List of Part 21 Reports From 1977 - 1994

1 List of part 21 Reports From 1977 - 19941990s: | 1994 | 1993 | 1992 | 1991 | 1990 | 1980s: | 1989 | 1988 | 1987 | 1986 | 1985 | 1984 | 1983 | 1982 | 1981 | 1980 |1970s: | 1979 | 1978 | 1977 | part 21 Reports for 1994 LOG_NONOTIFIER, VENDORDESCRIPTIONREP_DATEACCESS_NO94001 ENVIROTECHCONTROLSFAILURE OF A PEN DRIVE SERVOMOTOR IN A WESTRONICSRECORDER DUE TO DAMAGEDSHUNT LEADS DURINGMANUFACTURE AND SEPARATIONDURING OPERATION12/08/1993931227021494002 GEORGIA POWER,DRESSER INDUSTRIES ELECTRONIC NOISE FROMOPERATION OF DC MOTOROPERATED PUMP DISCHARGEVALVES TRIPS AUXILIARYFEEDWATER PUMP11/18/1993931130006594003 ENVIROTECHCONTROLS TEST INDICATES SUSCEPTIBILITY OFWESTRONICS SERIES 2100 CRECORDERS TO INTERFERENCEFROM ELECTRIC FIELD OF 10 VOLTSPER METER11/17/1993931209030994004 COLTEC INDUSTRIES,VIRGINIA ELECTRICAND POWER AIR START DISTRIBUTOR CAMCRACKING IN EMERGENCY DEISELGENERATOR01/07/1994940113024394005 ILLINOIS POWER,LIMITORQUE,ANCHOR/DARLINGSHEARED MOTOR PINION KEY ONHIGH PRESSURE CORE SPRAYINJECTION VALVE ACTUATOR12/22/1993940105011994006 BORG-WARNER EVALUATION OF FRICTION FACTORFOR 6 INCH GATE VALVE01/06/1994940112025994007 ILLINOIS POWER,TELEMECANIQUE,ITE-GOULDFAILURE TO TRIP OF ONE POLE ONTYPE HE MOLDED CASE CIRCUITBREAKER01/11/1994940131016394008 ILLINOIS POWER,WESTINGHOUSE BROKEN, INCORRECTLYCONFIGURED, AND POORLYCONSTRUCTED PUFFER TUBEASSEMBLIES FOR 4160 VAC CIRCUITBREAKERS01/07/1994940125002694009 TENNESSEE VALLEYAUTHORITY,WESTINGHOUSE BROKEN SHAFT ON CENTRIFUGALCHARGING PUMP PROBABLY DUE TOOPERATION UNDER GAS-BINDINGCONDITIONS01/07/1994ml0209103 1794010 WOLF CREEKNUCLEAROPERATIONSPOTENTIAL FOR TYPE 120 MBINDICATING LAMPS TO BLOWCONTROL POWER TRANSFORMERFUSES, RENDERING SAFETYSYSTEMS INOPERABLE01/04/1994ml02086070794011 BOEING COMPUTERSERVICES GTSTRUDL SOFTWARE ERROR 12/23/1993940106017694012 FARWELL ANDHENDRICKS.

