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LER 96-016-00:on 960312,common power supply cable to 4 condenser pit level switches found improperly connected. Caused by inadequate work control.Cable properly connected & trip circuits tested.W/960411 ltr.

LER 96-016-00:on 960312,common power supply cable to 4 condenser pit level switches found improperly connected. Caused by inadequate work control.Cable properly connected & trip circuits tested.W/960411 ltr.
Paper図書
RICHARDSON, P. M.//VANNOORDENNEN,NORTHEAST NUCLEAR ENERGY CO.1996/04/11.
Other Libraries in Japan
  • Author HeadingRICHARDSON, P. M.//VANNOORDENNEN,

LER 96-012-00:on 960228,SIS drain stop valves failed to meet functional requirements of TS.Caused by personnel error & inadequate retest requirements.C/A:valve 2-SI-618 modified & safety related solenoid valves inspected.W/960419 ltr.

LER 96-012-00:on 960228,SIS drain stop valves failed to meet functional requirements of TS.Caused by personnel error & inadequate retest requirements.C/A:valve 2-SI-618 modified & safety related solenoid valves inspected.W/960419 ltr.
Paper図書
RICHARDSON, P. M.//VANNOORDENNEN,NORTHEAST NUCLEAR ENERGY CO.1996/04/19.
Other Libraries in Japan
  • Author HeadingRICHARDSON, P. M.//VANNOORDENNEN,

LER 96-019-00:on 960326,electrical equipment qualification SOV circuits in containment not fully qualified.Caused by programmatic failure.C/A:SOV circuits modified.W/960425 ltr.

LER 96-019-00:on 960326,electrical equipment qualification SOV circuits in containment not fully qualified.Caused by programmatic failure.C/A:SOV circuits modified.W/960425 ltr.
Paper図書
RICHARDSON, P. M.//VANNOORDENNEN,NORTHEAST NUCLEAR ENERGY CO.1996/04/25.
Other Libraries in Japan
  • Author HeadingRICHARDSON, P. M.//VANNOORDENNEN,

LER 96-014-00:on 960311,weekly TS surveillances missed. Caused by personnel error w/respect to scheduling.C/A: implemented requirements of surveillance procedure SP 2614A-3.W/960410 ltr.

LER 96-014-00:on 960311,weekly TS surveillances missed. Caused by personnel error w/respect to scheduling.C/A: implemented requirements of surveillance procedure SP 2614A-3.W/960410 ltr.
Paper図書
RICHARDSON, P. M.//VANNOORDENNEN,NORTHEAST NUCLEAR ENERGY CO.1996/04/10.
Other Libraries in Japan
  • Author HeadingRICHARDSON, P. M.//VANNOORDENNEN,

LER 96-017-00:on 960320,hydrogen monitoring sys did not meet single failure criteria.Caused by a failure to update design basis to reflect Regulatory Guide 1.97.C/A:design changed.W/960419 ltr.

LER 96-017-00:on 960320,hydrogen monitoring sys did not meet single failure criteria.Caused by a failure to update design basis to reflect Regulatory Guide 1.97.C/A:design changed.W/960419 ltr.
Paper図書
RICHARDSON, P. M.//VANNOORDENNEN,NORTHEAST NUCLEAR ENERGY CO.1996/04/19.
Other Libraries in Japan
  • Author HeadingRICHARDSON, P. M.//VANNOORDENNEN,

LER 96-007-00:on 960220,discovered RCS C/D rate exceeded TS limit.Caused by use of wrong temp sensor.Plant operating procedures,heatup/C/D monitoring computer program & operator training involving these events revised.W/960322 ltr.

LER 96-007-00:on 960220,discovered RCS C/D rate exceeded TS limit.Caused by use of wrong temp sensor.Plant operating procedures,heatup/C/D monitoring computer program & operator training involving these events revised.W/960322 ltr.
Paper図書
RICHARDSON, P. M.//VANNOORDENNEN, G.NORTHEAST NUCLEAR ENERGY CO.1996/03/21.
Other Libraries in Japan
  • Author HeadingRICHARDSON, P. M.//VANNOORDENNEN, G.

LER 96-025-00:on 960401,identified encl bldg filtration actuation signal/auxiliary exhaust actuation signal interlock not tested periodically.Caused by programmatic deficiency.Plant procedure SP-2614D revised.W/960523 ltr.

LER 96-025-00:on 960401,identified encl bldg filtration actuation signal/auxiliary exhaust actuation signal interlock not tested periodically.Caused by programmatic deficiency.Plant procedure SP-2614D revised.W/960523 ltr.
Paper図書
RICHARDSON, P. M.//VAN, NOORDENNEN.NORTHEAST NUCLEAR ENERGY CO.1996/05/23.
Other Libraries in Japan

LER 96-022-00:on 960423,determined that single failure of hydrogen purge valves would de-energize heaters for both trains of Enclosure Bldg Filtration Sys.Caused by error in original design.Implemented design change.W/960523 ltr.

LER 96-022-00:on 960423,determined that single failure of hydrogen purge valves would de-energize heaters for both trains of Enclosure Bldg Filtration Sys.Caused by error in original design.Implemented design change.W/960523 ltr.
Paper図書
RICHARDSON, P. M.//VAN, NOORDENNEN.NORTHEAST NUCLEAR ENERGY CO.1996/05/23.
Other Libraries in Japan

LER 96-005-00:on 960212,discovered PEO improperly utilized to replace automatic backwash function of svc water strainer backwash sys.Caused by failure to enter TS action statement. Revise procedures for IST SWS pump operability.W/960313 ltr.

