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Forwards supplemental LER 96-025-01 which documents an event that occurred at MNPS,Unit 2 on 960401.Commitments made within ltr,listed.

Forwards supplemental LER 96-025-01 which documents an event that occurred at MNPS,Unit 2 on 960401.Commitments made within ltr,listed.
Paper図書
RICHARDSON, P. M.NORTHEAST NUCLEAR ENERGY CO.,NORTHEAST UTILITIES SERVICE CO.1996/11/08.
Other Libraries in Japan

Forwards LER 96-033-00.Licensee commitments listed.

Forwards LER 96-033-00.Licensee commitments listed.
Paper図書
RICHARDSON, P. M.NORTHEAST NUCLEAR ENERGY CO.,NORTHEAST UTILITIES SERVICE CO.1996/11/25.
Other Libraries in Japan

Forwards LER 96-035-00,documenting occurrence on 961009. Commitments listed.

Forwards LER 96-035-00,documenting occurrence on 961009. Commitments listed.
Paper図書
RICHARDSON, P. M.NORTHEAST NUCLEAR ENERGY CO.,NORTHEAST UTILITIES SERVICE CO.1996/12/09.
Other Libraries in Japan

Forwards LER 96-031-00 which documents event that occurred at MNPS,Unit 2 on 961003.Commitments,listed.

Forwards LER 96-031-00 which documents event that occurred at MNPS,Unit 2 on 961003.Commitments,listed.
Paper図書
RICHARDSON, P. M.NORTHEAST NUCLEAR ENERGY CO.,NORTHEAST UTILITIES SERVICE CO.1996/11/04.
Other Libraries in Japan

Forwards LER 96-029 documenting 960715 event re error made in tracking due date.

Forwards LER 96-029 documenting 960715 event re error made in tracking due date.
Paper図書
RICHARDSON, P. M.NORTHEAST NUCLEAR ENERGY CO.,NORTHEAST UTILITIES SERVICE CO.1996/09/16.
Other Libraries in Japan

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

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

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

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

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

LER 96-034-00:on 961004,declared meterological monitoring instrumentation inoperable due to inadequate preparation of TS.Completed loop accuracy calculation & will request rev to TS to remove instrument accuracy requirement.W/961209 ltr.

LER 96-034-00:on 961004,declared meterological monitoring instrumentation inoperable due to inadequate preparation of TS.Completed loop accuracy calculation & will request rev to TS to remove instrument accuracy requirement.W/961209 ltr.
Paper図書
LAUDENAT, R. T.//RICHARDSON, P. M.NORTHEAST NUCLEAR ENERGY CO.,NORTHEAST UTILITIES SERVICE CO.1996/12/09.
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 96-025-00: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 96-030-00:on 960829,failure to perform Section XI testing for closure of HPSI sys pump discharge check valves identified.Caused by inadequate assessment of valves.HPSI pump discharge check valves isolated.W/960926 ltr.

LER 96-030-00:on 960829,failure to perform Section XI testing for closure of HPSI sys pump discharge check valves identified.Caused by inadequate assessment of valves.HPSI pump discharge check valves isolated.W/960926 ltr.
Paper図書
EHREDT, M. D.//RICHARDSON, P. M.NORTHEAST NUCLEAR ENERGY CO.,NORTHEAST UTILITIES1996/09/26.
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

LER 96-032-00:on 961008,potential failure of reactor coolant sys vent sys to perform design function identified.Cause has not been determined.Conditions of event under investigation. W/961107 ltr.

LER 96-032-00:on 961008,potential failure of reactor coolant sys vent sys to perform design function identified.Cause has not been determined.Conditions of event under investigation. W/961107 ltr.
Paper図書
LAUDENAT, R. T.//RICHARDSON, P. M.NORTHEAST NUCLEAR ENERGY CO.,NORTHEAST UTILITIES SERVICE CO.1996/11/07.
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 96-021-00: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 96-022-00: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
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