ML19326A120
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| ML19326A120 | |
| Person / Time | |
|---|---|
| Site: | Davis Besse  |
| Issue date: | 05/07/1976 |
| From: | Roe L TOLEDO EDISON CO. |
| To: | |
| Shared Package | |
| ML19326A118 | List: |
| References | |
| NUDOCS 8001310677 | |
| Download: ML19326A120 (1) | |
Similar Documents at Davis Besse | |
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Category:DEFICIENCY REPORTS (PER 10CFR50.55E & PART 21)
MONTHYEARML20115J3981996-07-22022 July 1996
[Table view]Interim Part 21 Rept Re 3/4 Schedule 80 Pipe Furnished to Consolidated Power Supply.Investigation Revealed Only One Nuclear Customer Involved in Sale of Matl ML20072T0171994-08-30030 August 1994 Final Part 21 Rept Re Gimpel Trip & Throttle valve.Dresser- Rand Changed Nuclear Part Insp Records for Both Coupling & Stem to Require That Parts Be Tagged W/Proper Assembly Instructions ML20072A7871994-08-0505 August 1994 Initial Part 21 Rept 038 Re Failure of Gimpel Trip Throttle Valve to Open During Testing of AFW Pump Turbine at Toledo Edison.Subj Valve Stems Should Be Tagged W/Instructions Defining Proper Procedures for Securing Stem to Coupling ML20044G5311993-05-26026 May 1993 Suppl to 921207 Part 21 Rept Re Declutch Sys Anomaly in Certain Types of Valve Actuators Supplied by Limitorque Corp.Limitorque Designed New Declutch Lever Which Will Be Available in First Quarter 1993 ML20126J5961992-12-31031 December 1992 Part 21 Rept Re Potential Loss of RHR Cooling During Nozzle Dam Removal.Nozzle Dams May Create Trapped Air Column Behind Cold Leg Nozzle Dam.Mod to Nozzle Dams Currently Underway. Ltrs to Affected Utils Encl ML20125C7161992-12-0707 December 1992 Part 21 Rept Re Possibility for Malfunction of Declutching Mechanisms in SMB/SB-000 & SMB/SB/SBD-00 Actuators. Malfunction Only Occurs During Seismic Event.Balanced Levers May Be Purchased from Vendor.List of Affected Utils Encl ML20127P5861992-11-23023 November 1992 Followup to 921005 Part 21 Rept Re Potential Defect in SB/SBD-1 Housing Cover Screws.Procedure Re Replacement of SBD-1 Spring Cover Bolts Encl.All Fasteners Should Be Loosened & Removed.List of Affected Utils Encl ML20096F5921992-05-11011 May 1992 Followup to 920417 Part 21 Rept 10CFR21-0062 Re Failed Shaft in DG W/Emd 645 Series Engines Using Turbochargers Remanufactured from May 1991 to Jan 1992.Turbochargers Should Be Removed & Returned to EMD for Insp/Repair ML20005G6831990-01-0505 January 1990 Part 21 Rept Re Installation Instructions for Grommet Use Range for Patel Conduit Seal P/N 841206.Conduit Seals in Environ Qualification Applications Inspected for Proper Wire Use Range & Grommets Replaced ML20235U0291989-02-27027 February 1989 Part 21 Rept Re Velan Maint Manual VEL-FBBM 2 1/2-24 Inch Forged Bolted Bonnet Gate & Globe Valves & Bolted Cover Check Valves.Investigation Revealed That Dry Film Lubricant Not Appropriate.Lubrication Manual Revised ML20245D9541988-09-0606 September 1988 Part 21 Rept Re Condition Involving Inconel 600 Matl Used to Fabricate Steam Generator Tube Plugs & Found to Possess Microstructure Susceptible to Stress Corrosion Cracking ML20153B2811988-02-22022 February 1988 Part 21 Rept Re Defect in Operation of Gas Monitors Using Fixed Filters.Initially Reported on 880212.Caused by Error in Software for Monitors.Vendor Testing Mod to Software & in Interim Recommends Changing Filters Every 48 H ML20209F2931987-04-27027 April 1987 Part 21 & Deficiency Rept Re Gas Bubble Formation Between Diaphragm Layers within Sensing Element of Sor Series Switches.Cause Not Yet Isolated.Formation of Bubble May Cause Setpoint to Shift Outside Tech Specs ML20210C9771987-04-27027 April 1987 Part 21 