「"HENDERSON, T. A."」の検索結果 | NDLサーチ

検索結果 17 件

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LER 97-016-00:on 971219,vibration-induced turbine electro- hydraulic control sys fluid leak resulted in reactor protection sys & ESF.Caused by vibration-induced fatigue failure.EHC tubing compression fittings,replaced.

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HENDERSON, T. A.CENTERIOR ENERGY1998/01/20.

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著者標目HENDERSON, T. A.

LER 97-010-01:on 970911,loss of electrical power to reactor protection sys bus occurred.Caused by electrical protective assembly (EPA) trip.Replaced EPA logic control board & associated molded case circuit breaker.

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HENDERSON, T. A.CENTERIOR ENERGY1997/10/23.

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著者標目HENDERSON, T. A.

LER 97-017-00:on 970715,HPCS suppression pool water level- high logic actuation occurred.Caused by incomplete assessment of suppression pool level instrumentation channels.Discussed event w/SROs involved.W/980122 ltr.

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HENDERSON, T. A.//MYERS, L. W.CENTERIOR ENERGY1998/01/22.

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著者標目HENDERSON, T. A.//MYERS, L. W.

LER 97-015-00:on 971019,failure of containment penetration leak rate test was noted.Caused by failures of valves to maintain test pressure.Valve body seat was machined & lapped to achieve proper finish.W/971118 ltr.

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HENDERSON, T. A.//MYERS, L. W.CENTERIOR ENERGY1997/11/18.

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著者標目HENDERSON, T. A.//MYERS, L. W.

LER 97-013-00:on 971009,control rod drive hydraulic sys maintenance activities resulted in reactor protection sys actuation.Caused by personnel error.SRO responsible for clearance of tagout was counseled.W/971110 ltr.

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HENDERSON, T. A.//MYERS, L. W.CENTERIOR ENERGY1997/11/10.

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著者標目HENDERSON, T. A.//MYERS, L. W.

LER 97-012-00:on 970923,reactor protection sys actuation occurred.Caused by insufficient procedural guidance.RPS sys operating instruction revised to include table/checklist of reactor mode switch positions & effects on RPS signals.

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HENDERSON, T. A.//MEYERS, L. W.CENTERIOR ENERGY1997/10/23.

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著者標目HENDERSON, T. A.//MEYERS, L. W.

LER 97-011-00:on 970921,TS surveillance test performance resulted in ESFAs.Caused by procedure weakness.Temporarily revised SVI-B21-T2010 & SVI-B21-T2202 to allow completion of instrument check valve testing.W/971021 ltr.

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HENDERSON, T. A.//MYERS, L. W.CENTERIOR ENERGY1997/10/21.

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著者標目HENDERSON, T. A.//MYERS, L. W.

LER 97-014-00:on 971014,inoperable CR was partially withdrawn from reactor core & reinserted during CR testing. Caused by RO not appropriately questioning CR operability. Both day & nightshifts were coached.W/971113 ltr.

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HENDERSON, T. A.//MYERS, L. W.CENTERIOR ENERGY1997/11/13.

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著者標目HENDERSON, T. A.//MYERS, L. W.

LER 97-010-00:on 970911,loss of electrical power to reactor protection sys bus occurred.Caused by electrical protective assembly (EPA) trip.Replace EPA logic control board & associated molded case circuit breaker.W/970930 ltr.

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HENDERSON, T. A.//MYERS, L. W.CENTERIOR ENERGY1997/09/30.

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著者標目HENDERSON, T. A.//MYERS, L. W.

LER 97-008-00:on 970807,TS limits exceeded & plant operation continued w/o performing required actions was determined. Root cause not yet known.Investigation & evaluation continues.W/970905 ltr.

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HENDERSON, T. A.//MYERS, L. W.CENTERIOR ENERGY1997/09/05.

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著者標目HENDERSON, T. A.//MYERS, L. W.

LER 97-009-00:on 970819,automatic actuation of ESF occurred. Caused by personnel error.Individual involved counseled to address deficient work practices.W/970918 ltr.

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HENDERSON, T. A.//MYERS, L. W.CENTERIOR ENERGY1997/09/18.

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著者標目HENDERSON, T. A.//MYERS, L. W.

LER 97-007-00:on 970713,loss of electrical power to reactor protection sys bus occurred due to electrical protective assembly trip.Trip resulted in ESFAs.Caused by unreliable operation of control board.Performed review.W/970812 ltr.

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HENDERSON, T. A.//MYERS, L. W.CENTERIOR ENERGY1997/08/12.

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著者標目HENDERSON, T. A.//MYERS, L. W.

LER 97-006-00:on 970610,high pressure core spray sys actuation w/o injection into reactor pressure vessel occurred.Caused by technician error.Disciplined technicians involved & reviewed SVI-B21-T2010.W/970709 ltr.

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HENDERSON, T. A.//MYERS, L. W.CENTERIOR ENERGY1997/07/09.

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著者標目HENDERSON, T. A.//MYERS, L. W.

LER 97-004-00:on 970516,invalid high suppression pool level signal resulted in ESF actuation.Caused by procedural weakness.Appropriate administrative guidance will be revised.W/970626 ltr.

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HENDERSON, T. A.//MYERS, L. W.CENTERIOR ENERGY1997/06/26.

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著者標目HENDERSON, T. A.//MYERS, L. W.

LER 97-005-00:on 970605,automatic reactor scram occurred. Caused by missing piece of gasket matl.Extensive investigation & evaluation efforts initiated.W/970707 ltr.

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HENDERSON, T. A.//MYERS, L. W.CENTERIOR ENERGY1997/07/07.

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著者標目HENDERSON, T. A.//MYERS, L. W.

LER 97-003-00:on 970322,loss electrical power to RPS bus due to electrical protective assembly trip results in ESFA. Caused by random failure of associated logic control board. Logic control board replaced w/group 9 board.W/970421 ltr.

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HENDERSON, T. A.//MYERS, L. W.CENTERIOR ENERGY1997/04/21.

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著者標目HENDERSON, T. A.//MYERS, L. W.

LER 97-002-00:on 970211,breaker trip caused loss of electrical power to Non-Class 1E bus & resulted in ESF actuation.Caused by random component failure.Ground fault replaced.W/970313 ltr.

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HENDERSON, T. A.//MYERS, L. W.CENTERIOR ENERGY1997/03/13.

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著者標目HENDERSON, T. A.//MYERS, L. W.

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