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| Issue date | Title | Topic | |
|---|---|---|---|
| ML20024E211 | 20 July 1983 | Ro:On 830622,24 & 0711,PAB & Electrical Tunnel & Control Room & Cable Spreading Room Determined to Be Nonfunctional Due to Voids & Cracks in Coating of Penetration Fire Barriers | Fire Barrier Hourly Fire Watch |
| ML20052H180 | 12 May 1982 | Telecopy of Ro:On 820415,surveillance Test 3PC-R4 Indicated That Pressure Transmitters PT456,PT457 & PT454 Were Out of Spec Nonconservatively.Cause Not Stated | |
| ML20051P532 | 6 May 1982 | RO 82-17:on 820505,air Conditioning Sys,Booster Fans for Filter Operation & Cooling Water Supply Declared Inoperable Due to Motor Failures.Also Reported Per Part 21 | |
| ML20050C270 | 29 March 1982 | Telecopy Message of Ro:On 820327,small Leak Discovered on Shell Side of Steam Generator 32 W/Reactor in Cold Shutdown Constituting Abnormal Degradation in Primary Containment Boundary.Cause Not Stated.Investigation Continuing | |
| ML20050A447 | 25 March 1982 | Telecopy Version of Ro:On 820324,small Primary to Secondary Leak Developed in Steam Generator 33.Generator Removed from Svc & Unit Proceeding to Cold Shutdown.Total Release to Atmosphere Was Less than 0.5 Ci,W/No Iodine Released | |
| ML20042A664 | 11 March 1982 | Ro:Operating Procedures Will Be Revised to Require Operability of Safeguards Equipment Necessary to Mitigate Steamline Break Transient Prior to Heating RCS Above 350 F from Cold Shutdown | |
| ML20042A568 | 8 March 1982 | RO 82-009:on 820305,nitrogen Pressure in Boron Injection Tank Observed Below 90 Psig.Caused by Failure of Two Nitrogen Pressure Regulator Valves.Procedure Changed.Also Reported Per Part 21 | Boric Acid |
| ML20039A762 | 9 December 1981 | Ro:On 811208,pint Per Minute Leak Observed in Cooling Coil in Number 34 Fan Cooler Unit Motor Cooler Inside Containment.Cause Not Stated.Approved Repairs Were Immediately Performed & Leak Was Stopped | |
| ML20011A467 | 29 September 1981 | Ro:On 810923,after Verifying Primary to Secondary Leakage in Number 31 Steam Generator Following RCS Hydro,Unit Proceeded from Hot Shutdown to Cold Shutdown.Verification of Calculation for Determining Leak Size Exceeded Tech Specs | |
| ML20010G831 | 8 September 1981 | Ro:On 810731,transformer 11EC4 Taken Out of Svc for Repair, Deactivating Bus Section 4 Which Feeds Motor Driven Fire Pump 12.On 810801,temporary Svc Restored to Fire Pump,But W/O Automatic Start.Transformer 11EC4 Back in Svc 810819 | |
| ML18085B168 | 17 October 1980 | RO 80-054/01P-0:on 801016,fire Pump Failed to Start on Receipt of Automatic Signal.Situation Recurred Following Day.Cause of Failures Is Undetermined | |
| ML093560818 | 12 January 1977 | RO 76-2-28(A):on 761214,boric Acid Storage Tanks Had Concentrations in Excess of Upper Limit.Caused by Inaccuracies in Sampling Technique of Concentrates Makeup to Boric Acid Storage Tanks | Boric Acid |