U.S. Nuclear Regulatory Commission Operations Center Event Reports For 07/28/94 - 07/29/94 ** EVENT NUMBERS ** 27596 27598 27599 27600 27601 27602 27603 27604 +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27596 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: OCONEE REGION: 2 |NOTIFICATION DATE: 07/28/94 | |UNIT: [ ] [2] [ ] STATE: SC |NOTIFICATION TIME: 03:52 [ET]| |RX TYPE: [1] B&W-L-LP,[2] B&W-L-LP,[3] B&W-L-LP |EVENT DATE: 07/28/94 | +------------------------------------------------+EVENT TIME: 01:19[EDT]| |NRC NOTIFIED BY: OTTO KOHLER |LAST UPDATE DATE: 07/28/94 | |HQ OPS OFFICER: JOSEPH SEBROSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CHARLES CASTO RDO | |ARPS 50.72(b)(2)(ii) RPS ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | A N 0 HOT SHUTDOWN | 0 HOT SHUTDOWN | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | REACTOR TRIP SIGNAL WITH ALL RODS ALREADY INSERTED. | | | | THE FOLLOWING IS A TEXT OF A FACSIMILE FROM THE LICENSEE: | | | | "UNIT 2 WAS PROCEEDING TO COLD SHUTDOWN FOR A STEAM GENERATOR TUBE LEAK | | OUTAGE. RCS PRESSURE HAD BEEN REDUCED TO BELOW 1700 PSIG AND THE SHUTDOWN | | BYPASS HIGH PRESSURE TRIP WAS RESET TO 1710 PSIG. JUST AFTER THE CRD | | BREAKERS WERE RESET IN PREPARATION FOR WITHDRAWING CONTROL ROD GROUP 1 TO | | 50% AND BEFORE ANY ROD MOTION WAS INITIATED, AN AUTOMATIC ACTUATION OF THE | | RPS OCCURRED AT 0119 DUE TO AN INCREASE IN RCS PRESSURE. THIS INCREASE IN | | RCS PRESSURE WAS DUE TO A SLOW INCREASE IN PRESSURIZER LEVEL. RCS PRESSURE | | WAS REDUCED BELOW THE RPS ACTUATION SETPOINT, PRESSURIZER LEVEL WAS | | STABILIZED AND THE RPS WAS RESET." END OF TEXT. | | | | THE UNIT WAS JUST ABOVE COLD SHUTDOWN CONDITIONS WHEN THE TRIP OCCURRED. IN | | PREPARATION FOR COOLING THE PLANT DOWN THE LICENSEE'S PROCEDURES REQUIRE | | THAT CONTROL ROD GROUP 1 BE AT 50% TO ENSURE ADEQUATE SHUTDOWN MARGIN | | DURING THE COOLDOWN. | | | | THE LICENSEE WILL INFORM THE RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |HOSPITAL | |EVENT NUMBER: 27598 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: SINAI HOSPITAL, DETROIT MI |NOTIFICATION DATE: 07/28/94 | | CITY: DETROIT REGION: 3 |NOTIFICATION TIME: 11:26 [ET]| | COUNTY: STATE: MI |EVENT DATE: 07/28/94 | |LICENSE#: 21-00299-06 AGREEMENT: N |EVENT TIME: 08:30[EDT]| | DOCKET: |LAST UPDATE DATE: 07/28/94 | | +-----------------------------+ | |PERSON ORGANIZATION| | |ROBERT DEFAYETTE RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: DALMIA (RSO) | | |HQ OPS OFFICER: TIM McGINTY | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |LADM 35.33(a) MED MISADMINISTRATION | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE RSO AT SINAI HOSPITAL, LOCATED IN DETROIT, MI, REPORTED A POTENTIAL | | MISADMINISTRATION. | | | | A POSSIBLE MEDICAL MISADMINISTRATION OCCURRED FOR A PATIENT THAT WAS TO BE | | TREATED BY A Co-60 SOURCE IN THE AREA OF THE LEFT NECK. FOR THE TREATMENT, | | THREE-QUARTERS OF THE FIELD WAS BLOCKED BY A BEAM BLOCK. THE TREATMENT WAS | | SET UP CORRECTLY ACCORDING TO THE TREATMENT