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LER 97-017-00:on 971009,completion of shutdown was initiated.Caused by degraded condition of safety injection sys found.Caused by failure of cold leg check valve. Leak-rate determination performed.W/971107 ltr.

LER 97-017-00:on 971009,completion of shutdown was initiated.Caused by degraded condition of safety injection sys found.Caused by failure of cold leg check valve. Leak-rate determination performed.W/971107 ltr.
Paper図書
HORN, J.//KOFRON, K. L.COMMONWEALTH EDISON CO.1997/11/07.
Other Libraries in Japan
  • Author HeadingHORN, J.//KOFRON, K. L.

LER 97-013-00:on 970522,valve mistakenly opened & caused post-LOCA leakage to exceed limit.Cause unknown.Licensee identified affected sys & procedures that vent or open affected sys.W/970620 ltr.

LER 97-013-00:on 970522,valve mistakenly opened & caused post-LOCA leakage to exceed limit.Cause unknown.Licensee identified affected sys & procedures that vent or open affected sys.W/970620 ltr.
Paper図書
HORN, J.//KOFRON, K. L.COMMONWEALTH EDISON CO.1997/06/20.
Other Libraries in Japan
  • Author HeadingHORN, J.//KOFRON, K. L.

LER 97-009-00:on 970522,TS surveillance was missed.Caused by mgt error.Weekly ultrasonic testing insp of vulnerable areas in CV discharge pump is being performed & will continue until TS change approved.W/970623 ltr.

LER 97-009-00:on 970522,TS surveillance was missed.Caused by mgt error.Weekly ultrasonic testing insp of vulnerable areas in CV discharge pump is being performed & will continue until TS change approved.W/970623 ltr.
Paper図書
HORN, J.//KOFRON, K. L.COMMONWEALTH EDISON CO.1997/06/23.
Other Libraries in Japan
  • Author HeadingHORN, J.//KOFRON, K. L.

LER 97-011-00:on 970527,missing support on oil cooler caused SI pump to be inoperable due to work process deficiency.Post maint verifications will be added to model work request to provide clear insp.W/970626 ltr.

LER 97-011-00:on 970527,missing support on oil cooler caused SI pump to be inoperable due to work process deficiency.Post maint verifications will be added to model work request to provide clear insp.W/970626 ltr.
Paper図書
HORN, J.//KOFRON, K. L.COMMONWEALTH EDISON CO.1997/06/26.
Other Libraries in Japan
  • Author HeadingHORN, J.//KOFRON, K. L.

LER 96-002-00:on 960321,containment spray additive flowed outside TS required range.Caused by incorrect testing methodology specified in procedure.C/A:revised methodology test performed.W/960416 ltr.

LER 96-002-00:on 960321,containment spray additive flowed outside TS required range.Caused by incorrect testing methodology specified in procedure.C/A:revised methodology test performed.W/960416 ltr.
Paper図書
HORN, J.//KOFRON, K. L.COMMONWEALTH EDISON CO.1996/04/16.
Other Libraries in Japan
  • Author HeadingHORN, J.//KOFRON, K. L.

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