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Issue date | Title | Topic | |
---|---|---|---|
ML20072K459 | 18 February 1983 | Final Significant Deficiency Rept 83-03 Re Design & Installation of U-bolt Restraints.Initially Reported on 830127.Analysis Revealed Absence of Locknuts on Piping. Double Nut Locking Mechanism Installed | Earthquake |
ML20073E799 | 7 April 1983 | Part 21 Rept U-48 & Interim Deficiency Rept Re GE ARR-30 & AKR-50 Circuit Breakers.Initially Reported on 830211. Assessment of Safety Implications & Corrective Actions Requested of Ae.Final Rept Expected by 830429 | |
ML20073R619 | 28 April 1983 | Final Significant Deficiency Rept 83-05 Re GE Akr 30 & 50 Electrically Operated Low Voltage Circuit Breakers.Initially Reported on 830211.Field Rework Plan Will Be Issued to Effect Necessary Breaker Repairs | |
ML20076F459 | 17 August 1983 | Final Deficiency & Part 21 Rept U-58 Re Byron Jackson Essential Svc Water Pump B.Initially Reported on 830718.Pump Disassembled,Inspected & Repaired | |
ML20076N225 | 21 June 1983 | Part 21 Rept Re Valve Seat Defect.Initially Reported on 830620.Risk of Seat Cracking Could Occur Under Torque. Bechtel Analysis Underway | Safe Shutdown Flow Induced Vibration |
ML20077G404 | 21 July 1983 | Interim Deficiency Rept Re Defective Heat Sink Adhesive & Seismically Induced Chatter in Relays within Printed Circuit Carns (IE Info Notice 83-38).Initially Reported on 830602. Also Reportable Per Part 21.Final Rept by 831231 | |
ML20077G644 | 18 July 1983 | Final Significant Deficiency Rept SDR 83-09 Re Yarway Hy-Drop Throttling Valves W/Cracked Seats.Initially Reported on 830617.Caused by Incomplete Braze Matls.Valves Will Be Replaced.Also Reportable Per Part 21 | |
ML20079G924 | 16 January 1984 | Interim Deficiency Rept U-64 Re Limitorque Gear Failure. Westinghouse Delayed Submittal of Final Rept Until 840130. Util Will Submit Final Rept by 840301 | |
ML20079H178 | 10 January 1984 | Final Deficiency Rept U-57 Re Cutler Hammer Control Switches.Initially Reported on 830627.Comsip,main Control Board Vendor,Directed to Discontinue Practice of Bending Switch Contact Block Terminal Lugs | |
ML20079H952 | 6 January 1984 | Interim Part 21 & Deficiency Rept U-66 Re Failure of Coils in Ite Gould Motor Control Ctr two-speed Starters for Containment Cooling Fan Motors.Util Awaits Bechtel Info on Failure.Final Rept Expected within 90 Days | |
ML20079H969 | 6 January 1984 | Interim Part 21 & Deficiency Rept U-65 Re Mechanical Interlock on Ite Gould Motor Control Ctr two-speed Starters for Containment Cooling Fan Motors.Initially Reported on 831123.Final Rept Expected in 90 Days | |
ML20079N004 | 18 January 1984 | Deficiency Rept,Item U-46 Re Structural Steel Bolts Not Tightened to Spec Requirements After Connections Considered Complete.Initially Reported on 830127.Structural Connections Adequate.Next Rept by 840301 | |
ML20079Q599 | 6 March 1981 | Part 21 Rept Re Potential Interference in Full Function of Bergen-Paterson Strut Assembly W/Pacific Scientific Co Mechanical Shock Arrestor.Attempt to Obtain Corrective Action from Manufacturer Unsuccessful | |
ML20080L323 | 14 September 1983 | Failure Analysis of Capstan Springs P/N 1801613-01, Part 21 Rept | |
ML20080Q596 | 21 February 1984 | Part 21 Rept Re Cracks in Limitorque Limit Switch Molded Components.Cracks Initially Limited to Component Surface. Recently Discovered Deeper Cracks Could Affect Component Integrity.Affected Components Should Be Replaced | |
ML20081C023 | 27 October 1983 | Part 21 Rept Re Design Deficiency Involving Combination Supports for Class IE Cable Trays & HVAC Ducts.Initially Reported on 831025.Due to Misclassification,Supports Specified W/Less than Full safety-related QA Program | Safe Shutdown Safe Shutdown Earthquake |
ML20081D868 | 25 October 1983 | Part 21 Rept Re Defects in Model 7401 Dampers.Brackets on Operating Blades of Dampers Not Tackwelded to Blades as Required.Procedures Currently Being Revised | |