PLAN, HOWEVER THE COLLIMATOR | | WAS TURNED TO 270 DEGREES INSTEAD OF THE REQUIRED 90 DEGREES. THIS | | RESULTED IN A DOSE TO THE RIGHT ANTERIOR SUPERCLAV (SHOULDER AREA JUST | | BELOW THE NECK) INSTEAD OF THE LEFT ANTERIOR NECK. | | | | A TOTAL DOSE OF 90 CENTI-GRAYS WAS DELIVERED, AS EXPECTED. THE AREA THAT | | WAS TREATED OVER-LAPPED 50% OF THE AREA THAT WAS MEANT TO BE TREATED. THE | | NORMAL COLLIMATOR ANGLE FOR THIS TYPE OF TREATMENT IS 270 DEGREES, HOWEVER | | THIS PARTICULAR APPLICATION CALLED FOR AN ANGLE OF 90 DEGREES. THE ANGLE | | OF THE COLLIMATOR WAS HIGH-LIGHTED ON THE PAPER-WORK FOR THE PURPOSES OF | | CALLING ATTENTION TO THE COLLIMATOR ANGLE TO THE THERAPIST, BUT THE | | THERAPIST FAILED TO NOTE THIS. THIS WAS THE FIRST TIME THAT THE THERAPIST | | HAD TREATED THIS PARTICULAR PATIENT. | | | | THE RSO WILL NOTIFY THE PATIENT AND THE ATTENDING PHYSICIAN TODAY, AND WILL | | ALSO BE INFORMING THE REGION. THERE ARE NO EXPECTED ADVERSE EFFECTS TO THE | | PATIENT. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 27599 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: SYNCOR INTERNATIONAL |NOTIFICATION DATE: 07/28/94 | | CITY: HUNTINGTON REGION: 2 |NOTIFICATION TIME: 12:15 [ET]| | COUNTY: STATE: WV |EVENT DATE: 07/25/94 | |LICENSE#: 47-25248-01MD AGREEMENT: N |EVENT TIME: 15:00[EDT]| | DOCKET: |LAST UPDATE DATE: 07/28/94 | | +-----------------------------+ | |PERSON ORGANIZATION| | |CHARLES CASTO RDO | | | | +------------------------------------------------+ | |NRC NOTIFIED BY: DAVE PELLICCIARINI | | |HQ OPS OFFICER: WILLIAM HUFFMAN | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |IBBE 30.50(b)(2)(i) ACCID MIT EQUIP FAILS | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | FUME HOOD EXHAUST FAN INOPERABLE. | | | | SYNCOR INTERNATIONAL CORPORATION IS A RADIOPHARMACEUTICAL DISTRIBUTION | | NETWORK HEADQUARTERED IN CHATSWORTH, CALIFORNIA. ONE OF THEIR FACILITIES | | LOCATED IN HUNTINGTON, WEST VIRGINIA, REPORTED A FAILURE OF A FUME HOOD FAN | | MOTOR. THE FAN IS REQUIRED BY LICENSE CONDITION TO PREVENT RADIOLOGICAL | | RELEASES AND ITS FAILURE IS REPORTABLE. | | | | THE FAN MOTOR FOR THE FUME HOOD WAS NOTED TO BE INOPERABLE AT APPROXIMATELY | | 1500 EDT ON 7/25/94 BY A FACILITY PHARMACIST. AT THE TIME, 30 MILLICURIES | | OF XENON-133 WERE BEING STORED IN THE FUME HOOD. THE XENON WAS STILL IN THE | | MANUFACTURER'S ORIGINAL VIALS WHICH WERE STILL SEALED AND UNOPENED. THE | | VIALS WERE MOVED TO A WASTE BARREL FOR DECAY AND THE FAN WAS REPAIRED. THE | | FUME HOOD WAS RETURNED TO SERVICE AT 0800 ON 7/28/94. THE CORPORATE | | HEADQUARTERS WAS NOTIFIED AT 1145 EDT ON 7/28/94 AT WHICH TIME THE | | REPORTABILITY OF THE EVENT WAS DETERMINED. | | | | NO RADIOACTIVE RELEASE WAS INVOLVED OTHER THAN THE NORMAL LEAKAGE | | ASSOCIATED WITH THE STORAGE VIALS OF XE-133. