05000354/LER-1986-009-01, :on 860425,technician Moved Adjacent intermediate-range Monitor Cable While Checking Wire Identification Numbers in Preamplifier Cabinet,Causing Spike of Scram Signal.Addl Training Scheduled
05000354/LER-1986-013, :on 860506,during Surveillance Test of Main Steam Line D flow-high Isolation Actuation Trip Circuitry, Technician Inadvertently Interrupted Electrical Power Continuity.Caused by Procedural Error
05000354/LER-1986-003-01, :on 860415,inadvertent Reactor Protection Sys Initiation Occurred During Performance of Neutron Monitoring Sys Troubleshooting Activities.Caused by Technician Error Design Change Request 4 HME-86-742 Submitted
05000354/LER-1986-002-01, :on 860413,inadvertent Channel B LOCA Signal Occurred During Performance of Channel Functional Test Procedure IC-FT.BB-004(Q).Caused by Procedural Inadequacy. Technician Instructed to Check Battery During Testing
05000354/LER-1988-024, :on 880921,nonconservative Calculational Errors Re Calibr Values for Reactor Feedwater Flow Instrumentation Indicated.Caused by Use of Incorrect Data.Action Plan to Address Issue Established
05000354/LER-1986-004-01, :on 860416,noncoincident Reactor Protection Sys Initiation Occurred as Result of Trip Signal Generated by APRM of Neutron Monitoring Sys.Caused by Failure of APRM- Associated Lprm.Lprm Restored