Rept Re Use of Incorrect Equation for Predicting Thrust Required to Close Valves AF-599 & AF-608.Initially Reported on 861031.Evaluation Concludes That Std Vendor Formula for Calculation of Thrust Conservative ML20211P7211987-02-23023 February 1987 Part 21 Rept Re Rockbestos Coaxial Cable Used in Sorrento Electronics Digital & Analog high-range Radiation Monitor. Insulation Resistance at High Temp Not High Enough for Ion Chamber & Associated Electronics to Operate Properly ML20210F4761987-02-0303 February 1987 Part 21 Rept Re Problem in Torque Switches Supplied W/ Limitorque Operators Installed at Facility.Initially Reported on 870129.Limitorque Did Not Supply Adequate Instructions to Maintain Torque Switches Balance ML20212E6261986-12-22022 December 1986 Possible Part 21 Rept Re 36-inch Rockwell Intl Globe Valves Used as Msivs.Initially Reported on 861218.Mfg May Not Have Accounted for Changes in Valve Operating Characteristics W/ Temp & Pressure.Determination of Reportability Underway ML20213F8601986-11-0505 November 1986 Final Part 21 Rept Re Velan Main Steam to Auxiliary Feedwater Pump Isolation Valve MS-107A Received W/O Stellite on Valve Disc Guide Faces.Initially Reported on 861031.Item Not Reportable Per 10CFR21 ML20215G5351986-10-10010 October 1986 Part 21 Rept Re Vendor Tests of air-operated Diaphragm Valves Revealing Natural Frequencies Less than Required Values of 33 Hz.Initially Reported on 841227.No Adverse Effects Noted During Testing ML20215G6801986-10-10010 October 1986 Part 21 Rept Re Vendor Tests of air-operated Diaphragm Valves Revealing Natural Frequencies Less than Required Values of 33 Hz.Initially Reported on 841227.No Adverse Effects Noted During Testing ML20199G4391986-06-16016 June 1986 Final Part 21 Rept Re Hydraulic Fluid Leakage in Itt General Controls Hydramotor Actuators.Initially Reported on 860418. Caused by Lack of Adequate Testing & Preventive Maint. Condition Not Reportable Under Part 21 ML20195D2171986-05-27027 May 1986 Rev 1 to Part 21 Rept Re Dowel Displacement on Connecting Rod Bearings Purchased During Nov 1985 - Apr 1986.Initially Reported on 860421.Rod Bearings Will Be Inspected Dimensionally.Further Info Forthcoming ML20203Q1201986-04-30030 April 1986 Part 21 Rept Re Itt General Controls Hydramotor Actuators Leaking Hydraulic Fluid.Initially Reported on 860418.Cause of Leakage Currently Being Evaluated.Evaluation Expected to Be Completed by 860602 ML20151R6851986-01-28028 January 1986 Potential Part 21 & Deficiency Rept Re Field Wire Wrap Practice of Consolidated Controls Corp.Initially Reported on 860124.Procedure Written for Installation & Removal of Wire Wrap Connections.Addl Info to Be Sent as 30-day LER ML20140D6691986-01-28028 January 1986 Part 21 & Deficiency Rept Re Blocked Venturi Holes in Air Start Motor Lubricator Assembly of EMD 20-645E4 Emergency Diesel Generators.Initially Reported on 860127.Further Info Will Be Forwarded When Available 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 ML20133K8931985-07-29029 July 1985 Deficiency & Part 21 Rept Re Error in Torrey Pines Bypass Limit Switch Setting Procedure Contributing to Limitorque Valve Operator Torquing Out.Bypass Limit Switch Setting Procedure Modified.Addl Info Will Be Provided in 30-day LER ML20108B6381984-11-0101 November 1984 Part 21 Rept Re Defect in Velan Swing Check Valves Causing Valve Disc to Improperly Align W/Valve Seat.All Four High Pressure Injection Swing Check Valves Will Be Disassembled During Refueling Outage & Valve Internals Modified ML20091N2381984-06-0101 June 1984 Part 21 Rept Re Four of Nine Westinghouse Supplied Replacement Items for Motor Control Ctrs Substantiated as Being Same or Equivalent to & Physically Interchangeable W/ Original Components ML20086U4251984-02-24024 February 1984 Followup Part 21 Rept Re Defective Mechanical Snubber Capstan Springs Supplied by Pacific Scientific.Affected Utils Listed.Purchasers Have Been Notified & Advised to Work Directly W/Pacific Scientific in Disposition ML20087H6091983-12-16016 December 1983 Part 21 Rept Re Nonconformance of Metal Hose Assemblies for Asme,Section Iii,Class 2 & 3 Svc.Status of Nonconforming Items Shipped Encl.All Customers Notified ML20079R1081983-06-17017 June 1983 Part 21 Rept Re Adequacy of Fittings Supplied by Tube-Line Corp Through Capitol Pipe & Steel Products Co for Use on New Auxiliary Feedwater Headers of Steam Generators.Flanges Not heat-treated as Required by Matl Specs ML20092D8621982-09-23023 September 1982 Part 21 Rept Re Upgrading of Stock Matl Outside Scope of NCA-3867.4(e) Due to Misunderstanding of Code Case N242.1. Initially Reported on 820922.Concerned Vendors & Licensees Notified.Use of Code Case N-310 Suggested ML19317F7561978-03-15015 March 1978 Part 21 Re Instrumentation/Reactor Protection Sys Experiencing Loss of Electrical Ground to Instrument Common Bus W/O Loss Being Detected.Corrective Action to Probably Include Periodic Testing to Prove Ground ML19329B7241978-03-15015 March 1978 Interim Deficiency Rept Re Auxiliary Shutdown Cabinet Unanchored by Required External Gussets.Gussets to Be Installed Prior to Startup ML19329B8891978-02-24024 February 1978 Deficiency Rept Re Control Rod Drive Sys Trip Circuit Breaker Cabinets:During Insp,Cabinet Welds Found Shorter than on Shaker Table Test Qualified Cabinet.Addl Weld Length to Be Added ML19329B8911977-11-16016 November 1977 Deficiency Rept Re Closed Governing Valve on Auxiliary Feed Pump Turbine.Caused by Excessive Vibration of Adjacent Startup Feed Pump.Turbine Supplier Investigating.Corrective Action to Be Completed in Two Wks ML20090F4011977-10-11011 October 1977 Part 21 Rept Re Defective Auxiliary Feed Pump Governor. Initially Reported on 770930.Governor Modified at Woodward Governor Co Facilities ML19329B7721977-10-0505 October 1977 Deficiency Rept Re Potential of Auxiliary Feed Pump Governor to Bind.Caused by Misalignment Forces Applied to Governor T-bar.Procedure Mod Underway to Shut Turbine W/Governor Servometer in Low Speed Stop Position ML19317F5991977-04-27027 April 1977 Final Deficiency Rept Re Lock Nut Staking on Type Smb Limitorque Operated Valves.Insp Program Implemented & Operators Staked ML19317F5821977-04-0404 April 1977 Final Deficiency Rept Re Westinghouse Motor Control Ctr 400 Amp Stabs.Westinghouse 770225 Ltr Identified Potential Deficiency in 400 Amp Stabs & Provided Design Mods.Mod Completed ML19317F5741977-03-23023 March 1977 Final Deficiency Rept Re Safety Features Actuation Sys Diesel Overload.Manual Trip Buttons Replaced by seal-in Mechanical Trip Buttons to Provide Manual Trip Signal & Allow Sequencer to Properly Load Diesel ML19329A8671977-03-0909 March 1977 Final Deficiency Rept Re Lack of Chambers on Lower Guide Lugs & Use of Hand Grinders During Repair of Upper Keyways Contrary to Specified Procedure.Discovered During Initial Out of Level Life of Core Support Assembly ML19319B9161977-02-22022 February 1977 Final Deficiency Rept Re Human Error in Calculating Calibr Correction Factor for Model 848-18 Victoreen Field Calibr Kit.Corrective Action:Random Samples Now Compared W/Data Taken by Calibr Technician ML19317F6111977-02-22022 February 1977 Final Deficiency Rept Re Victoreen Calibrator Use in Calibr of Radiation Monitor.Intercomparison of Facility & Vendor Calibrators Caused Error.Calibr Procedure Instituted Correlating Sample & Technician Data Prior to Calibr