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27600 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CLINTON REGION: 3 |NOTIFICATION DATE: 07/28/94 | |UNIT: [1] [ ] [ ] STATE: IL |NOTIFICATION TIME: 12:25 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 07/28/94 | +------------------------------------------------+EVENT TIME: 10:25[CDT]| |NRC NOTIFIED BY: JEFF NADEN |LAST UPDATE DATE: 07/28/94 | |HQ OPS OFFICER: WILLIAM HUFFMAN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |ROBERT DEFAYETTE RDO | |AOUT 50.72(b)(1)(ii)(B) OUTSIDE DESIGN BASIS | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | DIVISION 3 SUPPLY BREAKERS POTENTIALLY INOPERABLE DURING THE LAST SEVERAL | | YEARS. | | | | THE FOLLOWING IS THE TEXT OF A FACSIMILE RECEIVED FROM THE LICENSEE | | REPORTING THIS EVENT: "IT WAS RECENTLY DISCOVERED DURING REVIEW OF OLD | | PREVENTATIVE MAINTENANCE (PM) DOCUMENTS THAT PARAMETERS WERE LEFT OUTSIDE | | OF THEIR ALLOWABLE VALUES. THE PM's WERE PERFORMED ON THE DIVISION 3 DIESEL | | GENERATOR (DG) BREAKER AND ON THE DIVISION 3 RESERVE AUXILIARY TRANSFORMER | | (RAT) BREAKER. THIS CAUSED DIVISION 3 POWER SUPPLY TO BE INOPERABLE FROM | | THE DATE THE PM WAS PERFORMED, WHICH WAS 3/28/92 FOR THE DG BREAKER AND | | 4/13/92 FOR THE RAT BREAKER, UNTIL THE PRESENT. THIS NOTIFICATION IS BEING | | MADE PER 10 CFR 50.72 (b)(1)(ii)(B) BECAUSE IN THE TIME PERIOD THAT THESE | | BREAKERS WERE INOPERABLE, SOLE RELIANCE ON DIVISION 3 POWER TO MAINTAIN THE | | PLANT IN A SAFE SHUTDOWN CONDITION MAY HAVE OCCURRED." | | | | THE DIVISION 3 POWER IS ESSENTIALLY FOR THE HIGH PRESSURE CORE SPRAY AND | | ITS SUPPORT SYSTEMS. DURING AN ENGINEERING DESIGN REVIEW OF THE BREAKERS | | WHICH SUPPLY THIS BUS, IT WAS NOTED THAT THE GAP SETTINGS ON SOME OF THE | | CONTACTS WERE TOO CLOSE PLACING THEM OUTSIDE THE ALLOWABLE SETPOINTS. THIS | | COULD RESULT IN THE BREAKERS BEING SENSED AS CLOSED DURING AN UNDERVOLTAGE | | CONDITION EVEN THOUGH THEY WERE ACTUALLY OPEN. THE BREAKERS HAVE BEEN | | DECLARED INOPERABLE BUT ARE STILL FUNCTIONAL. THE LICENSEE HAS 72 HOURS TO | | CORRECT THIS CONDITION PER TECH SPECS. PREPARATIONS ARE UNDERWAY TO | | READJUST THE BREAKER CONTACT GAPS. | | | | THE LICENSEE NOTES THAT THERE MAY HAVE BEEN OUTAGES DURING THE LAST SEVERAL | | YEARS WHERE HPCS WAS RELIED ON AS THE SOLE SOURCE OF ECCS. THE RESIDENT | | INSPECTOR WILL BE NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27601 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: MILLSTONE REGION: 1 |NOTIFICATION DATE: 07/28/94 | |UNIT: [1] [ ] [ ] STATE: CT |NOTIFICATION TIME: 13:36 [ET]| |RX TYPE: [1] GE-3,[2] CE,[3] W-4-LP |EVENT DATE: 07/28/94 | +------------------------------------------------+EVENT TIME: 11:45[EDT]| |NRC NOTIFIED BY: MIKE BIDIARELLI |LAST UPDATE DATE: 07/28/94 | |HQ OPS OFFICER: WILLIAM HUFFMAN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: | | |AOUT 50.72(b)(1)(ii)(B) OUTSIDE DESIGN BASIS | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 40 POWER OPERATION | 40 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | MAXIMUM FRACTION OF LIMITING POWER DENSITY (MFLPD) WAS GREATER THAN | | FRACTION OF RATED POWER FOR THE CORE. | | | | LICENSEE HAD REDUCED POWER TO 40% DUE TO PROBLEMS WITH THEIR ISOLATION | | CONDENSER. A