ML19249F175
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| ML19249F175 | |
| Person / Time | |
|---|---|
| Site: | Three Mile Island  |
| Issue date: | 08/13/1975 |
| From: | Fowler J ROCKWELL INTERNATIONAL CORP. |
| To: | |
| Shared Package | |
| ML19249F172 | List: |
| References | |
| 2573-51, PROB-750813, NUDOCS 7910100582 | |
| Download: ML19249F175 (66) | |
Similar Documents at Three Mile Island | |
|---|---|
Category:PROBLEM/MAINTENANCE REPORT
MONTHYEARML19242E1481979-04-0101 April 1979
[Table view]Incident Message Forms C-1 Through C-79 for 790328-0401 Re TMI Incident ML20024B2791979-03-28028 March 1979 Problem Re Loss of Feedwater While Operating at 98% Power ML20136C2051979-03-23023 March 1979 Summary Work List Re Various Instruments & Sys. Radiological Ref 130 ML19254B0081979-02-27027 February 1979 Work Request Re Return of Monitor RM-A-12 to Svc.Cancelled ML19249C7051979-02-25025 February 1979 Work Request for Repair of Scanner Radio.Radiological Ref 54 ML20125D8921979-02-20020 February 1979 On 780329,reactor Tripped on Pump Power Trip,Followed by Rapid Depressurization of Rcs.Caused by De Energizing of Vital Power Supply 2-4.Review Underway Re Isolation, Surveillance & Operating Procedures ML20136C0651979-02-20020 February 1979 Site Problem Rept 198 Re Inability to Adjust Delta Flux Difference Amplifiers to Obtain K Factors Greater than Five Per Results of Tp 800/18,power Imbalance Detector Correlation Test.Old & New Wiring Diagrams Encl ML19290A0941978-11-29029 November 1978 TMI Corrective Maint Procedure 1407-1 to Provide Guidance in Use of Generation Maint Computer Sys.Procedure Is Applicable During All Modes of Plant Operation ML20136C0871978-10-15015 October 1978 Site Problem Rept 191 Re a & B Makeup Pump Gear Lube Oil Sys.Bearing Pressure Not Obtainable Due to Installed Pressure Gauge Located Downstream of Spray Throttle Valve. Addl Gauges Installed Per Attached Diagram ML19256B8241978-10-0909 October 1978 Site Problem Rept 193:Loop a Hot Leg Resistance Temp detector,RC-4A-TE2 Used in Reactor Protection Sys Had Drifting Temp Indications Vs Stable Readings of Remaining Resistance Temp Detector in Loop A.Detector Replaced ML20136C0381978-07-12012 July 1978 Site Problem Rept 174 Re Zero Ground Condition Discovered in 2A Reactor Coolant Pump Motor Between Upper & Lower Bearing Housings & Motor Casing.Caused by Positioning of Burns & Roe Oil Spill Retainer Housing ML19312C9631978-07-10010 July 1978 Auxiliary Bldg Heating & Ventilation Startup Problem Rept. During Conduct of SP2 Filter Testing,Bypass Damper AH-D-4020A Leaked.Zero Leakage Damper Needs to Be Installed. Burns & Roe Engineering Change Memo Encl ML19322A3551978-06-19019 June 1978 Site Problem Rept 446 Re Upgrading of Core Flood Valves Documentation on 780815.Supporting Matl Including Ja Lauer 780109 Memos to CA Armontrout & Fr Faist & Manufacturers Data Rept for Nuclear Pumps & Valves Encl ML19322D1971978-06-12012 June 1978 Site Problem Rept 679:on 770403,facility Started Following once-through Steam Generator Tube Leak Repairs.High Pressure Rx Tripped Due to Bad Summer Module in Ics.Recommenced Startup Following Module Repair ML19322A3661978-06-0505 June 1978 Site Problem Rept on 790320 Re Rapid Cooldown Transient. Caused by Loss of Power to non-nuclear Instrumentation Sys & Subsequent Loss of Input Signals to Control Room,Computer & Intercommunicatin Sys Due to Short.Supporting Matl Encl ML20136C6991978-05-16016 May 1978 Work Request