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| Issue date | Title | Topic | |
|---|---|---|---|
| ML20154A726 | 2 September 1988 | Special Rept:On 880726,motor-driven Fire Pump Out of Svc for More than 7 Days.Caused by Action Taken to Allow Cleaning & Insp of of E-42 4 Kv bus.Motor-driven Fire Pump Restored to Operable Status on 880821 | |
| ML20154A961 | 1 September 1988 | Special Rept:On 880822,discharge Pressure Lost While Motor Driven Fire Pump in Operation.Caused by Crack That Formed in Column Pipe Flange Area Where It Bolts to Pump.Motor Driven Pump Removed from Pump Structure,Disassembled & Inspected | |
| ML20154P359 | 27 May 1988 | Special Rept:On 880415,carbon Dioxide Fire Suppression Sys Taken Out of Svc for More than 14 Days.Caused by Continuous Fire Watch Required in Cable Spreading Room During Repair of Hole in Floor.Hole Repaired & Subj Sys Returned to Svc | Fire Barrier Continuous fire watch Fire Watch |
| ML20195B850 | 15 June 1988 | Special Rept:On 870215,packing Leak from RCIC Outboard Isolation Valve Reported to Operating Shift.Caused by Steam Leak.New Grease Replaced.On 870915,degradation to Motor Operator & Field Wiring Discovered.Components Replaced | Packing leak Stroke time |
| ML20195E501 | 3 November 1988 | Special Rept:On 881020,diesel Driven Fire Pump Failed to Start Automatically During Surveillance Test.Caused by Inadequate Test.Diesel Driven Fire Pump & auto-start Feature Tested & Rev of Fire Pumps Surveillance Tests in Process | |
| ML20196G552 | 7 March 1988 | Ro:On 880302 & 05,motor Driven Fire Pumps Declared Inoperable.Caused by Level in Storage Tank Dropped Due to Oil Being Transferred from Storage to Day Tank.Diesel Fuel Added Storage Tank to Bring Level Above 300 Gallon Limit | |
| ML20199F440 | 27 March 1986 | Special Rept:On 860216,during Cold Shutdown,Condensate Storage Tank (CST) Filled & Overflowed Into CST Moat & Outside Moat.Caused by Blown Fuse Resulting in Removal of Power from Hotwell Level Controllers.Fuse Mods Considered | |
| ML20205H256 | 21 October 1988 | Ro:On 881020,diesel Driven Fire Pump Failed to Start Automatically During Performance of Surveillance Test.Cause Under Investigation.Diesel Driven Fire Pump Subsequently Tested Successfully & Returned to Svc | |
| ML20214U034 | 4 June 1987 | Special Rept:During Update of Safe Shutdown Data Base, Conditions Re Unencapsulated Cables in Fire Areas Identified as Reportable Per Confirmatory Action Ltr 86-07 & App R. Caused by Exclusion from Previous Analysis.Fire Watch Begun | Safe Shutdown Fire Watch |
| ML20214W769 | 5 June 1987 | Special Rept:On 870428,bus E22 Deenergized to Perform Series of outage-related Mods,Causing Motor Driven Fire Pump to Be out-of-svc for More than 7 Days,In Violation of Tech Specs. Motor Driven Fire Pump Restored to Svc on 870515 | |
| ML20236K911 | 3 August 1987 | Ro:On 870731,motor Driven Fire Pump Automatically Started on Decreasing Header Pressure at 140 Psig.Caused by Personnel Digging in Yard Directly Behind Radwaste Bldg.Affected Portion of Fire Header Isolated for Repair of Leak | |
| ML20238C507 | 21 December 1987 | Special Rept:On 871111,diesel-driven Fire Pump Failed Surveillance Test & Declared Inoperable.Cause Unknown.Four Sets of Cells for Two Batteries Replaced & Charged W/Portable Charger.Surveillance Test Procedure Revised | |
| ML20245B339 | 14 April 1989 | Special Rept:On 890303,seismic Monitoring Instruments Inoperable for More than 30 Days.Caused by Triaxial Accelerometer Cables Picking Up Electrical Noise Which Caused Spurious Alarms.Noise Filters Will Be Installed | |
| ML20245H446 | 10 August 1989 | Ro:On 890710,diesel Driven Fire Pump Out of Svc for More than 7 Days.Caused by Disconnected Coolant Hose from Engine Block During Test,Draining Coolant from Engine & Heat Exchanger.Insp & Repair of Engine Performed | |
| ML20245J557 | 1 May 1989 | Ro:On 890331,motor Driven Fire Pump Out of Svc in Excess of 7 Days.Caused by Removal of Pump from Svc on 890324 to Allow Implementation of Electrical Mods.Diesel Driven Fire Pump Verified Operable & Tested Every 72 H |