U.S. Nuclear Regulatory Commission Operations Center Event Reports For 04/28/94 - 04/29/94 ** EVENT NUMBERS ** 27178 27179 27180 27181 27182 27183 27184 27185 +----------------------------------+ +-----------------------+ |HOSPITAL | |EVENT NUMBER: 27178 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: GEISINGER MEDICAL CENTER |NOTIFICATION DATE: 04/28/94 | | CITY: DANVILLE REGION: 1 |NOTIFICATION TIME: 10:12 [ET]| | COUNTY: STATE: PA |EVENT DATE: 04/27/94 | |LICENSE#: 3701421-04 AGREEMENT: N |EVENT TIME: 16:30[EDT]| | DOCKET: |LAST UPDATE DATE: 04/28/94 | | +-----------------------------+ | |PERSON ORGANIZATION| | |PETER ESELGROTH RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: ADERKO | | |HQ OPS OFFICER: CHAUNCEY GOULD | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |IBBF 30.50(b)(2)(ii) EQUIP DISABLED/FAILS | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE GEISINGER MEDICAL CENTER REPORTED THE FAILURE OF A COBALT 60 | | TELETHERAPY DEVICE. | | | | IT WAS DISCOVERED DURING THEIR ROUTINE MONTHLY OUTPUT CHECK OF THE COBALT | | 60 TELETHERAPY MACHINE, THAT THERE WERE INDICATIONS THE SOURCE DRAWER HAD | | FAILED. THEY RECEIVED INDICATIONS(POSITION LIGHTS ON DEVICE DID NOT GO OUT) | | THAT THE SOURCE WAS NOT FULLY RETRACTED INTO THE SHIELDED POSITION. THEY | | TOOK A RAD SURVEY, BUT DID NOT RECEIVE ANY ABNORMAL RADIATION READINGS. | | THEY ARE ASSUMING THAT THE SOURCE IS ALMOST IN THE SHIELDED POSITION, BUT | | NOT ENOUGH TO TRIGGER THE POSITION LIGHTS TO GO OUT. THEY HAVE ISOLATED THE | | DEVICE FROM ALL PERSONNEL AND ARE AWAITING FOR THE MANUFACTURER'S | | REPRESENTATIVE TO ARRIVE SO THAT REPAIRS CAN BE MADE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27179 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 04/28/94 | |UNIT: [ ] [2] [ ] STATE: CT |NOTIFICATION TIME: 12:45 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 04/28/94 | +------------------------------------------------+EVENT TIME: 12:35[EDT]| |NRC NOTIFIED BY: NELSON |LAST UPDATE DATE: 04/28/94 | |HQ OPS OFFICER: TIM McGINTY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PETER ESELGROTH 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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | FOUR PROBLEMS ON THE "B" EDG FOUND DURING ROUTINE 18 MONTH SURVEILLANCE. | | | | THE LICENSEE IS CURRENTLY PERFORMING AN EIGHTEEN MONTH SURVEILLANCE ON THE | | "B" EDG. THEY HAVE FOUND FOUR PROBLEMS WITH THE "B" EDG SINCE THEY BEGAN | | THE INSPECTION: | | | | 1. A CLEARANCE PROBLEM ON THE BLOWER | | | | 2. AN AIR DISTRIBUTION PROBLEM | | | | 3. A LEAKING SLEEVE PROBLEM | | | | 4. BEARING PROBLEMS | | | | THE BLOWER CLEARANCE PROBLEM IS THE MOST SIGNIFICANT IN TERMS OF PAST | | OPERABILITY OF THE EDG, SINCE THE LICENSEE IS UNCERTAIN IF THE EDG COULD | | HAVE PERFORMED ITS DESIGNED FUNCTION OF RUNNING CONTINUOUSLY FOR SEVEN | | DAYS. THE 50.72 REPORT IS BEING MADE SPECIFICALLY FOR THE BLOWER CLEARANCE | | PROBLEM, WITH THE OTHER PROBLEMS MENTIONED FOR COMPLETENESS (WOULD NOT | | AFFECT THE OPERABILITY OF THE EDG). THE CALLER DID NOT HAVE ANY ADDITIONAL | | SPECIFIC DETAILS AVAILABLE TO HIM, BUT OFFERED TO FIND A MORE KNOWLEDGEABLE | | PERSON, IF DESIRED. | | | | SINCE THE UNIT IS IN COLD SHUTDOWN, THE PLANT IS NOT IN A T/S LCO BECAUSE | | THE "A" EDG IS FULLY OPERABLE. THE