFFICER NOTIFIED THE R1DO DAN HOLODY. | | | | NOTE: SEE SIMILAR EVENT #34758 ON 09/10/98. | | | | * * * UPDATE AT 0944 ET ON 09/21/98 BY BOB SMITH TAKEN BY MACKINNON * * * | | | | OFFSITE NOTIFICATION TO THE CONNECTICUT DEPARTMENT OF ENVIRONMENTAL | | PROTECTION - | | | | AS A RESULT OF MULTIPLE EQUIPMENT FAILURES IN THE SODIUM HYPOCHLORITE | | (CHLORINE) INJECTION SYSTEM, MILLSTONE UNIT 3 WAS FORCED TO MOVE THE | | SERVICE WATER CHLORINE INJECTION POINT FROM THE NEWLY INSTALLED INJECTION | | POINT AT THE OUTLET OF THE SERVICE WATER STRAINERS BACK TO THE SUCTION BELL | | OF THE SERVICE WATER PUMPS. THIS MAY RESULT IN THE DISCHARGE OF RESIDUAL | | CHLORINE VIA THE SERVICE WATER STRAINER BACKWASH LINES (MAY END UP IN LONG | | ISLAND SOUND) DURING A DIFFERENTIAL PRESSURE (D/P) DRIVEN STRAINER | | BACKWASH. A PLANT TEMPORARY MODIFICATION WAS WRITTEN TO MINIMIZE THE | | NUMBER OF D/P DRIVEN BACKWASH EVENTS AND CONDITION REPORT #CR-M3-98-4178 | | WAS ALSO WRITTEN. | | | | MOVEMENT OF THE CHLORINE INJECTION POINT CONSTITUTES A BYPASS AS DEFINED IN | | THE REGULATIONS OF CONNECTICUT STATE AGENCIES. | | | | THE LICENSEE NOTIFIED THE CONNECTICUT DEPARTMENT OF ENVIRONMENTAL | | PROTECTION AND THE NRC RESIDENT INSPECTOR. | | | | THE NRC OPERATIONS OFFICER NOTIFIED THE R1DO DAN HOLODY. | | | | THE NRC RESIDENT INSPECTOR WAS NOTIFIED OF THIS EVENT BY THE LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34807 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: QUAD CITIES REGION: 3 |NOTIFICATION DATE: 09/18/98 | |UNIT: [ ] [2] [ ] STATE: IL |NOTIFICATION TIME: 19:21 [ET]| |RX TYPE: [1] GE-3,[2] GE-3 |EVENT DATE: 09/18/98 | +------------------------------------------------+EVENT TIME: 14:55[CDT]| |NRC NOTIFIED BY: JOHN REED |LAST UPDATE DATE: 09/21/98 | |HQ OPS OFFICER: DICK JOLLIFFE +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MONTE PHILLIPS 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 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | - ALL EMERGENCY CORE COOLING SYSTEMS INOPERABLE FOR 1 HOUR AND 15 MINUTES - | | | | AT 1455 CDT ON 09/18/98, INSTRUMENT MAINTENANCE TECHNICIANS WERE UNABLE | | TO COMPLETE THE UNIT 2 REACTOR VESSEL LOW LOW WATER LEVEL CALIBRATION AND | | FUNCTIONAL TECH SPEC SURVEILLANCE TEST WITHIN THE ALLOWED TWO HOURS FOR | | WATER LEVEL SWITCH #LS-2-0263-72B. BECAUSE OF THIS, THE LICENSEE DECLARED | | THE HIGH PRESSURE COOLANT INJECTION (HPCI) SYSTEM AND REACTOR CORE | | ISOLATION COOLING (RCIC) SYSTEM INOPERABLE AS REQUIRED BY TECH SPEC TABLE | | 3.2.B-1. THIS ACTION PLACED UNIT 2 IN TWO 12 HOUR-TO-HOT SHUTDOWN LCOs | | AS REQUIRED BY TECH SPEC 3.5.A, ACTIONS 3 AND 3.5.D. | | | | AT 1612 CDT ON 09/18/98, WHEN THE INITIATION SIGNAL ASSOCIATED WITH SWITCH | | #LS-2-0263-72B WAS CLEARED TO ALLOW FOR COMPLETION OF THE CALIBRATION AND | | FUNCTIONAL TEST, THE LICENSEE DECLARED THE CORE SPRAY (CS) SYSTEM, LOW | | PRESSURE COOLANT INJECTION (LPCI) SYSTEM, AND AUTOMATIC DEPRESSURIZATION | | (AD) SYSTEM INOPERABLE. THIS ACTION PLACED UNIT 2 IN THREE ADDITIONAL | | 12 HOUR-TO-HOT SHUTDOWN LCOs AS REQUIRED BY TECH SPEC 3.5.A, ACTIONS 1B, | | 2C, AND 4B. | | | | AT 1727 CDT ON 09/18/98, THE LICENSEE SATISFACTORILY COMPLETED THE SWITCH | | CALIBRATION AND FUNCTIONAL TEST, DECLARED THE SWITCH AND THE HPCI, RCIC, | | CS, LPCI, AND AD SYSTEMS OPERABLE, AND EXITED ALL SHUTDOWN LCOs. | | | | THUS, ALL EMERGENCY CORE COOLING SYSTEMS ON QUAD CITIES UNIT 2 WERE | | DECLARED INOPERABLE FOR A PERIOD OF ONE HOUR AND 15 MINUTES ON 09/18/98 | | WHILE UNIT 2 WAS OPERATING AT 100% POWER. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | * * * UPDATE AT 2220 ON 09/21/98 BY RON RUSTICK TO FANGIE JONES * * * | | | | THE LEVEL SWITCH WAS FOUND TO BE OUTSIDE THE ADMINISTRATIVE TOLERANCE BUT | | WITHIN THE TECH SPEC REQUIREMENT. THE LICENSEE REMAINED IN THE APPLICABLE | | LCOs UNTIL THE ENTIRE CALIBRATION AND FUNCTIONAL TEST WAS SATISFACTORILY | | COMPLETED. THE LOW PRESSURE EMERGENCY CORE COOLING SYSTEMS REMAINED FULLY | | FUNCTIONAL THROUGHOUT THIS EVENT. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | | | | THE NRC OPERATIONS OFFICER INFORMED THE R3DO JAMES CREED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34812 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: TURKEY POINT REGION: 2 |NOTIFICATION DATE: 09/21/98 | |UNIT: [3] [ ] [ ] STATE: FL |NOTIFICATION TIME: 01:28 [ET]| |RX TYPE: [3] W-3-LP,[4] W-3-LP |EVENT DATE: 09/21/98 | +------------------------------------------------+EVENT TIME: 00:03[EDT]| |NRC NOTIFIED BY: REIMERS |LAST UPDATE DATE: 09/21/98 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |AL BELISLE 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 | A/R Y 10 STARTUP | 0 HOT STANDBY | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | AUTOMATIC REACTOR TRIP WHILE ENTERING REFUELING OUTAGE | | | | DURING A PLANNED PLANT SHUTDOWN FOR REFUELING, INTERMEDIATE RANGE NUCLEAR | | INSTRUMENT N-35 REMAINED ABOVE 25% EQUIVALENT AMPS DURING POWER REDUCTION. | | POWER RANGE NUCLEAR INSTRUMENTS DECREASED LESS THAN 10% (#P-10 INTERLOCK | | SETPOINT). THIS ENABLED THE N-35 TRIP SIGNAL (25%) TO CAUSE AN AUTOMATIC | | REACTOR TRIP. ALL CONTROL RODS FULLY INSERTED INTO THE CORE. ALL OTHER | | SYSTEMS OPERATED PROPERLY. THE LICENSEE WILL INVESTIGATE WHY INTERMEDIATE | | RANGE NUCLEAR INSTRUMENT N-35 REMAINED ABOVE 25% EQUIVALENT AMPS. | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34813 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SEABROOK REGION: 1 |NOTIFICATION DATE: 09/21/98 | |UNIT: [1] [ ] [ ] STATE: NH |NOTIFICATION TIME: 05:54 [ET]| |RX TYPE: [1] W-4-LP |EVENT DATE: 09/21/98 | +------------------------------------------------+EVENT TIME: 01:29[EDT]| |NRC NOTIFIED BY: PAUL FREEMAN |LAST UPDATE DATE: 09/21/98 