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 Start dateReporting criterionEvent description
05000344/LER-1992-026, Forwards LER 92-26,rev 4 & Discusses Addl Degraded Three Hour Fire Barriers & Barrier Penetrations Discovered During 1992 Eighteen Month Fire Barrier Peneratration Surveillance28 December 1992
05000344/LER-1992-010, Suppls 900706 Response to GL 88-14, Instrument Air Supply Sys Problems Affecting Safety-Related Equipment. Failure Position of All safety-related Active Valves Tested for in IST Program.Design Defect Reported in LER 92-1025 January 1993
05000344/LER-1990-015, Forwards Rev 1 to LER 90-015-01 on 901015 Presenting Results of Preliminary Calculations15 October 1990
05000344/LER-1989-012, Advises That Rev 1 to LER 89-012 Will Be Submitted by 890920 Due to Extension of 1989 Refueling Outage & Plant Trip of 8908098 September 1989
05000344/LER-1989-007, Informs That Rev 1 to LER 89-07 Will Be Submitted by 891013, Due to Forced Outage & Difficulties28 September 1989
05000344/LER-1988-049, Responds to NRC Re Violations Noted in Insp Rept 50-344/89-01.Corrective Actions:Temporary Change to Plant Operation Test Procedure 26-2 Implemented Which Appropriately Revised Procedure as Described in LER 88-04914 April 1989
05000344/LER-1988-046, Informs That Supplemental Rept to LER 88-46 Will Not Be Ready for Submittal Until 89031528 February 1989
05000344/LER-1988-025, Forwards LER 88-25 Re Event Where Archaeological Significant Area Inadvertently Disturbed by Const Excavation Activities & Portland State Univ Rept, Archaeological Evaluation of Trojan Locality 35C0117 February 1989
05000344/LER-1988-019, Discusses Issues Discussed in Rev 2 to LER 88-019 Re Containment Hydrogen Vent Sys Absorber Replacement21 April 1989
05000344/LER-1987-014, Advises That Results of Exam to Determine Exact Cause of Corrosion on Internal Surfaces of Both Centrifugal Charging Pumps Discussed in LER 87-014 Will Be Reported in Rev to LER 87-014 by 87110128 August 1987
05000344/LER-1986-003, Forwards Clarification of Util Position Re 10CFR50.49 Compliance for 11 ECCS Valves Discussed in Rev 1 to LER 86-003,per 860905 Enforcement Conference & Concerns Raised in Insp Rept 50-344/86-3211 September 1986
05000344/LER-1985-013, Forwards Comments on 860627 Draft Info Notice Re Steam Generator Hydraulic Snubber Failures,Based Primarily on LER 85-13 & Suppl 1 to LER24 July 1986
05000344/LER-1982-011, Forwards LER 82-011/03T-0.Detailed Event Analysis Encl26 July 1982
05000344/LER-1982-010, Forwards LER 82-010/03L-0.Detailed Event Analysis Encl. Corrected Copy8 July 1982
05000344/LER-1982-009, Forwards LER 82-009/03L-0.Detailed Event Analysis Encl28 June 1982
05000344/LER-1982-008, Forwards LER 82-008/03L-0.Detailed Event Analysis Encl22 June 1982
05000344/LER-1982-007, Updated LER 82-007/01T-0:on 820514,during Review of Revised Containment DBA Analysis,Nonconservative Spray Modeling Error Identified in Model Used to Justify Tech Spec 3.6.1.4 Re Max Positive Containment Operating Pressure30 July 1982
05000344/LER-1979-013, Forwards Confirmatory Info to NRC 791229 Question 1 Re LER 79-13 Concerning Stresses in Walls Due to Thermal Gradients. Masonry Walls Subj to Thermal Gradient Across Thickness Will Undergo Deformation.Certificate of Svc Encl18 January 1980