LICENSEE INTENDS TO REPAIR THE PROBLEMS | | PRIOR TO UNIT STARTUP. THE LICENSEE DOES NOT CONSIDER THE "A" EDG TO BE | | SUSCEPTIBLE TO THE SAME PROBLEMS. THE LICENSEE INFORMED THE RESIDENT | | INSPECTOR AND THE STATE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27180 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SALEM REGION: 1 |NOTIFICATION DATE: 04/28/94 | |UNIT: [1] [ ] [ ] STATE: NJ |NOTIFICATION TIME: 15:39 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 04/28/94 | +------------------------------------------------+EVENT TIME: 15:15[EDT]| |NRC NOTIFIED BY: GALLAHER |LAST UPDATE DATE: 04/28/94 | |HQ OPS OFFICER: TIM McGINTY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PETER ESELGROTH RDO | |AARC 50.72(b)(1)(v) OTHER ASMT/COMM INOP | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LOSS OF "P-250" COMPUTER FOR GREATER THAN 24 HOURS DUE TO A FAILED PHASE ON | | THE INPUT BREAKER AND A NOISY ALTERNATE SOURCE OF POWER. | | | | THE LICENSEE REPORTED THE LOSS OF THE "P-250" COMPUTER FOR GREATER THAN 24 | | HOURS. THE "P-250" COMPUTER PROVIDES LEAK RATE ASSESSMENT, SEQUENCE OF | | EVENT DATA FROM A TRIP AND GENERAL DATA ON PLANT EQUIPMENT. THE DC INPUT | | BREAKER "CB-5", A 3 PHASE DC INPUT BREAKER, HAD PHASE "A" FAIL OPEN | | YESTERDAY. BREAKER PROTECTION FAILED TO TRIP THE BREAKER OPEN ON PHASE "A" | | OPEN CIRCUIT, WHICH ALLOWED THE INVERTER WHICH POWERS THE "P-250" COMPUTER | | TO ONLY BE ON TWO PHASES. THE INVERTER IS A 3 PHASE INVERTER, AND THIS | | CAUSED THE "P-250" COMPUTER TO SHUT DOWN. THE PLANT IS IN COLD SHUTDOWN | | AND THUS HAS NOT ENTERED ANY LCO's FOR THE "P-250" COMPUTER BEING | | INOPERABLE. | | | | THE ALTERNATE POWER SOURCE FOR THE "P-250" COMPUTER HAD NOISE, WHICH WOULD | | NOT ALLOW THE COMPUTER TO RESTART. AT PRESENT, A REPLACEMENT BREAKER HAS | | BEEN PROCURED AND TROUBLESHOOTING OF THE NOISY ALTERNATE SUPPLY IS ALSO IN | | PROGRESS. THE LOSS OF THE "P-250" COMPUTER DOES NOT CAUSE ANY ADVERSE | | OPERATING CONDITIONS OR CONCERNS. BACKUP ASSESSMENT CAPABILITY IS STILL | | AVAILABLE VIA THE "DORIC" SYSTEM (A BACKUP TEMPERATURE MONITORING SYSTEM), | | THE SPDS, AND THE AUXILIARY TYPEWRITER FOR ALARMS ON EQUIPMENT. THEY ARE | | CONFIDENT THAT THE SYSTEM WILL BE RESTORED IN THE NEXT COUPLE OF HOURS. | | | | THE LICENSEE INFORMED THE RESIDENT INSPECTOR, AND WILL BE CONTINUING TO | | INVESTIGATE THE PROBLEM. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27181 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: INDIAN POINT REGION: 1 |NOTIFICATION DATE: 04/28/94 | |UNIT: [2] [ ] [ ] STATE: NY |NOTIFICATION TIME: 17:28 [ET]| |RX TYPE: [2] W-4-LP,[3] W-4-LP |EVENT DATE: 04/28/94 | +------------------------------------------------+EVENT TIME: 12:00[EDT]| |NRC NOTIFIED BY: JIM READY |LAST UPDATE DATE: 04/28/94 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |PETER ESELGROTH RDO | |NLTR LICENSEE 24 HR REPORT | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 2 | N Y 90 POWER OPERATION | 90 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | ALL FIRE PUMPS WERE PLACED IN "OFF" AS REQUIRED BY AN ANNUAL TEST | | PROCEDURE. | | | | AT 1200 EDT ON 4/28/94, UNIT 2 ENTERED A 24 HOUR LCO PER TS 3.13.A.3.a | | WHILE PERFORMING TEST "TT-A22" (FIRE PROTECTION SYSTEM FLOW TEST). THIS | | TEST IS REQUIRED BY TS 4.14.A.1.m, BY