ROD PATTERN ADJUSTMENT WAS MADE DURING THE DOWN POWER ON THE | | MORNING OF 7/27/94. THE ADJUSTMENT APPARENTLY AFFECTED THE FLUX SHAPE AND | | CAUSED THE MFLPD TO EXCEED THE FRACTION OF RATED POWER FOR THE CORE. TECH | | SPECS REQUIRE THAT THE FLOW BIASED SCRAM SETPOINTS AND ROD BLOCKS BE RESET | | FOR THIS CONDITION. HOWEVER, THIS WAS NOT ACCOMPLISHED BECAUSE THE | | CONDITION WAS NOT RECOGNIZED UNTIL 11:45 EDT ON 7/28/94 WHEN PROCESS | | COMPUTER DATA WAS BEING MONITORED. REVIEW OF RECORDS INDICATE THAT THE | | CONDITION HAD EXISTED SINCE MID MORNING YESTERDAY. | | | | THE MFLPD IS NORMALLY CHECKED AS PART OF A DAILY FUEL SURVEILLANCE AND WAS | | WITHIN LIMITS WHEN IT WAS CHECKED DURING THE DOWN POWER. IT WAS APPARENTLY | | NOT RECHECKED AFTER THE ROD ADJUSTMENT. THE LICENSEE RESTORED THE MFLPD TO | | WITHIN LIMITS BY SOME ADDITIONAL ROD ADJUSTMENTS AFTER THE CONDITION WAS | | NOTED. | | | | THE NRC RESIDENT INSPECTOR HAS BEEN NOTIFIED. | | | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27602 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: OYSTER CREEK REGION: 1 |NOTIFICATION DATE: 07/28/94 | |UNIT: [1] [ ] [ ] STATE: NJ |NOTIFICATION TIME: 15:18 [ET]| |RX TYPE: [1] GE-2 |EVENT DATE: 07/28/94 | +------------------------------------------------+EVENT TIME: 12:00[EDT]| |NRC NOTIFIED BY: STEVE AMES |LAST UPDATE DATE: 07/28/94 | |HQ OPS OFFICER: WILLIAM HUFFMAN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |WALTER PASCIAK 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 +------------------------------------------------------------------------------+ | VIOLATION OF LICENSE CONDITION DURING SURVEILLANCE TESTING. | | | | DURING A SURVEILLANCE TEST ON AN RPS SENSOR (THE TRIPLE LOW LEVEL SENSOR | | ASSOCIATED WITH THE AUTOMATIC DEPRESSURIZATION SYSTEM) ONE OF THE TWO | | CHANNELS WAS RENDERED TOTALLY INOPERABLE DUE TO A VALVING ERROR. THE ADS | | TRIP LOGIC INVOLVES TWO CHANNELS. BOTH CHANNELS MUST TRIP WHEN THE REACTOR | | WATER LEVEL CONDITION IS SATISFIED IN ORDER TO ACTUATE ADS. EACH CHANNEL | | HAS TWO SENSORS EITHER OF WHICH CAN TRIP A CHANNEL WHEN A LOW WATER LEVEL | | CONDITION IS SENSED. FOR SURVEILLANCE TESTING, A SENSOR CAN BE REMOVED FROM | | SERVICE IN A CHANNEL AS LONG AS THE OTHER SENSOR FOR THE CHANNEL IS | | OPERABLE. DURING THE SURVEILLANCE IN QUESTION, AN EQUALIZING VALVE ON A | | SENSOR THAT WAS NOT BEING TESTED WAS INADVERTENTLY OPENED RENDERING BOTH | | SENSORS IN ONE CHANNEL INOPERABLE. | | | | THE CONDITION WAS DISCOVERED DURING THE SURVEILLANCE RESTORATION PROCEDURE. | | THE AFFECTED CHANNEL WAS INOPERABLE FOR APPROXIMATELY 15 MINUTES DURING | | WHICH TIME AN AUTOMATIC ADS ACTUATION ON LOW REACTOR VESSEL WATER LEVEL | | WOULD NOT HAVE BEEN POSSIBLE. THE SYSTEM WAS RESTORED TO ITS NORMAL | | CONFIGURATION AND IS CURRENTLY COMPLETELY OPERABLE. THIS WAS A OPERATING | | LICENSE VIOLATION AND IS REQUIRES A 24 HOUR NOTIFICATION TO THE OPERATIONS | | CENTER. A FOLLOWUP LER WILL BE ISSUED. | | | | THE NRC RESIDENT INSPECTOR WILL BE NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27603 