05000395/LER-1982-049, Forwards LER 82-049/03L-0.Detailed Event Analysis Encl
DCL-84-079, Special Rept 84-02:on 840123,fire Water Pump 1 Declared Inoperable After Pump Motor Circuit Breaker Tripped. Caused by Frequent Motor Starts in Short Time Period. Surveillance Test Conducted & Pump Returned to Svc
05000338/LER-1987-007-01, :on 870422,during Mode 5,RHR Sys Temporarily Lost When Power Lost on 120-volt Ac Vital Bus 1-III.Caused by Blown Fuse Resulting in Inverter Failure.Tech Spec Will Be Changed to Eliminate RHR Interlock
05000302/LER-1988-020, :on 881012,hydraulic Snubber RCH-81 Found Disconnected at Piping End.Snubber Removed to Allow Maint on Adjacent Valve on 871119.Snubber Reinstalled.Procedure Revised for Tracking Purpose
05000346/LER-1984-007, :on 840517,during Diesel Fire Pump Surveillance Test,Pump Declared Inoperable When Right Angle Drive Gear Assembly Made Excessive Noise.Caused by Sticking Spherical Roller Bearings.Bearings Replaced
05000302/LER-1983-053-03, Safety-related Hydraulic Snubber MSH-252 Declared Inoperable When Lack of Oil Level Indication Noted in Sightglass.Caused by Loose jam-nut on Stationary End of Snubber,Allowing Rotation
05000275/LER-1983-018-03, /03L-0:on 830715,discovered Raw Water Reservoir Isolated from Fire Suppression Header,Rendering Fire Suppression Water Sys Inoperable.Caused by Failure to List Valve MU-O-274 on Checklist
05000302/LER-1982-029-03, /03L-0:on 820331,hydraulic Snubber MSH-168 Found Leaking Hydraulic Fluid.Caused by Leaking Shaft Seal.Snubber Shaft Seal Replaced
0CAN048203, Responds to NRC Re Violations Noted in IE Insp Repts 50-313/82-01 & 50-368/82-01.Corrective Actions: Radiation Areas Posted & Procedures Emphasized at 820113-14 Daily Prework Meetings
05000336/LER-1982-049, Forwards LER 82-049/01T-0.Detailed Event Analysis Encl
05000302/LER-1983-021-03, /03L-0:on 830504,three Hydraulic Snubbers Failed Functional Test During Dec Outage & 107 Snubbers Failed Test During Refuel Iv.Caused by Seal Failure & Valve Assembly Contamination.All Snubbers Modified
05000302/LER-1981-054-03, /03L-0:on 810806,over Past Several Yrs,Various Hydraulic Snubbers Had Been Repaired for Causes Not Attributable to Specific Shutdown Activity.Caused by Cracked Aluminum Bushings.Bushings Replaced
05000302/LER-1980-057-03, /03L-0:on 801218,seal Matl Fabricated from Nonapproved Matls Found Installed in Approx 13 Hydraulic Snubbers.Caused by Failure to Identify Nonconforming Matls in Receiving Insp.Personnel Received Training
2CAN121901, License Amendment Request Technical Specification Deletions, Additions, and Relocations
05000346/LER-1978-042-03, /03L-1:on 780427,engine Battery Cell Electrolyte Level Found Below Plates During Fire Pump Surveillance Test. Battery Voltmeter Reading & Water Jacket Temp Found Below Normal.Heater Replaced & Electrolyte Level Raised
05000346/LER-1978-048-03, /03L-0:on 780508,fire Started When Operator Started Fire Pump.Caused by Starter Contact Component Failure.Defective Contacts Replaced.Electric Fire Pump Tested & Returned to Svc 780510
05000346/LER-1978-092-03, /03L-0:on 780817,diesel Fire Pump Started Below Required Pressure During Surveillance Test.Caused by Pressure Start Switch Ps 1047 Component Failure.Low Pressure Setpoint Had Drifted.Switch Recalibr & Test Completed
05000335/LER-1989-008-03, :on 891229,discovered That Source 29 Not on Health Physics List of Sealed Sources & Had Missed Two Leak Tests.Caused by Personnel Error.Leak Test Performed Per Procedure HP-43 & Audit of Sources Completed
DCL-08-093, Response to NRC Request for Additional Information Regarding License Amendment Request 08-02, Revision to Technical Specifications 3.7.5, Auxiliary Feedwater System, and 3.7.6, Condensate Storage Tank and Fire Water