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| Issue date | Title | Topic | |
|---|---|---|---|
| ML20028F393 | 19 January 1983 | Ro:On 821220,reactor Trip Circuit Breaker a Failed to Trip When Trip Signal Initiated.Caused by Sticking Undervoltage Relay.Relay Replaced.Contacts Cleaned | |
| ML20039F608 | 28 December 1981 | Ro:On 811228,review of Info Re Reactor Vessel Matl Surveillance Program Revealed Calculational Error in Analyses Used to Update Heatup & Cooldown Curves.Unrevised Tech Spec Figures 3.1-1 & 3.1-2 Remain Conservative | |
| ML20038B500 | 3 December 1981 | Ro:On 811201,pressurizer Block Valves Found to Not Meet Design Specs of Closing Against Design Pressure.Caused by Undersized Motor Operator Which Will Not Develop Sufficient Torque to Shut Block Valve | |
| ML20038C796 | 2 December 1981 | Ro:On 811201,discovered Pressurizer Block Valves Did Not Meet Design Spec in That They May Not Close Against Design Pressure.Caused by Undersized Limitorque Operator Model SMB-000-5 | |
| ML20009H689 | 30 July 1981 | Nonroutine 30-day Rept:On 810623,fire Door 5 Opened to Relieve Excessive Heat from Auxiliary Feedwater Pump Room. Heat Caused by Backleakage Combined W/Hot Temp & Lack of Ventilation.Repairs Scheduled for Fall Refueling Outage | Fire Barrier |
| ML20009H577 | 22 July 1981 | Ro:On 810608,fire Barrier Penetration Fire Seals Found in Nonconformance W/Approved Configuration Requirements. Deficiencies Occurred During Mod 445-N Implementation.Seals Will Be Repaired During Refueling Outage | Safe Shutdown Fire Barrier |
| ML19341B274 | 15 January 1981 | Ro:On 810114,both Channels of Heat Trace for Both Boric Acid Transfer Pumps Determined Inoperable in Violation of Tech Spec 3.2.3.C.Caused by Misleading Step in Procedure for Taking Pump Out of Svc | Boric Acid |
| ML18004B987 | 30 August 1979 | Ro:On 790829,svc Water Booster Pump a Tripped When Svc Water Booster Pump B Was Stopped,In Violation of Tech Specs 3.3.4.1.a.Power Reduction Initiated & Svc Water Booster Pumps Returned to Svc | |
| ML19317D468 | 1 May 1973 | Ro:On 730423,water Spill from Refueling Water Storage Tank to Storm Drainage Sys.Caused by Inadequate Procedures & Personnel Error.Plant Mgt Will Review Methods & Have Cautioned Operators to Exercise Extreme Caution |