THE NRC EVERY THREE YEARS AND THE | | INSURANCE COMPANY ANNUALLY. THIS TEST REQUIRED PLACING ALL FIRE PUMPS IN | | "OFF" (HAVE ONE DIESEL, TWO BOOSTER AND TWO PRESSURE MAINTENANCE PUMPS). | | ALL FIRE PUMPS WERE RETURNED TO AUTOMATIC AT 1555 EDT, AND THE LCO WAS | | EXITED. THE TEST WAS COMPLETED SATISFACTORILY. THE LICENSEE WILL INFORM | | THE RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27182 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DIABLO CANYON REGION: 4 |NOTIFICATION DATE: 04/28/94 | |UNIT: [1] [2] [ ] STATE: CA |NOTIFICATION TIME: 18:38 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 04/27/94 | +------------------------------------------------+EVENT TIME: 10:30[PDT]| |NRC NOTIFIED BY: DYE |LAST UPDATE DATE: 04/28/94 | |HQ OPS OFFICER: TIM McGINTY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CHARLES CAIN RDO | |NLTR LICENSEE 24 HR REPORT | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | GREEN SEA TURTLE (ALIVE) FOUND IN THE INTAKE STRUCTURE. | | | | THE LICENSEE MADE A 24 HOUR REPORT AS REQUIRED BY THE ENVIRONMENTAL | | PROTECTION PLAN (APPENDIX B) OF THE OPERATING LICENSE. SPECIFICALLY, | | SECTION 4.1 OF APPX B APPLIES, REGARDING AN UNUSUAL OCCURRENCE RESULTING IN | | SIGNIFICANT ENVIRONMENTAL IMPACT. THE UNUSUAL OCCURRENCE INVOLVES A | | PROTECTED SPECIES AS PROTECTED UNDER THE ENDANGERED SPECIES ACT OF 1973. | | | | A GREEN SEA TURTLE (CHELONIA MYDAS) WAS DISCOVERED IN THE INTAKE STRUCTURE. | | THE TURTLE WAS STUCK ON A BAR RACK WHERE THE PUMPS DRAW CIRCULATING WATER. | | THE LICENSEE RESCUED THE TURTLE WITH A NET AND TOOK IT BY BOAT, RELEASING | | HIM A HALF MILE SOUTH OF THE INTAKE COVE. THE TURTLE WAS OBSERVED TO SWIM | | STRONGLY FOR 100 YARDS, TAKE SEVERAL BREATHS AND DIVED BELOW THE SURFACE. | | GENERALLY, THE TURTLE IS FOUND SOUTH OF SAN DIEGO, AND NOT OFTEN THIS FAR | | NORTH. | | | | THE EVENT IS SPECIFIED AS A 24 HOUR REPORT IN THE FACILITY OPERATING | | LICENSE, AND THEY ARE LATE IN REPORTING BECAUSE THEY HAVE BEEN TRYING TO | | ASCERTAIN THE REPORTABILITY REQUIREMENTS. THE CALLER NOTED THAT REGULATORY | | COMPLIANCE HAS DISCOVERED THAT EASTERN UTILITIES HAVE PREVIOUSLY REPORTED | | SUCH EVENTS, AND THUS THEY DECIDED TO REPORT IT. THE LICENSE DOES NOT | | REQUIRE NOTIFICATION OF ANY OTHER AGENCIES (SEVERAL SIMILAR EVENTS AT SALEM | | OCCURRED IN 1991, AND WERE REPORTED AS 50.72 OFF-SITE NOTIFICATIONS DUE TO | | CALLS MADE TO MARINE MAMMAL AND WILDLIFE AGENCIES). | | | | THE LICENSEE WILL INFORM THE RESIDENT INSPECTOR, AND WILL ISSUE A 30 DAY | | FOLLOW-UP REPORT. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27183 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PALISADES REGION: 3 |NOTIFICATION DATE: 04/29/94 | |UNIT: [1] [ ] [ ] STATE: MI |NOTIFICATION TIME: 00:52 [ET]| |RX TYPE: [1] CE |EVENT DATE: 04/28/94 | +------------------------------------------------+EVENT TIME: 21:44[EDT]| |NRC NOTIFIED BY: BENSON |LAST UPDATE DATE: 04/29/94 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: | | |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 N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT DISCOVERED A CONDITION WHERE SOME OF THEIR INSTRUMENT TUBING MAY | | NOT MEET SEISMIC DESIGN CRITERIA. | | | | DURING A WALKDOWN OF THE PRIMARY COOLANT PUMP SEAL PRESSURE INSTRUMENT | | TUBING, THEY