2 TELEMECANIQUE E20 STYLE OVERLOAD RELAYS CANTEMPORARILY OPEN AND CLOSEWITHOUT FULLY TRIPPING DUE TOOVER CENTER TOGGLE SWITCHDESIGN12/21/1993931229009894013 PUBLIC SERVICEELECTRIC AND GAS,CANADA-ALLIEDDIESELINCORRECT MATERIAL ANDGEOMETRY OF EMERGENCY DEISELGENERATOR CYLINDER INJECTIONTUBE STUDS12/13/1993931222022094014 NEW YORK POWERAUTHORITY, FISHERCONTROLSWOODRUFF KEY MATERIAL IN TYPE7600, 7700 , 7800, 9100, 9200, AND 9500 BUTTERFLY VALVES12/20/1993940103035494015 NEW YORK POWERAUTHORITY, FISHERCONTROLS TORQUE OF CAP SCREWS ON VALVEACTUATOR DIAPHRAGM CASINGS12/20/1993940103035494016 NEW YORK POWERAUTHORITY, FISHERCONTROLS POSSIBLE MISSING TAPER PINS(THREE PER VALVE) ON TYPE 7600, 7700, 7800, 9100, 9200, AND 9500 BUTTERFLY VALVES12/20/1993940103035494017 COLTEC INDUSTRIES,PHILADELPHIAELECTRIC MISALIGNMENT OF TANG ONOVERSPEED GOVERNOR SHAFTCONNECTED TO AIR STARTDISTRIBUTOR SHAFT01/14/1994ml02087001194018 BABCOCK ANDWILCOX,DUKE POWER EIGHT STEAM GENERATOR PLUGSFOUND IN REACTOR COOLINGSYSTEM01/12/1994ml02087001294019 BABCOCK ANDWILCOXLIST OF NUCLEAR PLANT SITESWITH MECHANICAL PLUGSINSTALLED DURING PAST FIVEYEARS01/18/ 1994 Proprietary94020 NAMCO CONTROLS NORMALLY CLOSED CONTACTS OFLIMIT SWITCH EA180-32302 WOULDNOT CONSISTENTLY RETURN TOINITIAL POSITION AFTERACTUATION01/07/1994940114001994021 CAROLINA POWERAND LIGHT,NORTHERN STATESPOWER IMPROPER LUGGING OF WIRETERMINATIONS ON TYPE K600 AND800 SERIES CIRCUIT BREAKERS12/22/1993940112000894022 COLTEC INDUSTRIES.

3 VIRGINIA ELECTRICAND POWER AIR START DISTRIBUTOR CAMCRACKING IN EMERGENCY DEISELGENERATOR01/21/1994940209006394023 NAMCO CONTROLS NORMALLY CLOSED CONTACTS OFLIMIT SWITCH EA180-32302 WOULDNOT CONSISTENTLY RETURN TOINITIAL POSITION AFTERACTUATION01/24/1994940208014194024 WESTINGHOUSE,ANCHOR/DARLING,ARIZONA PUBLICSERVICECHECK VALVES CAN NOT PREVENTUPWARD MOVEMENT OF HINGERING AS DESIGNED BECAUSEBONNET DOWELS ARE TOO SHORT12/21/1993ml02091004394025 TEXAS UTILITIESGENERATING,PACIFIC AIRPRODUCTS FAILURE OF BOLTS ON GRAVITYDAMPERS FOR EMERGENCY DEISELGENERATOR ROOM VENT FAN01/19/1994ml02087001594026 CONAX BUFFALO,WESTINGHOUSE POTENTIALLY INADEQUATECONDUCTOR CRIMPING IN QUICKDISCONNECT APPLICATIONS01/19/1994ml02087001794027 COMMONWEALTHEDISON,C AND S VALVE DEGRADATION OF VITON SEALS ONSEVERAL CLASSES OF CHECKVALVES10/29/1993931101022194028 NIAGARA MOHAWKPOWER,MINE SAFETYAPPLIANCES FAILURE OF CHARCOAL FILTERABSORBERS TO LIMIT BYPASSLEAKAGE TO 005 PERCENT10/13/1993931020022494029 NORTHEASTNUCLEAR ENERGY,LIMITORQUE NONRELEASE OF BRAKES ON VALVEOPERATORS IN UNDERVOLTAGECONDITION11/23/1993931206002 994030 PACIFIC GAS ANDELECTRIC,WESTINGHOUSE POTENTIALLY NONCONSERVATIVEHEAT FLUX HOT CHANNEL FACTORPENALTY 10/18/1993931029008494031 PACIFIC GAS ANDELECTRIC,WESTINGHOUSE MANUAL BLOCK VALVESINSTALLED DOWNSTREAM ORUPSTREAM OF RELIEF VALVES DONOT CONFORM TO ASME SECTION III10/19/1993931028015194032 ROSEMOUNT UNQUALIFIED GASKET MATERIALSUPPLIED WITH 177HW RESISTANCETEMPERATURE DETECTORASSEMBLY, part NUMBER C09996-000111/05/1993931116007994033 BOEING COMPUTERSERVICES NUPIPE-II CODE ERROR12/07/1993931216023494034 BOEING COMPUTERSERVICES GTSTRUDL SOFTWARE ERROR12/16/1993931228008294035 TENNESSEE VALLEYAUTHORITY, TARGETROCK.