Approval for Calibr & Installation of Probes for Reactor Coolant Pump ML20136C6671978-05-10010 May 1978 Application to Remove Auxiliary Bldg Sump Pump WDL-T-5 from Svc for Replacement of Ruptured Disc ML19256B8221978-05-0909 May 1978 Site Problem Rept 146 of Unusual Occurence on 770906 Re Condensate Polisher Resin Migration.Engineering Evaluation Rept to Be Submitted to Site.No Further Action Required ML20125B4531978-04-28028 April 1978 Startup Problem Rept 2690:on 780222,WDL-C-1A/B Tube Side Did Not Have Proper Overpressure Protection.Burns & Roe Proposed Solution on 780405.Action Completed Satisfactorily on 780428 ML19290A0851978-04-28028 April 1978 Site Problem Rept 181 Re Unsuccessful Attempts to Start Reactor Coolant Pump 2A & Subsequent Smoke & Noise from Upper Part of Motor on 780313.Pletke 790222 Memo to Dicken & Dempsey 780417 Memo to Rk Kennedy Re Failure Analysis Encl ML20024B2661978-04-0606 April 1978 Engineering Change Memo S-5934 Re RC-RVE on Signal Light to Provide Open Signal on Indication for Valve RC-RV12 & to Revise Logic to Have Valve Fail Closed on Loss of Power ML19256B8211978-04-0505 April 1978 Site Problem Rept 166 Re Seal Return Line Pressure Causing Erratic Seal Staging of Reactor Coolant Pumps.Lower &/Or Middle Seals May Destage.Caused by Recirculation Line from Mu Pump Entering Seal Return Loop ML20037B7021978-03-30030 March 1978 Startup Problem Rept for Facility ML19246A3671978-03-30030 March 1978 Field Questionnaire 2513 Re Auziliary Bldg Heating & Ventilation Sys ML19290A0841978-03-24024 March 1978 Site Problem Rept 386 Re Failure of Pilot Valve to Close on 771013 During Seventh Test Cycle.Electromagnetic Relief Valve Isolated & Cooled Down.Caused by Blinding Condition Between Stem & Pilot Valve Nozzle ML19212A4761978-03-16016 March 1978 Chronological Summary of safety-related Maint & Operating Experience for 12-month Period Ending 771231 ML19249C7041978-03-16016 March 1978 Work Request Approval for Repair of Recorder HP-UR-1901. Cancelled.Radiological Ref 48 ML20125B4581978-03-15015 March 1978 Startup Problem Rept 5314:on 780314,radwaste Gas Release Rate of 90 Scfm Could Not Be Obtained.On 780317,flow Rate of 65 Scfm Determined Acceptable by Burns & Roe ML19308C1021978-03-14014 March 1978 Startup Problem Rept 5314 Re Acceptability of Max Flow Rate in Radwaste Gas Sys.Burns & Roe Judged Rate Acceptable ML19308C0981978-02-22022 February 1978 Startup Problem Rept 2690 Re Lack of Proper Overpressure Protection on WDL-C-1A/B Tube Side ML19246A3681978-02-14014 February 1978 Startup Problem Rept Re Auxiliary Bldg Heating & Ventilation Sys ML19252A2921978-01-20020 January 1978 Responds to NRC 780105 Questionnaire Re Standby Diesel Generator Unit Reliability ML19290A1001978-01-18018 January 1978 Work Request Approval for Feedwater Pump Sys to Tighten Strainer Head Nuts,Adjust Packing on Cooler Selection Valves & Tighten Flange Bolts ML20136C0611978-01-0606 January 1978 Site Problem Rept 152,Revision 1,re Failure of Makeup Pump Gear Oil Cooler to Meet Spec CS3-113 Paragraph 3.5 of Tubular Exchanger Manufacturers Association Stds.Spec Incomplete & Will Be Revised.Supporting Matl Encl ML20136C0421977-12-21021 December 1977 Site Problem Rept 161:during Ultrasonic Insp of 1A Flywheel, Insp Cover Bolt Was Trapped Between Flywheel & Shroud Covering Flywheel,Preventing Shaft Rotation.Bolt Removed & Flywheel Inspected ML20136C0461977-12-13013 December 1977 Site Problem Rept 157 Re Bump on Stuffing