ML19248D203

Forwards LERs 78-053/01T-1,79-008/01T-1,79-010/01T-1, 79-014/01T-1,79-015/01T-1 & 79-024/01T-0

ML19248D203
Person / Time
Site:	Beaver Valley
Issue date:	08/01/1979
From:	Werling J DUQUESNE LIGHT CO.
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19248D204	List: 05000334/LER-1979-008-01, /01T-1 on 790329:notifies of Potential Inconsistency of Single Dropped Control Rod.Caused by Incorrect Measurement of Core Average Power Level by Rod Controller During Rod Drop Events 05000334/LER-1979-010-01, /01T-1 on 790416:notifies of Potential for Failure of Inside Recirculation Spray Pump Motors.Caused by Reduction of Internal Clearance Due to Heat Gradient as Motor Comes Up to Operating Temp.Mods Made to Clearance 05000334/LER-1979-014-01, /01T-1 on 790618:during Special Radiographic Insp of Feedwater Inlet Piping Welds,Cracking Was Discovered in Inlet Elbows.Caused by Fatigue Failure Along W/Corrosion. Insp Completed & Welds Repaired 05000334/LER-1979-024-01, /01T-0 on 790727:as Result of Review of Asco Solenoid Valves Per IE Bulletin 79-01A,44 Valves Found W/Deficiencies in Environ Qualifications.Caused by Inadequate Design ML19248D203
References
BVPS:JAW:697, NUDOCS 7908130419
Download: ML19248D203 (2)