ML19329B2821977-01-21021 January 1977 Deficiency Rept Re Diesel Generator Sequencer Design.During Review of Safety Features Actuation Sys,Safety Actuation Signal to Emergency Diesel Generator Found Blocked.Loss of Offsite Power Signal to Be Added to Reset Logic ML19319B3591977-01-20020 January 1977 Final Deficiency Rept Re Hpis Pump,High Bearing Temp. Pump Thrust Bearing Temp Exceeded 170 F max.Closed-loop, Water Cooled Sys Designed & Installed.Preoperational Testing Performed on Forced Lubrication Oil Sys ML19329B2861976-11-0101 November 1976 Deficiency Rept Re Instrument Mounting Bracket.B&W Brackets Found Seismically Unqualified.Bechtel Analyzed Design & Found It Adequate to Withstand Max Earthquake Per FSAR ML19329B0961976-10-27027 October 1976 Final Deficiency Rept Re Use of Seismically Unqualified GE Type Hfa Relay.Relays Retested & Found Qualified ML19329B0971976-10-27027 October 1976 Final Deficiency Rept Re Broken Valve Actuator Yoke on Isolation Valve MU-HV66B.Cast Iron Yokes Replaced W/Steel 1996-07-22 Category:TEXT-SAFETY REPORT MONTHYEARML20217K1231999-10-14014 October 1999
[Table view]Revised Positions for DBNPS & Pnpp QA Program ML20217D5441999-09-30030 September 1999 Monthly Operating Rept for Sept 1999 for Davis-Besse Nuclear Power Station.With ML20211R0811999-08-31031 August 1999 Monthly Operating Rept for Aug 1999 for Davis-Besse Nuclear Power Station,Unit 1.With ML20211B0271999-08-13013 August 1999 SER Accepting Second 10-year Interval Inservice Insp Requests for Relief RR-A16,RR-A17 & RR-B9 for Plant, Unit 1 ML20210Q8541999-07-31031 July 1999 Monthly Operating Rept for July 1999 for Davis-Besse Nuclear Power Station,Unit 1.With ML20209E6231999-06-30030 June 1999 Monthly Operating Rept for June 1999 for Davis-Besse Nuclear Power Station,Unit 1.With ML20195K2871999-06-16016 June 1999 Safety Evaluation Accepting Licensee Response to GL 95-07, Pressure Locking & Thermal Binding of Safety-Related Power-Operated Gate Valves ML20195F4871999-05-31031 May 1999 Monthly Operating Rept for May 1999 for Davis-Besse Nuclear Power Station,Unit 1.With ML20207E8011999-05-19019 May 1999 Non-proprietary Rev 2 to HI-981933, Design & Licensing Rept DBNPS Unit 1 Cask Pit Rack Installation Project ML20207F4351999-05-0404 May 1999 Rev 1 to DBNPS Emergency Preparedness Evaluated Exercise Manual 990504 ML20206M6341999-04-30030 April 1999 Monthly Operating Rept for Apr 1999 for Davis-Besse Nuclear Station,Unit 1.With ML20205M2931999-03-31031 March 1999 Monthly Operating Rept for Mar 1999 for Davis-Besse Nuclear Power Station.With ML20207J1461999-02-28028 February 1999 Monthly Operating Rept for Feb 1999 for Davis-Besse Nuclear Power Station,Unit 1.With ML20199H5931999-01-20020 January 1999 Safety Evaluation Accepting Thermo-Lag Re Ampacity Derating Issues for Plant ML20204J6751998-12-31031 December 1998 1998 Annual Rept for Dbnps,Unit 1,PNPP,Unit 1 & BVPS Units 1 & 2 ML20199E2501998-12-31031 December 1998 Monthly Operating Rept for Dec 1998 for Davis-Besse Nuclear Power Station,Unit 1.With ML20206B0101998-12-31031 December 1998 1998 Annual Rept for Firstenergy Corp, for Perry Nuclear Power Plant & Davis-Besse Nuclear Power Station.Form 10-K Annual Rept to Us Securities & Exchange Commission for Fiscal Yr Ending 981231,encl ML20205K5781998-12-31031 December 1998 Waterhammer Phenomena in Containment Air Cooler Swss ML20197J3441998-11-30030 November 1998 Monthly Operating Rept for Nov 1998 for Davis-Besse Nuclear Power Station,Unit 1.With ML20195D0001998-10-31031 October 1998 Monthly Operating Rept for Oct 1998 for Davis-Besse Nuclear Power Station,Unit 1.With ML20155B6781998-10-28028 October 1998 Safety Evaluation Accepting Proposed Reduction in