4 WYLELABORATORIESPOTENTIAL CORROSION BONDINGAT DISC TO SEAT INTERFACE ON SIXMAIN STEAM SAFETY RELIEFVALVES04/22/1993930426015494036 BOEING COMPUTERSERVICES GTSTRUDL SOFTWARE ERROR01/11/1994940125010694037 NAMCO CONTROLS,COMMONWEALTHEDISON OPERATING LEVERS IN EA740 ANDEA750 SERIES LIMIT SWITCHESWOULD NOT RETURN TO INITIALPOSITION AFTER ACTUATION02/02/1994940207032794038 GEORGIA POWER,PULLMAN POWERPRODUCTS REQUESTED INFORMATION ONASME CLASS I BLOCK FORGED TEESINSTALLED AT VOGTLE01/14/1994940125000694039 TELEDYNETHERMATICS POSSIBLE TESTING DEVIATIONSFROM PURCHASE ORDER OFCERTAIN WIRE AND CABLEPRODUCTS01/25/1994940202002994040 GENERAL ELECTRIC,GEORGIA POWER,NIAGARA MOHAWKPOWERPOSSIBLE FAILURE OF CR120 RELAYS02/17/1994ml02087002094041 ORGANIZATION FORECONOMICCOOPERATION ANDDEVELOPMENT, BBCBROWN BOVERI C5 RELAY IN CONTROL RODACTUATION SYSTEM FAILED OPEN,CAUSING ROD INSERTION12/31/1993 Proprietary94042 WASHINGTONPUBLIC POWER,BORG-WARNER UNDERSIZED MOTOR OPERATEDVALVE ACTUATOR02/22/1994ml02091023394043 CONAX BUFFALO POTENTIALLY INADEQUATECONDUCTOR CRIMPING IN QUICKDISCONNECT APPLICATIONS02/18/1994ml02087002194044 WESTINGHOUSE POTENTIAL SAFETY ISSUEINVOLVING OPERATION OF PLANTWITH REDUCED NUMBER OF MAINSTEAM SAFETY VALVES ATREDUCED POWER02/16/1994940214031494045 GENERAL PUBLICUTILITIES,ROSEMOUNT REACTOR COOLANT SYSTEMTHERMOWELLS DO NOT MEETALLOWABLE STRESS LIMITS PERASME SECTION III02/23/1994ml02091024594046 GENERAL ELECTRIC FAILURE OF CYLINDER LOCK SELECTOR SPRING TO RETURN TYPECR2940 SWITCH TO ORIGINALPOSITION02/08/199494021700529404 7 SCIENCEAPPLICATIONSINTERNATIONAL IMPROPER ASSEMBLY OF LIQUIDCRYSTAL DISPLAY TO BACK PLANEOF GROUP ROD INDICATOR DISPLAY02/11/1994940217012194048 BOEING COMPUTERSERVICES GTSTRUDL SOFTWARE ERROR02/09/1994940217007094049 DEPARTMENT OFENERGY,WESTINGHOUSE FAILURE OF THREE SEALED 600 VOLT, 3-POLE.