ML20081H493 | 1 November 1983 | Final Deficiency Rept U-G1 Re Westinghouse Type SA-1 Differential Relays.Vendor Elected to Redesign Capacitors to Hermetically Sealed Unit.New Relays Incorporating Heremetically Sealed Capacitors Ordered | |
ML20081H611 | 25 October 1983 | Final Deficiency Rept Re Masoneilan Main Steam Isolation Bypass Valves.Initially Reported on 821028.Valves Repaired. Insp Did Not Reveal Condition in Similar Valves.Condition Not Reportable Under 10CFR50.55(e) | |
ML20082B419 | 11 November 1983 | Interim Deficiency Rept U-64 & Part 21 Rept Re Damage to PC-40 Motor Pinion & PC-41 Clutch Gear in SB-2-80-type Limitorque Valve Actuator.Initially Reported on 831017.Gears Replaced.Westinghouse Evaluating Corrective Action | |
ML20083G657 | 28 December 1983 | Final Deficiency Rept U-51 Re Cable Routing Through Field Designed Electrical Junction Boxes in Violation of Min Bend Radius Requirements.Initially Reported on 830314.Cables Tested & Replaced in 19 of 23 Junction Boxes | |
ML20083L890 | 20 April 1983 | Final Deficiency & Part 21 Rept SDR 83-06 Re Anchor/Darling Check Valves.Initially Reported on 830323.Arrangements Currently Underway to Correct,Repair or Rework Eight Valves at Each Site.Item Reported Per Part 21 by Vendor on 830331 | |
ML20083N376 | 10 April 1984 | Interim Deficiency Rept U-78 Re Failure of Chemetron Check Valve During Discharge Testing of Halon Fire Protection Sys. Initially Reported on 840319.Failure Under Evaluation. Defected Valves Being Replaced.Next Rept by 840514 | |
ML20083N421 | 11 April 1984 | Final Deficiency Rept U-59 Re Inconsistent Installation & Insp of safety-related Control Valve Accessories & HVAC Instrumentation.Initially Reported on 830727.Failure to Prepare Traveler Packages Not Considered Significant | |
ML20083P567 | 13 April 1984 | Final Significant Deficiency Rept 84-03 Re Failures in Control Devices in RCS Porvs.Initially Reported on 840302. Design Mods Developed to Correct Problem & Design Drawings Revised to Reflect Mods | Power Operated Valves |
ML20083Q631 | 12 April 1984 | Interim Part 21 & Deficiency Rept Re Bettis Actuator Keying Problem W/Fisher Valves.Initially Reported on 840315.Cause Not Determined.Insp Incomplete Pending Vendor Analysis.Final Rept Expected Prior to Fuel Load | |
ML20083Q704 | 10 April 1984 | Final Deficiency Rept U-65 & Part 21 Rept Re Gould Containment Cooling Fan Starter Interlock Failure.Initially Reported on 831123.Interlocks Cleaned & Operated Properly. Four Replacement Interlock Mechanisms Installed | |
ML20083Q713 | 9 April 1984 | Final Part 21 & Final Deficiency Rept U-80 Re Failure of Containment Cooling Fans to Remain in Safeguards Position Following Safety Injection Signal Reset.Initially Reported on 840403.Mod Made to Cooling Fan Control Circuitry Design | |
ML20084A597 | 20 April 1984 | Supplemental Final Part 21 & Final Deficiency Rept U-80 Re Failure of Containment Cooling Fans to Remain in Safeguards Position Following Safety Injection Signal Reset.Initially Reported on 840403.Circuit Modified | |
ML20084B022 | 13 April 1984 | Final Deficiency Rept SDR 84-02 Re Field Run Cables for Solenoid Valves.Initially Reported on 840315.Design Changes Implemented to Replace Field Wiring W/Qualified High Temp Wiring w/392 F Rated Insulation.Also Reported Per Part 21 | |
ML20084B463 | 13 April 1984 | Final Deficiency Rept Re Field Run Cables for Valcor Solenoid Valves.Initially Reported on 840315.Design Changes Implemented to Replace Field Wiring W/Qualified High Temp Wiring.Also Reported by Bechtel Per Part 21 | |
ML20084C237 | 13 April 1984 | Final Part 21 & Deficiency Rept U-66 Re Gould Containment Cooling Fan Starter Coil Failure.Initially Reported on 831123.Caused by Overvoltage of 130-volt Diode Incorporated in Coils.Diodes Replaced w/150-volt Diode | |
ML20084C301 | 18 April 1984 | Amended Final Deficiency Rept U-72 Re Silicone Foam Penetration Seal Installation & Insp.All Seals Will Not Be Completed by 840422.Fire Watch Will Be Established at Time of Fuel Load | Fire Barrier Continuous fire watch Fire Protection Program Fire Watch Hourly Fire Watch |