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |DAN HOLODY RDO | |NLTR LICENSEE 24 HR REPORT | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | TWO DEAD SEALS OBSERVED IN CIRCULATING WATER SYSTEM | | | | AT 0129 ON 09/21/98, THE LICENSEE OBSERVED TWO DEAD SEALS IN THE PLANT | | CIRCULATING WATER SYSTEM PUMP HOUSE FOREBAY. | | | | THIS EVENT IS A 24 HOUR NOTIFICATION BEING MADE IN ACCORDANCE WITH SECTION | | 4.1 OF THE PLANT ENVIRONMENTAL PROTECTION PLAN, APPENDIX "B", OF PLANT | | TECHNICAL SPECIFICATIONS. | | | | THE LICENSEE PLANS TO NOTIFY THE NATIONAL MARINE FISHERIES SERVICE IN | | GLOUCESTER, MASSACHUSETTS IN ACCORDANCE WITH THE REQUIREMENTS OF THE | | MARINE MAMMAL PROTECTION ACT. | | | | THE LICENSEE PLANS TO INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34814 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BRAIDWOOD REGION: 3 |NOTIFICATION DATE: 09/21/98 | |UNIT: [1] [2] [ ] STATE: IL |NOTIFICATION TIME: 12:07 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 09/20/98 | +------------------------------------------------+EVENT TIME: 17:40[CDT]| |NRC NOTIFIED BY: GREG BAKER |LAST UPDATE DATE: 09/21/98 | |HQ OPS OFFICER: FANGIE JONES +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JAMES CREED RDO | |HFIT 26.73 FITNESS FOR DUTY | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | FITNESS FOR DUTY | | | | A NON-LICENSED CONTRACTOR WAS DETERMINED TO BE UNDER THE INFLUENCE OF | | ALCOHOL. THE CONTRACTOR'S ACCESS TO THE PLANT HAS BEEN TERMINATED. | | REFER TO THE HOO LOG FOR ADDITIONAL DETAILS. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34815 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: RIVER BEND REGION: 4 |NOTIFICATION DATE: 09/21/98 | |UNIT: [1] [ ] [ ] STATE: LA |NOTIFICATION TIME: 16:40 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 09/21/98 | +------------------------------------------------+EVENT TIME: 14:45[CDT]| |NRC NOTIFIED BY: MICHAEL BRANSCUM |LAST UPDATE DATE: 09/21/98 | |HQ OPS OFFICER: FANGIE JONES +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |ELMO COLLINS 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 +------------------------------------------------------------------------------+ | POSSIBLE FUEL DEFECT REPORTED TO LOUISIANA DEPT OF ENVIRONMENTAL QUALITY. | | | | THE LICENSEE NOTIFIED THE LOUISIANA DEPARTMENT OF ENVIRONMENTAL QUALITY OF | | A POSSIBLE DEFECT IN FUEL CLADDING. THE NOTIFICATION IS REQUIRED BY PLANT | | PROCEDURES. THE POSSIBLE CLAD DEFECT WAS IDENTIFIED BY THE OFFGAS | | PRETREATMENT RADIATION MONITOR. THE MONITOR IS LOCATED UPSTREAM OF OFFGAS | | TREATMENT EQUIPMENT AND INDICATED A SMALL INCREASE FROM 80 TO 100 MILLIREM | | PER HOUR FOLLOWED BY A SUBSEQUENT RISE TO ABOUT 300 MILLIREM PER HOUR. THE | | LEVEL SINCE THEN HAS BEEN SLOWLY DECREASING. | | | | THERE HAS BEEN NO MEASURABLE INCREASE IN RADIOACTIVE RELEASES FROM THE | | PLANT AND RADIOACTIVE RELEASES REMAIN WELL BELOW THE LIMITS OF THE | | TECHNICAL REQUIREMENTS MANUAL AND 10CFR20. PLANT PERSONNEL ARE | | IMPLEMENTING SITE PROCEDURES TO ADDRESS THE ISSUE AND TAKING APPROPRIATE | | ACTIONS. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR AND NRC REGION 4. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |GENERAL INFORMATION or OTHER | |EVENT NUMBER: 34816 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: US ARMY, ROCK ISLAND, IL |NOTIFICATION DATE: 09/21/98 | | CITY: REGION: 0 |NOTIFICATION TIME: 18:04 [ET]| | COUNTY: STATE: |EVENT DATE: 09/21/98 | |LICENSE#: 12-00722-06 AGREEMENT: |EVENT TIME: 16:00[ ]| | DOCKET: |LAST UPDATE DATE: 09/21/98 | | +-----------------------------+ | |PERSON ORGANIZATION| | |JAMES CREED RDO | | |JOSEPHINE PICCONE EO | +------------------------------------------------+ | |NRC NOTIFIED BY: JEFF HAVENNER | | |HQ OPS OFFICER: FANGIE JONES | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |BAB1 20.2201(a)(1)(i) LOST/STOLEN LNM>1000X | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THREE CHEMICAL AGENT DETECTORS CONTAINING RADIOACTIVE SOURCES ARE MISSING | | | | THREE M43-A1 CHEMICAL AGENT DETECTORS WITH 250 ęCi AMERICIUM-241 SOURCES | | WERE REPORTED MISSING TO ROCK ISLAND ON 09/21/98. THE DETECTORS HAD BEEN | | LAST RECORDED AS TURNED INTO A SIGNAL MAINTENANCE SHOP IN KOREA BETWEEN | | JUNE 1996 TO FEBRUARY 1997. A REPORT OF SURVEY WAS ISSUED ON 05/28/98. AN | | INVESTIGATION IS ONGOING TO LOCATE THE DETECTORS. | | | | THE LICENSEE CHARACTERIZED THE HEALTH RISKS ASSOCIATED WITH THE DETECTORS | | AS MINIMAL. THE AMERICIUM-241 SOURCE IS A LONG LIVED ALPHA EMITTER AND | | THERE IS NO INDICATION THAT THE SOURCES WERE LEAKING WHEN THEY WERE TURNED | | INTO THE SIGNAL MAINTENANCE SHOP. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 34817 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MONTICELLO REGION: 3 |NOTIFICATION DATE: 09/21/98 | |UNIT: [1] [ ] [ ] STATE: MN |NOTIFICATION TIME: 21:24 [ET]| |RX TYPE: [1] GE-3 |EVENT DATE: 09/21/98 | +------------------------------------------------+EVENT TIME: 17:00[CDT]| |NRC NOTIFIED BY: DUANE SCHMIDT |LAST UPDATE DATE: 09/21/98 | |HQ OPS OFFICER: FANGIE JONES +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |JAMES CREED RDO | |AINA 50.72(b)(2)(iii)(A) POT UNABLE TO SAFE SD | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | HIGH PRESSURE COOLANT INJECTION (HPCI) SYSTEM DECLARED INOPERABLE. | | | | DURING PLANNED MAINTENANCE ON VALVE #CV-2046A TO CHECK A PACKING LEAK, | | AN OPERATOR DISCOVERED A THROUGH-WALL PINHOLE LEAK ON THE HPCI SYSTEM | | DRAIN LINE BYPASS VALVE ON THE HPCI INLET STEAM LINE DRAIN POT, #CV-2043. | | THE LICENSEE DECLARED THE #CV-2043 VALVE INOPERABLE WHICH LED TO DECLARING | | THE HPCI SYSTEM INOPERABLE, THOUGH STILL FUNCTIONAL. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+