5 15 AMP AND 700 AMPCIRCUIT BREAKERS02/04/1994ml02087002494050 NEW YORK POWERAUTHORITY,INTERSTATE STEEL,TIOGA PIPE SUPPLY PURCHASE AND RECEIPT OF SEISMICCATEGORY I PIPING FROMUNQUALIFIED VENDOR02/28/1994ml02087002894051 DUKE POWER,KEROTESTEXCESSIVE LEAKAGE FROMREACTOR COOLANT PUMP SEALSUPPLY THROTTLE VALVE DUE TOFAILURE OF PACKING GLAND STUDS02/03/1994940218006694052 NUCLEARREGULATORYCOMMISSION,BBC BROWN BOVERI,INDIANA ANDMICHIGAN ELECTRICINTERMITTENT FAILURE OFVARIOUS PROCESS CONTROL UNITSDUE TO DEFICIENCIES INELECTRICAL SOCKETS09/30/1993931005016194053 CONSOLIDATEDEDISON,WESTINGHOUSE NOTRUMP COMPUTER CODEMODELING OF SAFETY INJECTIONFLOW IN SMALL BREAK LOSS OFCOOLANT ACCIDENT10/20/1993931027015394054 IOWA ELECTRICLIGHT AND POWER,GENERAL ELECTRIC LOWERING OF RESIDUAL HEATREMOVAL PUMP IMPELLER ANDSHAFT DUE TO NUT AND WASHERMISMATCH AFTER OVERHAUL03/01/1994ml02087003294055 COOPER ENERGYCRACKING ON PORTION OFSUBCOVER ON WHICH AREMOUNTED INTAKE AND EXHAUSTROCKER SHAFTS02/21/1994940311024294056 NAMCO CONTROLS,COMMONWEALTHEDISON OPERATING LEVERS IN EA740 ANDEA750 SERIES LIMIT SWITCHESWOULD NOT RETURN TO INITIALPOSITION AFTER ACTUATION03/02/1994940310000794057 WHITING SIGNIFICANT OVERSTRESS ONBOLTED CONNECTION POINTS OFTROLLEY MAIN HOISTCOMPONENTS AND OVERSTRESSCONDITION OF STRUCTURAL COMPONENTS IN GIRDER ENDS03/02/1994ml02087003494058 ARIZONA PUBLICSERVICE,VALCORENGINEERING CRACKS IN BODY OF TWO SOLENOID OPERATED SAMPLINGVALVES FOR REACTOR COOLINGSYSTEM HOT LEGS03/02/1994ml02093021094059 GENERAL PUBLICUTILITIES.

6 LIMITORQUE PAINT IN MACHINED HOLE AND USEOF A HAMMER TO TAP LEVER ONTOITS SHAFT DURING REPLACEMENTOF MANUAL DECLUTCH LEVERSIMPAIRED ELECTRICAL OPERATIONOF EIGHT VALVE ACTUATORS 12/13/1993931220031994060 COMMONWEALTHEDISON, CRANE FAILURE OF INBOARD REACTORCORE ISOLATION COOLING SYSTEMSTEAM ISOLATION VALVE TO CLOSE03/05/1994ml02091033494061 TEXAS UTILITIESGENERATINGBOLTING FAILURES IN GRAVITYDAMPERS02/16/1994940302002294062 SORRENTOELECTRONICS, NEWYORK POWERAUTHORITY MEMORY STACK LOCATIONS INMICROPROCESSORS FOR WIDERANGE GAS MONITOR CAN OVERWRITE A PRESET STACK SIZELIMIT02/08/1994940216030394063 WHITTAKER,NORTHERN STATESPOWER INADEQUATE SENSITIVITY OFHYDROGEN SENSORS INCONTAINMENT ATMOSPHEREMONITORING SYSTEM02/03/1994940216031394064 WOLF CREEKNUCLEAROPERATIONS SHORT CIRCUIT OF INDICATINGLAMPS CAUSE LOSS OF CHARGINGPUMP ROOM COOLER02/02/19949402100130 94065 COMMONWEALTHEDISON HIGH TEST FRICTION RESULTSINDICATE HIGH PRESSURE COOLANTINJECTION VALVES WILL NOTFULLY CLOSE ON BLOWDOWN03/09/1994ml02091033894066 FURMANITEAMERICA, ARIZONAPUBLIC SERVICE RESULTS OF MAIN STEAM SAFTEYVALVE TESTING03/08/1994ml02087003794067 COLTEC INDUSTRIES,VIRGINIA ELECTRICAND POWER AIR START DISTRIBUTOR CAMCRACKING IN EMERGENCY DEISELGENERATOR01/21/1994940209006394068 SOUTHERNCALIFORNIA EDISON,METER DEVICES FAILURE OF EMERGENCY DEISELGENERATOR ROTO TEST SWITCHDUE TO SHEARING OF SWITCHCONNECTIONS BY BOLT HEAD01/25/1994ml02087004294069 COMMONWEALTHEDISON.