ML20084K157 | 1 May 1984 | Final Deficiency Rept SDR 83-08 Re Seismic Chatter of Ntc Card Relay in Westinghouse 7,300 Process Protection Sys. Util Will Have Option to Install Replacement Relay Once Relay Developed | |
ML20084L115 | 8 May 1984 | Suppl 1 to Part 21 Rept Re United Electric Controls Fuel Oil Filter Differential Pressure Switches at Shoreham Plant. Switch Also Provided to Listed Plants.Corrective Actions Defined in 840328 Rept Will Be Applied | |
ML20084M030 | 1 May 1984 | Supplemental Deficiency Rept SDR 83-13 Re Limitorque Valve Operator Limit Switch Rotor Matl.Util Will Install Fibrite Rotors in Class IE Valve Before Declaring Valve Operational for Particular Mode | |
ML20084M063 | 7 May 1984 | Interim Significant Deficiency Rept U-71 Re Induction of Exhaust Gases Into Control Room.Util Accepts Bechtel Conclusion That Issue Not Reportable Per 10CFR50.55(e).Addl Monitors Will Be Installed to Add Level of Conservatism | |
ML20084N435 | 23 May 1983 | Final Part 21 Rept Re Deficiency in DS-416 Reactor Trip Switchgear Undervoltage Attachment (SDR-83-07).Initially Reported on 830421.Attachments to Be Replaced.Also Reported by Westinghouse Per Part 21 | |
ML20084P466 | 11 May 1984 | Final Deficiency Rept U-75 Re Potential Essential Svc Water Pump Degradation.Item Not Reportable as Significant Deficiency Under 10CFR50.55(e).Rept Withdrawn | |
ML20084P532 | 11 May 1984 | Final Deficiency Rept U-78 Re Failure of Chemetron Check Valve Spring Seat During Halon Fire Protection Sys Discharge Testing.Reworked Check Valves,W/Upgraded Spring Seat, Installed in All Halon Sys | |
ML20084Q092 | 10 May 1984 | Supplemental Part 21 & Deficiency Rept SDR 84-02 Re Improperly Rated Field Run Cables Connecting Valcor Solenoid Valves.Followup Investigation Identified Similar Deficiencies in Target Rock & Asco Solenoids | |
ML20084Q391 | 9 May 1984 | Final Significant Deficiency Rept SDR 84-05 Re Potential for Valve Operator Motor Pinion Gear Key Failure Due to Improper Matls in Certain Limitorque Motor Operators.Initially Reported on 840418.All Affected Gear Keys Replaced | |
ML20085A147 | 24 June 1983 | Final Deficiency Rept U-55 Re Robertshaw Thermostatic Flow Control Valves.Castellated Nut & Cutter Pin Installed & Valve Body O-ring Eliminated,Preventing Valve Stem from Disengaging.Also Reported Per Part 21 | |
ML20085K709 | 14 October 1983 | Interim Deficiency Rept U-63 Re Broken or Cracked Capstan Spring Tangs on Pacific Scientific Mechanical Snubbers. Initially Reported on 830916.Caused by Age Hardening Snubber Springs Prior to Plating.Final Rept by 831111 | |
ML20086N064 | 9 February 1984 | Final Deficiency Rept 84-01 Re Failure of Gould-Rundel four- Position Selector Switches.Initially Reported on 830824 & 840111.All Defective Switches Will Be Replaced | |
ML20087F273 | 8 March 1984 | Interim Deficiency Rept U-69 Re Missing Seismic Positioners on Four Breakers Used in Reactor Trip Switchgear Supplied by Westinghouse.Initially Reported on 840207.Final Rept Expected by 840416 | |
ML20087G457 | 12 March 1984 | Final Deficiency Rept U-46 Re Structural Steel Bolts Not Tightened to Spec Requirements.Structural Adequacy of Connections Sufficient in as-found Condition.Potential 10CFR50.55(e) Deficiency Withdrawn | |
ML20087J825 | 19 March 1984 | Part 21 Rept Re Design Deficiency in field-run Cables to Valcor Solenoid Valves.Initially Reported on 840319.Approx 50 Valves Affected at Each Facility.Mgt Corrective Action Repts Issued | |
ML20087J843 | 15 March 1984 | Final Deficiency & Part 21 Rept U-62 Re Failure of Stator Winding on NE02B Emergency Diesel Generator Mfg by Beloit Power Sys.Initially Reported on 830812.Stator Replaced. Emergency Generator Installed & Load Tested | |
ML20087L203 | 16 March 1984 | Final Deficiency Rept U-34 Re Pipe Clamp Interference W/Rod End of Rigid Sway Strut Assemblies Supplied by Corner & Lada.Initially Reported on 810813.Rework Plan PV-14 Implemented to Repair Sway Strut Assemblies Onsite |