Box Seating Surface Formed by Depression of Lower Gasket Seating Surface During Disassembly of 1A Reactor Coolant Pump.Caused by Pressure Used to Break 1B & 2B Pumps Free ML19308B7661977-12-0808 December 1977 Site Problem on 771129,reactor Tripped on Reactor Protection Sys Channel 2 & 4 High Flux.Caused by Not Removing Jumpers in Startup Reactimeter Patch Board.B&W Will Evaluate Transient Data & Recommend follow-up Action ML20024B6091977-11-17017 November 1977 TMI Startup Problem Rept Re Condensate Sys.Based on Loss of Feedwater Occurrence,Burns & Roe Should Reevaluate Control of COV12 ML20125B4781977-11-17017 November 1977 Startup Problem Rept Re Condensate ML19323F8501977-11-17017 November 1977 General Public Utils Startup Problem Rept.Based on Loss of Feedwater Occurence,Burns & Roe Should re-evaluate Control of COV12.Desirable Change Appears to Be Control in Place of Present Gate Valve ML19322C4971977-11-0909 November 1977 Rept Re 770924 Sfrcs Trip/Reactor Trip/Coolant Spill.Caused by Design Deficiencies ML20136C0481977-11-0808 November 1977 Site Problem Rept 149 Re Difference in Actual Range Between Hot & Cold Marks in Constant Load Supports of Reactor Coolant Pumps & Specified Range.Startup Problem Repts 2299 & 2436 Re Reactor Coolant Sys Encl ML19308C9351977-11-0707 November 1977 Site Problem Rept 386:on 771013,electromatic Relief Valve Tested After Completion of Repairs Outlined in Site Problem Rept 369.Pilot Valve Failed to Close on Seventh Test Cycle. Caused by Close Tolerance of Pilot Valve Stem & Nozzle ML19322C5741977-11-0202 November 1977 Site Problem Rept 386:on 771013,electromagnetic Relief Valve Failed to Close on Seventh Test.Caused by Pilot Valve Stem Sticking Open Due to Close Tolerance Causing Binding & Metal Particle in Stem/Nozzle Area.Clearance Increased ML20136C6771977-10-26026 October 1977 Surveillance Rept of RCS Valve RC-RV-2 from Mechanical Maint Dept.Work Requests Encl ML19322C1961977-10-17017 October 1977 Site Problem Rept 369:on 770924,following Steam & Feedwater Rupture Control Sys Actuation,Steam & Feedwater Was Isolated to Both Steam Generators & RCS Pressure Increased Above 2255 Psig.Probably Caused by Missing Relay ML19256B8251977-10-0303 October 1977 Site Problem Rept 144 Re Makeup & Purification Sys Startup Problem Rept 5068 & Resolution to SPR-144-00 Encl ML19256B8231977-10-0303 October 1977 Site Problem Rept 145 Re Leak Which Developed in Casing Gaskets During Hot Operation of 2B Reactor Coolant Pump.Vent Valve Closed Between Gaskets & Pump Operation Continued W/Periodic Checks for Increased Leakage ML20136C0961977-09-29029 September 1977 Site Problem Rept 125,Revision 1,re Failure of Matl in Makeup Pump Stretched Studs to Meet Requirements of Certificate of Conformance.Ke Moore 790712 Memo to RP Williamson Re Necked Makeup Pump Case Stud Encl ML19322A3541977-09-13013 September 1977 Site Problem Rept 241 Re 820 inter-communication Sys Component Failures on 761108.Supporting Matl Encl 1979-04-01 Category:TECHNICAL SPECIFICATIONS & TEST REPORTS MONTHYEARML20211M6651999-09-0101 September 1999