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: HADDAM NECK REGION: 1 |NOTIFICATION DATE: 07/28/94 | |UNIT: [1] [ ] [ ] STATE: CT |NOTIFICATION TIME: 16:09 [ET]| |RX TYPE: [1] W-4-LP |EVENT DATE: 07/28/94 | +------------------------------------------------+EVENT TIME: 15:56[EDT]| |NRC NOTIFIED BY: CLINTON GLADDING |LAST UPDATE DATE: 07/28/94 | |HQ OPS OFFICER: WILLIAM HUFFMAN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |WALTER PASCIAK RDO | |AOUT 50.72(b)(1)(ii)(B) OUTSIDE DESIGN BASIS | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |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 +------------------------------------------------------------------------------+ | REACTOR COOLANT PUMP OIL LEAK COLLECTION SYSTEM DOES NOT MEET APPENDIX R | | FIRE PROTECTION REQUIREMENTS. | | | | INVESTIGATION INTO THE MINOR FIRE WHICH OCCURRED ON A REACTOR COOLANT PUMP | | (SEE EVENT #27519) DETERMINED THAT THE OIL LEAK COLLECTION SYSTEM DID NOT | | MEET THE REQUIREMENTS OF 10 CFR 50 APPENDIX R AND CONTRIBUTED TO THE FIRE. | | APPROXIMATELY HALF THE OIL WHICH LEAKED FROM THE RCP WAS NOT COLLECTED DUE | | TO AIR CURRENTS FROM THE MOTOR COOLING VENTILATION AND GENERAL VENTILATION | | INSIDE CONTAINMENT. THE OIL WAS BLOWN AWAY FROM THE DRIP TRAYS AND ONTO | | SURROUNDING EQUIPMENT AND STRUCTURES WHERE IT COULD ACCUMULATE AND CAUSE | | THE FIRE HAZARD. | | | | THE DESIGN WILL BE MODIFIED AND IMPLEMENTED PRIOR TO REACTOR RESTART. | | | | THE NRC RESIDENT INSPECTOR HAS BEEN INFORMED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27604 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: WASHINGTON NUCLEAR REGION: 4 |NOTIFICATION DATE: 07/28/94 | |UNIT: [2] [ ] [ ] STATE: WA |NOTIFICATION TIME: 22:40 [ET]| |RX TYPE: [2] GE-5 |EVENT DATE: 07/28/94 | +------------------------------------------------+EVENT TIME: 18:50[PDT]| |NRC NOTIFIED BY: BENTRUP |LAST UPDATE DATE: 07/28/94 | |HQ OPS OFFICER: WILLIAM HUFFMAN +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |IAN BARNES RDO | |AENS 50.72(b)(1)(v) ENS INOPERABLE | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 2 | N Y 11 POWER OPERATION | 11 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LOSS OF COMMERCIAL AND ENS COMMUNICATION. | | | | THE LICENSEE REPORTED THAT OFFSITE PHONE COMMUNICATIONS INCLUDING THE ENS | | LINES WERE TEMPORARILY LOST. NORMAL COMMERCIAL AND ENS PHONES WERE | | RE-ESTABLISHED AND VERIFIED BY 1902 PDT. CAUSE OF THE FAILURE IS STILL | | UNDER INVESTIGATION BUT DOES NOT APPEAR TO BE RELATED TO ANY OFFSITE CABLE | | DISTURBANCE. POSSIBLE ONSITE COMMUNICATIONS SOFTWARE PROBLEMS ARE CURRENTLY | | SUSPECTED. | | | | SEPARATE COMMUNICATIONS CAPABILITY STILL EXISTED VIA PLANT SECURITY AND THE | | LOAD DISPATCHER WHILE THE NORMAL LINES WERE INOPERABLE. ONSITE | | COMMUNICATIONS WERE NOT AFFECTED. THE STATE AND LOCAL NOTIFICATION SYSTEMS | | WERE ALSO UNAFFECTED. | | | | THE NRC RESIDENT INSPECTOR WILL BE INFORMED. | +------------------------------------------------------------------------------+