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LER 96-022-00:on 961102,D14 EDG was declared inoperable due to low fuel oil in storage tank.Caused by challenging method for determining tank level.Increased operator awareness of potential for error is being utilized.

LER 96-022-00:on 961102,D14 EDG was declared inoperable due to low fuel oil in storage tank.Caused by challenging method for determining tank level.Increased operator awareness of potential for error is being utilized.
Paper図書
KANTNER, J. L.PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC1997/01/30.
Other Libraries in Japan
  • Author HeadingKANTNER, J. L.

LER 96-008-00:on 961214,two closed primary containment isolation valves were discovered w/motor operator breaker closed.Caused by personnel error.Procedure GP-2 will be revised to separate specific steps.

LER 96-008-00:on 961214,two closed primary containment isolation valves were discovered w/motor operator breaker closed.Caused by personnel error.Procedure GP-2 will be revised to separate specific steps.
Paper図書
KANTNER, J. L.PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC1997/01/15.
Other Libraries in Japan
  • Author HeadingKANTNER, J. L.

LER 96-021-01:on 841026,determined fire safe shutdown made in fire safe shutdown repair would not function as desired due to incorrect assumption.Revised fire safe shutdown procedures.

LER 96-021-01:on 841026,determined fire safe shutdown made in fire safe shutdown repair would not function as desired due to incorrect assumption.Revised fire safe shutdown procedures.
Paper図書
KANTNER, J. L.PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC1997/04/11.
Other Libraries in Japan
  • Author HeadingKANTNER, J. L.

LER 97-003-01:on 970204,degraded back pressure dampers needed for pipe rupture mitigation resulted in operation being outside design basis.Caused by failure to include periodic cycling & cleaning of BDPs.Addl failures,corrected.

LER 97-003-01:on 970204,degraded back pressure dampers needed for pipe rupture mitigation resulted in operation being outside design basis.Caused by failure to include periodic cycling & cleaning of BDPs.Addl failures,corrected.
Paper図書
KANTNER, J. L.PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC1997/05/12.
Other Libraries in Japan
  • Author HeadingKANTNER, J. L.

LER 97-005-01:on 970311,two separate RWCU isolations caused by lifting filter demineralizer pressure safety valve.Will monitor RWCU filter demineralizer PSVs to determine if potential need exists to replace PSVs.

LER 97-005-01:on 970311,two separate RWCU isolations caused by lifting filter demineralizer pressure safety valve.Will monitor RWCU filter demineralizer PSVs to determine if potential need exists to replace PSVs.
Paper図書
KANTNER, J. L.PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC1997/06/09.
Other Libraries in Japan
  • Author HeadingKANTNER, J. L.

LER 96-018-01:on 960925,single train HPCI sys was declared inoperable due to loose signal cable connector.Connector was replaced on 970102 & common HPCI turbine maint procedures have been revised.

LER 96-018-01:on 960925,single train HPCI sys was declared inoperable due to loose signal cable connector.Connector was replaced on 970102 & common HPCI turbine maint procedures have been revised.
Paper図書
KANTNER, J. L.PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC1997/02/03.
Other Libraries in Japan
  • Author HeadingKANTNER, J. L.

LER 96-016-00:on 960725,core thermal power exceeded licensed power limit during power transient.Caused by defective EHC sys component & reactor scram.Defective primary frequency/ voltage converter replaced & calibration performed.

LER 96-016-00:on 960725,core thermal power exceeded licensed power limit during power transient.Caused by defective EHC sys component & reactor scram.Defective primary frequency/ voltage converter replaced & calibration performed.
Paper図書
KANTNER, J. L.PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC1996/08/26.
Other Libraries in Japan
  • Author HeadingKANTNER, J. L.

LER 96-009-00:on 961224,unit scram & reactor protection sys actuation occurred due to failure of bill joint that connects recirculation pump motor generator set scoop tube to tube positioner.Failed ball joint was replaced.

LER 96-009-00:on 961224,unit scram & reactor protection sys actuation occurred due to failure of bill joint that connects recirculation pump motor generator set scoop tube to tube positioner.Failed ball joint was replaced.
Paper図書
KANTNER, J. L.PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC1997/01/23.
Other Libraries in Japan
  • Author HeadingKANTNER, J. L.

LER 96-006-01:on 960207,trains of normal main control room ventilation sys concurrently tripped.Cross disciplinary team performing root cause investigation of events.Flow switch & thermal overload heater setpoints adjusted.

LER 96-006-01:on 960207,trains of normal main control room ventilation sys concurrently tripped.Cross disciplinary team performing root cause investigation of events.Flow switch & thermal overload heater setpoints adjusted.
Paper図書
KANTNER, J. L.PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC1996/03/19.
Other Libraries in Japan
  • Author HeadingKANTNER, J. L.

LER 94-010-01:on 941019,reactor scram & actuation of various ESF resulted from relay coil failure & inappropriate action by licensed reactor operator.Evaluated normal to alternate power supply transfer circuits.

LER 94-010-01:on 941019,reactor scram & actuation of various ESF resulted from relay coil failure & inappropriate action by licensed reactor operator.Evaluated normal to alternate power supply transfer circuits.
Paper図書
KANTNER, J. L.PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC1995/10/13.
Other Libraries in Japan
  • Author HeadingKANTNER, J. L.