[Table view]Errata Page 4-45,reflecting Proposed Changes Requested in ML20211D1551999-08-20020 August 1999 Proposed Tech Specs Pages,Revising Degraded Voltage Relay as-left Setpoint Tolerances ML20210S7691999-08-12012 August 1999 Rev 10 to 6610-PLN-4200.02, TMI Emergency Dose Calculation Manual ML20210J1261999-07-29029 July 1999 Proposed Tech Specs Revising ESF Sys Leakage Limits in post-accident Recirculation Surveillance TSs ML20195E6201999-06-0404 June 1999 Proposed Tech Specs,Modifying Conditions Which Allow Reduction in Number of Means for Maintaining Decay Heat Removal Capability During Shutdown Conditions ML20206R1171999-05-13013 May 1999 Proposed Tech Specs Section 3.1.1,incorporating Administrative Updating & Changing Bases Statement ML20206R6531999-05-13013 May 1999 Rev 39 to TMI Modified Amended Physical Security Plan ML20205H0781999-04-0101 April 1999 Proposed Tech Specs Adding LCO Action Statements,Making SRs More Consistent with NUREG-1430,correcting Conflicts or Inconsistencies Caused by Earlier TS Revs & Revising SFP Sampling ML20204B5291999-03-12012 March 1999 Rev 9 to 6610-PLN-4200.02, TMI Emergency Dose Calculation Manual (Edcm) ML20203B0511999-02-0202 February 1999 Proposed Tech Specs Expanding Scope of Systems & Test Requirements for post-accident RB Sump Recirculation ESF Systems & Increasing Max Allowable Leakage of TS 4.5.4 for Applicable Portions of ESF Systems Outside of Containment ML20196G4861998-12-0303 December 1998 Non-proprietary Proposed Tech Specs,Consenting to Transfer & Authorization for Amergen to Possess,Use & Operate TMI-1 Under Essentially Same Conditions & Authorizations Included in Existing License ML20196H5361998-12-0303 December 1998 Proposed Tech Specs Reflecting Decrease in RCS Flow Resulting from Revised Analysis to Allow Operation of Plant with 20% Average Level of SG Tubes Plugged Per SG ML20196F8661998-11-25025 November 1998 Proposed Tech Specs Revised Pages for TS Change 277 Changing Surveillances Specs for OTSG ISI for TMI Cycle 13 RFO Exams Which Would Be Applicable for One Cycle of Operation Only. with Certificate of Svc ML20154P8661998-10-19019 October 1998 Proposed Tech Specs,Providing Allowable RCS Specific Activity Limit Based on OTSG Insp Results Performed Each Refueling Outage ML20154Q6271998-10-19019 October 1998 Proposed Tech Specs Adding Operability & SRs for Remote Shutdown Sys Similar to Requirements in NUREG-1430, Std Tech Specs - B&W Plants, Section 3.3.18 ML20154D5491998-10-0101 October 1998 Cancellation Notification of Temporary Change Notice 1-98-0066 to Procedure 6610-PLN-4200.02 ML20206C0911998-09-0101 September 1998 Rev 17 to Odcm ML20249B2421998-06-11011 June 1998 Proposed Tech Specs Re Alternate High Radiation Area Control ML20216E9751998-04-13013 April 1998 Emergency Dose Assessment Users Manual, for Insertion Into Rev 7 of Edcm ML20216E9491998-04-0909 April 1998 Rev 7,Temporary Change Notice 1-98-003 to 6610-PLN-4200.02, Edcm, Changing Pages 2 & 57 & Adding New Emergency Dose Assessment Users Manual ML20217J8201998-03-25025 March 1998 Proposed Tech Specs Page 6-1,reflecting Change in Trade Name of Owners & Operator of TMI-1 & Correcting Typo ML20217E5311998-03-23023 March 1998 Proposed Tech Specs Pages for Section 3.1.2 to Incorporate New Pressure Limits for Reactor Vessel IAW 10CFR50,App G for Period of Applicability Through 17.7 EFPY ML20202B2061998-01-30030 January 1998 Rev 7,Temporary Change Notice 1-98-0013 to 6610-PLN-4200.02, Edcm ML20198T4721997-12-31031 December 1997 TMI-1 Cycle 12 Startup Rept ML20217G0201997-10-0303 October 1997 Proposed Tech Specs Re Revised Pages 4-80 & 4-81 Previously Submitted ML20211F3781997-09-24024 September 1997 Proposed Tech Specs Revising Steam Line Break Accident Dose Consequence ML20211C2431997-09-19019 September 1997 Proposed Tech Specs Re Decay Heat Removal Sys Leakage ML20211C3421997-09-19019 