7 FURMANITEAMERICA RESULTS OF MAIN STEAM SAFTEYVALVE TESTING03/10/1994ml02091034194070 SOUTH CAROLINAELECTRIC AND GAS,COLTEC INDUSTRIES,MAGNETROLINTERNATIONALLEVEL SWITCHES FOR EMERGENCYDEISEL GENERATOR DAY TANKSMAY NOT BE SEISMICALLYQUALIFIED02/09/1994ml02091034 494071 ILLINOIS POWER,WESTINGHOUSE FAILURE OF SHUTDOWN SERVICEWATER PUMP TO RECLOSE ONRESTORATION OF BUS VOLTAGEDUE TO FAILURE OF ANTI-PUMPCOIL TO DROP OUT ON INITIALBREAKER TRIP11/19/1993931208003694072 WESTINGHOUSE EVALUATION OF SMALL BREAKLOSS OF COOLANT ACCIDENTBURST AND BLOCKAGE MODELS02/25/1994940309019594073 PACIFIC GAS ANDELECTRIC,FURMANITEAMERICA MAIN STEAM SAFETY RELIEFVALVES OUTSIDE NOMINALSETPOINTS03/12/1994ml020910347940 74 GENERAL PUBLICUTILITIES,ROSEMOUNT REACTOR COOLANT SYSTEMTHERMOWELLS DO NOT MEETALLOWABLE STRESS LIMITS PERASME SECTION III02/23/1994ml02091034994075 COMMONWEALTHEDISON, PARKERHANNIFIN POSSIBILITY THAT SOMEPNEUMATIC CYLINDERS, USED ASSECONDARY CONTAINMENTDAMPER ACTUATORS, COULD FAILDUE TO ADDITION OF ANTI-OXIDANT INSTEAD OF GREASE03/09/ 1994 Not Available94076 BOSTON EDISON,LIMITORQUE FAILURE OF HIGH PRESSURECOOLANT INJECTION MOTOROPERATED VALVE IN CLOSEDPOSITION DUE TO SHEARING OFTORQUE SWITCH ROLL PIN IN SMB-0 ACTUATOR03/14/ 1994 Not Available94077 WISCONSINELECTRIC POWER,WESTINGHOUSE FAILURE OF TYPE HFA 30 AMPMOLDED CASE CIRCUIT BREAKERSTO MEET TRIP TIME REQUIREMENTS12/20/1993931230017194078 WISCONSINELECTRIC POWER,SQUARE D FAILURE OF STLO-2 RELAY INSTARTING CIRCUIT OF EMERGENCYDEISEL GENERATOR DUE TO STICKYRESIDUE ON PLUNGER12/22/1993940104025694079 NEW YORK POWERAUTHORITY,WESTINGHOUSE MINIMUM TEMPERATURE FORCRITICALITY IS 450 F IN TECHNICALSPECIFICATIONS BUT 540 F INSAFETY ANALYSIS12/01/1993931208016694080 GEORGIA POWER.