LER 96-006-02:on 960207,CREFAS inoperable.Caused by flow switch coordination deficiency.C/A:flow switches adjusted & plant staff training performed.

LER 96-006-02:on 960207,CREFAS inoperable.Caused by flow switch coordination deficiency.C/A:flow switches adjusted & plant staff training performed.
Paper図書
KANTNER, J. L.PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC1996/04/19.
Other Libraries in Japan
  • Author HeadingKANTNER, J. L.

LER 95-005-00:on 950220,partial group VIC primary containment & RV isolation control sys actuation occured due to potentially malfunctioning +20 VDC power supply.Replaced +20 VDC power supply & removed electrical jumper.

LER 95-005-00:on 950220,partial group VIC primary containment & RV isolation control sys actuation occured due to potentially malfunctioning +20 VDC power supply.Replaced +20 VDC power supply & removed electrical jumper.
Paper図書
KANTNER, J. L.PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC1995/03/16.
Other Libraries in Japan
  • Author HeadingKANTNER, J. L.

LER 95-003-00:on 950719,Unit maximum power level of 100% was exceeded by 3.4% due to unanticipated response of 1B reactor recirculation pump following decrease speed signal. Established administrative limit of 100% core flow.

LER 95-003-00:on 950719,Unit maximum power level of 100% was exceeded by 3.4% due to unanticipated response of 1B reactor recirculation pump following decrease speed signal. Established administrative limit of 100% core flow.
Paper図書
KANTNER, J. L.PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC1995/08/18.
Other Libraries in Japan
  • Author HeadingKANTNER, J. L.

LER 95-003-00:on 950127,four drywell chilled water sys inboard containment isolation valves automatically closed due to inadvertent loss of power to relay in closing circuit.Replaced 2B PAM recorder w/new device.

LER 95-003-00:on 950127,four drywell chilled water sys inboard containment isolation valves automatically closed due to inadvertent loss of power to relay in closing circuit.Replaced 2B PAM recorder w/new device.
Paper図書
KANTNER, J. L.PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC1995/02/27.
Other Libraries in Japan
  • Author HeadingKANTNER, J. L.

LER 95-009-00:on 950810,corrosion induced bonding resulted in SRV setpoint drift.Installed 7 similar SRVs during next Unit 1 refueling outage in 1996.

LER 95-009-00:on 950810,corrosion induced bonding resulted in SRV setpoint drift.Installed 7 similar SRVs during next Unit 1 refueling outage in 1996.
Paper図書
KANTNER, J. L.PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC1995/09/09.
Other Libraries in Japan
  • Author HeadingKANTNER, J. L.

LER 95-002-01:on 950221,dual unit scram occurred due to offsite electrical transmission disturbance.Changed ground fault detection relay setttings for LGS Units 1 & 2 main transformers to provide better coordination w/sys equipment.

LER 95-002-01:on 950221,dual unit scram occurred due to offsite electrical transmission disturbance.Changed ground fault detection relay setttings for LGS Units 1 & 2 main transformers to provide better coordination w/sys equipment.
Paper図書
KANTNER, J. L.PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC1995/06/15.
Other Libraries in Japan
  • Author HeadingKANTNER, J. L.

LER 95-007-00:on 950902,TS condition in Unit 1 A & B & Unit 2 B H recombiners inoperable due to inadequate post-mod test caused by personnel error.Conducted all hands meeting & maint training analysis.

LER 95-007-00:on 950902,TS condition in Unit 1 A & B & Unit 2 B H recombiners inoperable due to inadequate post-mod test caused by personnel error.Conducted all hands meeting & maint training analysis.
Paper図書
KANTNER, J. L.PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC1995/10/02.
Other Libraries in Japan
  • Author HeadingKANTNER, J. L.

LER 95-007-00:on 950720,inadvertent grounding of keyswitch during replacement resulted in actuations of units primary containment & RV isolatioin control sys due to unclear mgt expectations.Conducted mgt meeting w/Maint Division.

LER 95-007-00:on 950720,inadvertent grounding of keyswitch during replacement resulted in actuations of units primary containment & RV isolatioin control sys due to unclear mgt expectations.Conducted mgt meeting w/Maint Division.
Paper図書
KANTNER, J. L.PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC1995/08/18.
Other Libraries in Japan
  • Author HeadingKANTNER, J. L.

LER 95-004-00:on 950728,actuations of Units 1 & 2 PCRVICS resulted from blown fuse when I&C Technician inadvertently grounded starter screwdriver.Performed review of appropriate I&C ST procedures to identify physical mods.

LER 95-004-00:on 950728,actuations of Units 1 & 2 PCRVICS resulted from blown fuse when I&C Technician inadvertently grounded starter screwdriver.Performed review of appropriate I&C ST procedures to identify physical mods.
Paper図書
KANTNER, J. L.PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC1995/08/28.
Other Libraries in Japan
  • Author HeadingKANTNER, J. L.

LER 95-004-00:on 950214,partial Group VI C primary containment isolation occurred due to momentary spurious low RV water level isolation signal & use of radio transmitter headsets.Restricted use of radio headsets in area.

LER 95-004-00:on 950214,partial Group VI C primary containment isolation occurred due to momentary spurious low RV water level isolation signal & use of radio transmitter headsets.Restricted use of radio headsets in area.
Paper図書
KANTNER, J. L.PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC1995/03/16.
Other Libraries in Japan
  • Author HeadingKANTNER, J. L.
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