LER 96-005-00:on 960212,discovered PEO improperly utilized to replace automatic backwash function of svc water strainer backwash sys.Caused by failure to enter TS action statement. Revise procedures for IST SWS pump operability.W/960313 ltr.
Paper図書
RICHARDSON, P. M.//VAN, NOORDENNEN.NORTHEAST NUCLEAR ENERGY CO.1996/03/13.
Other Libraries in Japan

LER 96-006-00:on 960207,service water pump motor flood protection not provided.Caused by inadequate administrative controls.Administrative controls established.W/960307 ltr.

LER 96-006-00:on 960207,service water pump motor flood protection not provided.Caused by inadequate administrative controls.Administrative controls established.W/960307 ltr.
Paper図書
RICHARDSON, P. M.//VAN, NOORDENNEN.NORTHEAST NUCLEAR ENERGY CO.1996/03/07.
Other Libraries in Japan

LER 96-021-00:on 960227,snubber failure in pressurizer spray line occurred.Caused by corrosion.Replaced snubber serial 12883 w/identical model PSA-1 snubber.W/960515 ltr.

LER 96-021-00:on 960227,snubber failure in pressurizer spray line occurred.Caused by corrosion.Replaced snubber serial 12883 w/identical model PSA-1 snubber.W/960515 ltr.
Paper図書
RICHARDSON, P. M.//VAN, NOORDENNEN.NORTHEAST NUCLEAR ENERGY CO.1996/05/15.
Other Libraries in Japan

LER 96-018-00:on 960319,gaps discovered in enclosure door seals for motor control centers B51 & B61.Caused by weakness in existing program to inspect & verify protective barriers. Insp program will be improved.W/960419 ltr.

LER 96-018-00:on 960319,gaps discovered in enclosure door seals for motor control centers B51 & B61.Caused by weakness in existing program to inspect & verify protective barriers. Insp program will be improved.W/960419 ltr.
Paper図書
RICHARDSON, P. M.//VAN, NOORDENNEN.NORTHEAST NUCLEAR ENERGY CO.1996/04/18.
Other Libraries in Japan

LER 96-015-00:on 960312,failed to perform action requirement for TS LCO 3.3.1.1.Caused by failure to recognize applicability of TS during abnormal equipment configuration. Revised procedures.W/960411 ltr.

LER 96-015-00:on 960312,failed to perform action requirement for TS LCO 3.3.1.1.Caused by failure to recognize applicability of TS during abnormal equipment configuration. Revised procedures.W/960411 ltr.
Paper図書
RICHARDSON, P. M.//VAN, NOORDENNEN.NORTHEAST NUCLEAR ENERGY CO.,NORTHEAST UTILITIES SERVICE CO.1996/04/11.
Other Libraries in Japan

LER 96-009-00:on 960216,post LOCA contianment pressure prevented timely extraction of PASS air sample & H sample. Caused by inadequate assessment of revised post LOCA response analysis.Implemented design change.W/960318 ltr.

LER 96-009-00:on 960216,post LOCA contianment pressure prevented timely extraction of PASS air sample & H sample. Caused by inadequate assessment of revised post LOCA response analysis.Implemented design change.W/960318 ltr.
Paper図書
RICHARDSON, P. M.//VAN, NOORDENNEN.NORTHEAST NUCLEAR ENERGY CO.1996/03/18.
Other Libraries in Japan

LER 95-003-00:on 960205,failed to enter TS LCO 3.0.3 after discovering svc water strainers inoperable.Caused by failure to recognize ice plug formation in strainer backwash line. Implement comprehensive operability process.W/960306 ltr.

LER 95-003-00:on 960205,failed to enter TS LCO 3.0.3 after discovering svc water strainers inoperable.Caused by failure to recognize ice plug formation in strainer backwash line. Implement comprehensive operability process.W/960306 ltr.
Paper図書
RICHARDSON, P. M.//VAN, NOORDENNEN.NORTHEAST NUCLEAR ENERGY CO.1996/03/06.
Other Libraries in Japan

LER 94-039-01:on 941031,components not included in inservice test program identified.Caused by personnel error.No immediate action required.W/960307 ltr.

LER 94-039-01:on 941031,components not included in inservice test program identified.Caused by personnel error.No immediate action required.W/960307 ltr.
Paper図書
RICHARDSON, P. M.//VAN, NOORDENNEN.NORTHEAST NUCLEAR ENERGY CO.1996/03/07.
Other Libraries in Japan

LER 94-019-01:on 940726,reactor coolant pump motor oil leaks occurred.Caused by ineffective maint of RCP motor oil sys, inconsistent stds & workmanship during RCP motor overhauls. Addl oil collection devices installed.W/960607 ltr.

LER 94-019-01:on 940726,reactor coolant pump motor oil leaks occurred.Caused by ineffective maint of RCP motor oil sys, inconsistent stds & workmanship during RCP motor overhauls. Addl oil collection devices installed.W/960607 ltr.
Paper図書
RICHARDSON, P. M.//VAN, NOORDENNEN.NORTHEAST NUCLEAR ENERGY CO.1996/06/07.
Other Libraries in Japan

LER 96-023-00:on 960425,failed to perform Tech Specs surveillances on certain containment isolation valves.Caused by inadequate procedure.Valves inspected & verified to be in closed position.W/960524 ltr.

LER 96-023-00:on 960425,failed to perform Tech Specs surveillances on certain containment isolation valves.Caused by inadequate procedure.Valves inspected & verified to be in closed position.W/960524 ltr.
Paper図書
RICHARDSON, P. M.//VAN, NOORDENNEN.NORTHEAST NUCLEAR ENERGY CO.1996/05/24.
Other Libraries in Japan

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