DISCOVERED THAT SOME OF THE TUBING IS NOT PROPERLY MOUNTED IN | | ACCORDANCE WITH THE PLANT SEISMIC DESIGN CRITERIA. BECAUSE OF THIS, THEY | | ARE UNCERTAIN THAT THE LINE WILL SURVIVE A SEISMIC EVENT. IF THE LINE DID | | FAIL, THEY WOULD HAVE A CONDITION OF A SMALL BREAK LOCA. THE CAUSE OF WHY | | THE TUBING IS NOT PROPERLY MOUNTED IS BEING INVESTIGATED. AN ANALYSIS IS | | ALSO BEING MADE TO VERIFY WHETHER OR NOT THE TUBING COULD MEET THE SEISMIC | | DESIGN CRITERIA IN ITS PRESENT CONFIGURATION. THIS PROBLEM WILL BE RESOLVED | | BEFORE PLANT HEATUP. THE RI WILL BE INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27184 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SALEM REGION: 1 |NOTIFICATION DATE: 04/29/94 | |UNIT: [1] [ ] [ ] STATE: NJ |NOTIFICATION TIME: 02:25 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 04/29/94 | +------------------------------------------------+EVENT TIME: 00:46[EDT]| |NRC NOTIFIED BY: VARGA |LAST UPDATE DATE: 04/29/94 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: | | |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 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE PLANT HAD AN ESF ACTUATION WHEN THEY RECEIVED AN AUTO START OF THE #11 | | MOTOR DRIVEN AUX FEEDWATER PUMP. | | | | THIS OCCURRED WHILE THEY WERE BREAKING CONDENSER VACUUM AND BOTH S/G FEED | | PUMPS RECEIVED A FIRST OUT TRIP SIGNAL WHEN VACUUM WAS REDUCED TO 0 PSIG. | | THIS FIRST OUT TRIP SIGNAL AUTOMATICALLY SENDS A START SIGNAL TO THE MOTOR | | DRIVEN AUX FEED PUMPS. THE # 11 AUX FEED PUMP BEEN TEMPORARILY RELEASED | | FOR TESTING ON THE DAY SHIFT(4/28/94) AND HAD NOT BEEN RETAGGED FOR SHIFT | | SUPERVISOR. SINCE THIS PUMP HAD NOT BEEN RETAGGED, IT STARTED ON THE AUTO | | START SIGNAL. THE PUMP WAS SECURED WITHIN 5 MINS. THE RI WAS INFORMED AND | | LAC TOWNSHIP WAS NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27185 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: SOUTH TEXAS REGION: 4 |NOTIFICATION DATE: 04/29/94 | |UNIT: [ ] [2] [ ] STATE: TX |NOTIFICATION TIME: 03:45 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 04/29/94 | +------------------------------------------------+EVENT TIME: 02:02[CDT]| |NRC NOTIFIED BY: BROWN |LAST UPDATE DATE: 04/29/94 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: | | |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 | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE REPORTED THAT THEY HAD AN ESF ACTUATION WHEN THE #21 EMERGENCY | | DIESEL GENERATOR AUTO STARTED, BUT DID NOT LOAD. | | | | THIS OCCURRED APPROXIMATELY 10 MINS AFTER I & C HAD COMPLETED A | | SURVEILLANCE ON # 21 SEQUENCER, BUT THIS SHOULD NOT HAVE CAUSED THE AUTO | | START. THEIR INITIAL INVESTIGATION HAS NOT DETERMINED THE CAUSE FOR THE | | AUTO START. D/G #21 WAS SHUT DOWN AFTER 30 MINS AND DECLARED INOPERABLE | | PENDING ENGINEERING INVESTIGATION. THEY ALSO ENTERED AN LCO ACTION | | STATEMENT WITH 2 D/G INOPERABLE(D/G #22 IS ALSO INOPERABLE BUT FUNCTIONAL) | | WHERE THEY HAVE TO SUSPEND ALL CORE ALTERATIONS AND POSITIVE REACTIVITY, | | AND WITHIN 8 HRS DEPRESSURIZE AND VENT TO A TWO INCH VENT. THEY ARE | | CURRENTLY VENTED AND THEY ARE NOT DOING ANY CORE ALTERATIONS OR POSITIVE | | REACTIVITY. THE RI WAS INFORMED. | | | +------------------------------------------------------------------------------+