September 1997 Proposed Tech Specs Pages 3.8-3.9b to TS Section 3.1.4 Providing More Restrictive Limit of 0.35 Uci/Gram Dose Equivalent I-131 & Clarifying UFSAR Analysis ML20210K0011997-08-14014 August 1997 Proposed Tech Specs Revising TMI-1 UFSAR Section 14.1.2.9 Environ Dose Consequences for TMI-1 Steam Line Break Analysis ML20141J4051997-08-12012 August 1997 Proposed Tech Specs Revising Surveillance Specification for Once Through Steam Generator Inservice Insp for TMI-1 Cycle 12 Refueling (12R) Exams Applicable to TMI-1 Cycle 12 Operation ML20198E7941997-07-30030 July 1997 Proposed Tech Specs Incorporating Addl Sys Leakage Limits & Leak Test Requirements for Systems Outside Containment Which Were Not Previously Contained in TS 4.5.4 Nor Considered in TMI-1 UFSAR DBA Analysis Dose Calculations for 2568 Mwt ML20151K2071997-07-25025 July 1997 Revised TS Page 6-19 Replacing Corresponding Page Contained in 970508 Transmittal of TS Change Request 264 ML20217M7251997-06-22022 June 1997 Rev 16 to Procedure 6610-PLN-4200.01, Odcm ML20141E1491997-05-0808 May 1997 Proposed Tech Specs,Consisting of Change Request 264, Incorporating Addl NRC-approved Analytical Methods Used to Determine TMI-1 Core Operating Limits ML20140E2471997-04-21021 April 1997 Proposed Tech Specs 3.3.1.2,changing Required Borated Water in Each Core Flood Tank to 940 ft,4.5.2.1.b,lowering Surveillance Acceptance Criteria for ECCS HPI Flow to 431 Gpm & 3.3.1.1.f Re Operability of Decay Heat Valves ML20134M1211997-02-0707 February 1997 Proposed Tech Specs,Incorporating Certain Improvements from Revised STS for B&W plants,NUREG-1430 ML20133D2821996-12-24024 December 1996 Proposed Tech Specs 3.15.3 Re Auxiliary & Fuel Handling Bldg Air Treatment Sys ML20132F3301996-12-16016 December 1996 Proposed Tech Specs,Reflecting Change in Legal Name of Operator of Plant from Gpu Corp to Gpu Inc & Reflecting Plant License & TS Registered Trade Name of Gpu Energy ML20135D0991996-12-0303 December 1996 Proposed Tech Specs Incorporating Certain Requirements from Revised B&W Std TS,NUREG-1430 ML20135C5321996-12-0202 December 1996 Proposed Tech Specs Re Relocation of Audit Frequency Requirements ML20128H4121996-10-0303 October 1996 Errata to Proposed Ts,Adding Revised Table of Contents & Making Minor Editorial Corrections ML20117H0451996-08-29029 August 1996 Proposed Tech Specs,Consisting of Change Request 257, Incorporating Certain Improvements from STS for B&W Plants (NUREG-1430) ML20113D1971996-06-28028 June 1996 Proposed Tech Specs,Consisting of Change Request 259, Allowing Implementation of Recently Approved Option B to 10CFR50,App J ML20112C8791996-05-24024 May 1996 Proposed Tech Specs Re Pages for App A.Certificate of Svc Encl ML20138B4641996-05-0606 May 1996 Rev 14 to Procedure 6610-PLN-4200.01, Odcm ML20101R1571996-04-10010 April 1996 Proposed Tech Specs,Revising Addl Group of Surveillances in Which Justification Has Been Completed ML20100J6931996-02-22022 February 1996 Proposed Tech Specs,Consisting of Change Request 254, Revising Proposed TS Page 4-46 on Paragraph 4.6.2 That Provides Addl Testing Requirements in Case Battery Cell Parameters Not Met ML20096F0521995-12-31031 December 1995 TMI-1 Cycle 11,Startup Rept ML20095J2311995-12-21021 December 1995 Proposed Tech Specs,Raising Low Voltage Action Level to 105 Volts DC ML20092M1941995-09-21021 September 1995 TMI-1 Pump & Valve IST Program 1999-09-01 |
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