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検索結果 9 件

LER 99-016-00:on 990615,TS requirements for source range neutron flux monitors not met.Caused by failure to understand design basis of plant.Procedures revised.With 990713 ltr.

LER 99-016-00:on 990615,TS requirements for source range neutron flux monitors not met.Caused by failure to understand design basis of plant.Procedures revised.With 990713 ltr.
紙図書
BAKKEN, A. C.//SNODGRASS, D. D.INDIANA MICHIGAN POWER CO.,INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG1999/07/13.
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LER 98-044-00:on 981001,offsite power availability was not verified as required by TS surveillance.Caused by inadequate procedure that governed document changes.Revised appropriate surveillance procedures.With 981102 ltr.

LER 98-044-00:on 981001,offsite power availability was not verified as required by TS surveillance.Caused by inadequate procedure that governed document changes.Revised appropriate surveillance procedures.With 981102 ltr.
紙図書
SAMPSON, J. R.//WEBER, L.INDIANA MICHIGAN POWER CO.,INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG1998/11/02.
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LER 97-026-00:on 970925,determined potential failure of control air headers due to overpressurization.Installed safety valves on all regulated air headers & continuing analysis on RHR heat exchanger valves.W/971027 ltr.

LER 97-026-00:on 970925,determined potential failure of control air headers due to overpressurization.Installed safety valves on all regulated air headers & continuing analysis on RHR heat exchanger valves.W/971027 ltr.
紙図書
BENES, J.//BLIND, A. A.INDIANA MICHIGAN POWER CO.,INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG1997/10/27.
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LER 97-024-00:on 970917,identified fibrous matl in Unit 2 electrical cable tray.Cause indeterminate.Removed duct tape & fibrous matl from containment.Supplemental LER will be issued by 971117.W/971017 ltr.

LER 97-024-00:on 970917,identified fibrous matl in Unit 2 electrical cable tray.Cause indeterminate.Removed duct tape & fibrous matl from containment.Supplemental LER will be issued by 971117.W/971017 ltr.
紙図書
BLIND, A. A.//SCHOEPF, P.INDIANA MICHIGAN POWER CO.,INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG1997/10/17.
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LER 97-021-00:on 970910,discovered potential for single active failure to occur during switchover from RWST suction to recirculation sump suction.Cause indeterminate.Revised EOPs to preclude single active failure.W/971010 ltr.

LER 97-021-00:on 970910,discovered potential for single active failure to occur during switchover from RWST suction to recirculation sump suction.Cause indeterminate.Revised EOPs to preclude single active failure.W/971010 ltr.
紙図書
BLIND, A. A.//SCHOEPF, P.INDIANA MICHIGAN POWER CO.,INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG1997/10/10.
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LER 97-S01-00:on 971009,control of vital areas lost due to personnel error.Retrained personnel involved on vital area breach conditions & modified procedure which controls removal of missile block.W/971110 ltr.

LER 97-S01-00:on 971009,control of vital areas lost due to personnel error.Retrained personnel involved on vital area breach conditions & modified procedure which controls removal of missile block.W/971110 ltr.
紙図書
BLIND, A. A.//RUSSELL, P.INDIANA MICHIGAN POWER CO.,INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG1997/11/10.
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LER 97-023-00:on 970916,design change introduced possibility of single failure which could have resulted in loss of both trains of ESF ventilation.Design change to provide actuator air to inlet dampers is being installed.W/971016 ltr.

LER 97-023-00:on 970916,design change introduced possibility of single failure which could have resulted in loss of both trains of ESF ventilation.Design change to provide actuator air to inlet dampers is being installed.W/971016 ltr.
紙図書
BLIND, A. A.//MANGAN, P.INDIANA MICHIGAN POWER CO.,INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG1997/10/16.
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LER 97-020-00:on 970910,containment recirculation sump inlet venting configuration was not maintained following sump mods.Caused by incorrectly identified vent holes.Five vent holes have been reestablished.W/971010 ltr.

LER 97-020-00:on 970910,containment recirculation sump inlet venting configuration was not maintained following sump mods.Caused by incorrectly identified vent holes.Five vent holes have been reestablished.W/971010 ltr.
紙図書
BLIND, A. A.//SCHOEPF, P.INDIANA MICHIGAN POWER CO.,INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG1997/10/10.
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LER 97-016-00:on 970912,determined that RHR sys had operated outside design basis for sys.Cause indeterminate.Revised applicable normal sys operating procedures & will complete evaluation of safety consequences re event.W/970929 ltr.

LER 97-016-00:on 970912,determined that RHR sys had operated outside design basis for sys.Cause indeterminate.Revised applicable normal sys operating procedures & will complete evaluation of safety consequences re event.W/970929 ltr.
紙図書
BLIND, A. A.//GILLESPIE, B.INDIANA MICHIGAN POWER CO.,INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG1997/09/29.
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