TAC:57932
Request for: Open | |
Initiation
Questions Answers Results
Other: 05000346/LER-1984-009, :on 840616,during Conceptual Design Stage, Discovered That Unanalyzed Situation Existed in Auxiliary Feedwater Pump Rooms.Caused by High Energy Pipe Break. Hardware Mods Planned, 05000346/LER-1985-007, :on 850323,auxiliary Feedwater Pump Did Not Meet 40 Response Time Requirement.Caused by Rate at Which Turbine Accelerated to Full Speed of 3,600 Rpm.Internal Speed Setting Bushing Replaced, 05000346/LER-1985-011, :850602,during Testing,High Turbine Vibration Signal Tripped Turbine,Resulting in Reactor Trip.Caused by High Vibration Due to Reopening of Turbine Control Valve 3. Main Turbine Steam Valve Test Modified, ML19259C593, ML19259C595, ML20126B551, ML20132D113, ML20132D126, ML20132E594, ML20133B990, ML20133D356, ML20155C775 | |
| From | |
MONTHYEARML19259C5951977-10-11011 October 1977
[table view]Supersedes Re Installation of Governor on Auxiliary Feed Pumps.Defect May Cause Governor to Bind, Preventing Turbine Reaching Design Speed ML19259C5931977-11-14014 November 1977 Forwards Suppl to LER NP-32-77-16 to Provide Addl Info Re 770924 Primary Sys Depressurization & Release of Steam in Containment.Describes Multiple Failures of Equipment.Makeup Pumps Stabilized Primary Sys & Permitted Cold Shutdown 05000346/LER-1984-009, :on 840616,during Conceptual Design Stage, Discovered That Unanalyzed Situation Existed in Auxiliary Feedwater Pump Rooms.Caused by High Energy Pipe Break. Hardware Mods Planned1985-05-0707 May 1985
ML20132E5941985-07-29029 July 1985 Part 21 & Deficiency Rept Re Torrey Pines Technology Limitorque motor-operated Valve Bypass Limit Switch Setting Procedure.Initially Reported in 850725 Telcon.Procedure Will Be Modified 1985-06-17 | |