Commitment Changes in QA Program Matl Receipt Insp Process ML20154H5801998-09-30030 September 1998 Monthly Operating Rept for Sept 1998 for Davis-Besse Nuclear Power Station,Unit 1.With ML20151W1611998-08-31031 August 1998 Monthly Operating Rept for Aug 1998 for Dbnps.With ML20237E3171998-08-21021 August 1998 ISI Summary Rept of Eleventh Refueling Outage Activities for Davis-Besse Nuclear Power Station ML20237B1681998-07-31031 July 1998 Monthly Operating Rept for July 1998 for Davis-Besse Nuclear Power Station,Unit 1 ML20236U5011998-07-23023 July 1998 Special Rept:On 980624,Unit 1 Site Damaged by Tornado & High Winds.Alert Declared by DBNPS Staff,Dbnps Emergency Response Facilities Activiated & Special Insp Team Deployed to Site by Nrc,As Result of Event ML20236R1441998-07-15015 July 1998 SER Related to Quality Assurance Program Description Changes for Davis-Besse Nuclear Power Station,Unit 1 ML20236N7451998-06-30030 June 1998 Monthly Operating Rept for June 1998 for Davis-Besse Nuclear Power Station,Unit 1 ML20236K3981998-06-30030 June 1998 SER Accepting in Part & Denying in Part Relief Requests from Some of ASME Section XI Requirements as Endorsed by 10CFR50.55a for Containment Insp for Davis-Besse Nuclear Power Station,Unit 1 ML20236K5131998-06-29029 June 1998 Safety Evaluation Accepting Proposed Alternate Emergency Operations Facility Location for Davis-Besse Nuclear Power Station,Unit 1 ML20248F7441998-05-31031 May 1998 Reactor Vessel Working Group,Response to RAI Regarding Reactor Pressure Vessel Integrity ML20249A4121998-05-31031 May 1998 Monthly Operating Rept for May 1998 for Davis-Besse Nuclear Power Station,Unit 1 ML20196B5221998-05-23023 May 1998 10CFR50.59 Summary Rept of Facility Changes,Tests & Experiments Dbnps,Unit 1 for 960602-980523 ML20236E7581998-05-19019 May 1998 Rev 0 to Davis-Besse Unit 1 Cycle 12 Colr ML20236N7501998-04-30030 April 1998 Rev 2 to Monthly Operating Rept for Apr 1998 for Davis-Besse Nuclear Power Station,Unit ML20247F6721998-04-30030 April 1998 Monthly Operating Rept for Apr 1998 for Davis-Bess Nuclear Power Station,Unit 1 ML20249A4141998-04-30030 April 1998 Revised Monthly Operating Rept for Apr 1998 for Davis-Besse Nuclear Power Station,Unit 1 ML20217P8041998-04-0707 April 1998 11RFO OTSG ECT Insp Scope ML20216B4041998-03-31031 March 1998 Monthly Operating Rept for Mar 1998 for Davis-Besse Nuclear Power Station,Unit 1 ML20216C5131998-02-28028 February 1998 Monthly Operating Rept for Feb 1998 for Davis-Besse Nuclear Power Station,Unit 1 ML20202D3721998-01-31031 January 1998 Monthly Operating Rept for Jan 1998 for Davis-Besse Nuclear Power Station,Unit 1 ML20199G6321998-01-26026 January 1998 Rev 1 to Davis-Besse Unit 1,Cycle 11,COLR ML20198R4771998-01-13013 January 1998 SER Approving Second 10-year Interval Inservice Inspection Program Plan Requests for Relief for Davis-Besse Nuclear Power Station,Unit 1 ML20198K7931997-12-31031 December 1997 Monthly Operating Rept for Dec 1997 for Davis-Besse Nuclear Power Station,Unit 1 ML20217K6401997-12-31031 December 1997 1997 Annual Rept First Energy ML20203A3931997-11-30030 November 1997 Monthly Operating Rept for Nov 1997 for Davis-Besse Nuclear Power Plant,Unit 1 ML20198S5371997-10-31031 October 1997 Monthly Operating Rept for Oct 1997 for Davis-Besse Nuclear Power Station ML20217H7701997-09-30030 September 1997 Monthly Operating Rept for Sept 1997 for Davis-Besse Nuclear Power Station,Unit 1 ML20216H3261997-08-31031 August 1997 Monthly Operating Rept for August 1997 for DBNPS ML20217K0241997-07-31031 July 1997 Monthly Operating Rept for Jul 1997 for Davis Besse Nuclear Power Station,Unit 1 1999-09-30 |
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