8 DRESSER INDUSTRIES EXCESSIVE SENSITIVITY OF SPEEDMONITOR FOR TURBINE DRIVENAUXILIARY FEEDWATER PUMP TONOISE RIPPLES IN 125V DC POWERSUPPLY11/18/1993931130006594081 PORTLAND GENERALELECTRIC, PARKERPACKING INAPPROPRIATE OR DEGRADEDSEALS IN CONTAINMENTELECTRICAL PENETRATIONASSEMBLIES12/22/1993940106037 694082 CONNECTICUTYANKEE ATOMICPOWER, LIMITORQUE,ANCHOR/DARLINGHIGH TEST FRICTION RESULTSINDICATE HIGH PRESSURE COOLANTINJECTION VALVES WILL NOTFULLY CLOSE ON BLOWDOWN01/03/1994940114012894083 DUKE POWER,WESTINGHOUSE POSSIBILITY OF VAPOR BINDING OFRESIDUAL HEAT REMOVAL PUMPSDURING ACCIDENT CONDITIONSDUE TO LACK OF COOLING OFSUCTION PIPING12/11/1993931220020294084 FURMANITEAMERICA RESULTS OF MAIN STEAM SAFTEYVALVE TESTING03/16/1994940330018194085 COMPUTERPRODUCTS,COMBUSTIONENGINEERING ANOMALIES CAN OCCUR ABOVEAMBIENT TEMPERATURE OF 90 FFOR UNIVERSAL CONTROLLERINTERFACE CARD03/07/1994940316014594086 HOUSTON LIGHTINGAND POWER,WESTINGHOUSE DETACHMENT OF BURNABLEPOISON RODLETS03/17/1994ml02093023194087 NAMCO CONTROLS,COMMONWEALTHEDISON OPERATING LEVERS IN EA740 ANDEA750 SERIES LIMIT SWITCHESWOULD NOT RETURN TO INITIALPOSITION AFTER ACTUATION03/17/1994940318014494088 COMPUTERPRODUCTS,COMBUSTIONENGINEERING ANOMALIES CAN OCCUR ABOVEAMBIENT TEMPERATURE OF 90 FFOR UNIVERSAL CONTROLLERINTERFACE CARD03/07/1994940316013194089 PUBLIC SERVICEELECTRIC AND GAS,BBC BROWN BOVERI CRACK INDICATIONS IN SIX CR-82 CONTROL ROD BLADES 03/21/1994ml02093023994090 XOMOX POSSIBLE SUPPLY OF TUFLINEVALVES WITH DIAPHRAGM SEALSMADE OF LOW DENSITYPOLYETHYLENE RATHER THANULTRAHIGH MOLECULAR WEIGHTPOLYETHYLENE03/11/1994940317024094 091 PUBLIC SERVICEELECTRIC AND GAS,CANADA-ALLIEDDIESEL CRACKING OF CYLINDER LINERS INEMERGENCY DIESEL GENERATORSAS NOTED BY JACKET WATERLEAKS12/30/1993940111019994092 NORTHEASTUTILITIES.

9 GENERAL ELECTRIC REDUCTION OF EXPECTED SERVICELIFE OF DURALIFE MODEL 120 AND140 CONTROL RODS DUE TOCREVICE CORROSION CRACKING03/22/1994ml02093024894093 HOUSTON LIGHTINGAND POWER,GENERAL ELECTRIC,THERMO DISCAUTO START OF STANDBY DEISELGENERATOR DUE TO FAILURE OFTRANSISTOR CAUSINGDEGRADATION OF VARISTORS11/18/1993931201022294094 LIMITORQUE TORQUE SWITCH FAILURES IN SMB,SB, SBD 0, 2, 3, 4, 4T, 5, 5T AND 5 XTVALVE ACTUATORS DUE TO ROLLPIN SHEARING03/23/1994940328016494095 NORTHERN STATESPOWER,KLOCKNER-MOELLER POOR CORRELATION BETWEENMAGNETIC TRIP DIAL SETTING ANDACTUAL TRIP SETPOINT FOR CLASS1E MOLDED CASE CIRCUITBREAKER, MODEL ZM6-33-20003/24/1994ml02091035194096 GEORGIA POWER,STERNS ROGER FAILURE OF AXLE ON A REFUELINGBRIDGE CRANE CAUSED A WHEELTO FALL OFF03/24/1994ml02093025794097 ENTERGYOPERATIONS,BABCOCK ANDWILCOX FAILURE OF INCO