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Category:Licensee Event Report (LER)
MONTHYEAR05000244/LER-2017-0012017-06-16016 June 2017 During Surveillance Testing, Lift Pressure Setpoints on Three Main Steam Safety Valves Found Outside Technical Specifications Limits Due to Stiction., LER 17-001-00 for R. E. Ginna re During Surveillance Testing, Lift Pressure Setpoints on Three Main Steam Safety Valves Found Outside Technical Specifications Limits Due to Stiction 05000244/LER-2016-0012016-04-0707 April 2016 Loss of Station Auxiliary Transformer 12A resulting in automatic start of Emergency Diesel Generator A due to undervoltage signals to safeguards buses 14 and 18., LER 16-001-00 for R. E. Ginna Nuclear Power Plant Regarding Loss of Station Auxiliary Transformer 12A Resulting in Automatic Start of Emergency Diesel Generator A due to Undervoltage Signals to Safeguards Buses 14 and 18 ML0509600362004-12-17017 December 2004 Final Precursor Analysis - Ginna Grid Loop ML0429403762004-10-12012 October 2004 LER 04-S01-00 for R. E. Ginna Regarding Safeguards Event ML0202800752002-01-22022 January 2002 LER 01-S01-00 for R E Ginna Nuclear Plant Re Safeguards Event ML18142A8511978-09-14014 September 1978 LER 1978-007-00 for R. E. Ginna, Bus 16 Circuit Breaker for B Emergency Generator ML18142A8761978-08-0303 August 1978 LER 1978-006-00 for R. E. Ginna, Main Steam Line Snubbers, Positions MS146 Top and Bottom ML18142A8771978-06-0606 June 1978 LER 1978-007-01 for R.E. Ginna, Bus 14 Breaker for C Safety Injection Pump ML18142B2141978-05-0202 May 1978 LER 1978-005-00 for R. E. Ginna, Unplanned Reactivity Insertion of More than 0.5% K/K While Subcritical ML18142B2131978-03-31031 March 1978 LER 1978-004-00 for R. E. Ginna, Motor Control Center 1C Circuit Breaker to Motor Control Center 1H Trip ML18142B2171978-02-10010 February 1978 LER 1978-002-00 for R. E. Ginna, Power Range Low Range Trip Set Point Test ML18142B2191978-02-0808 February 1978 LER 1978-003-00 for R.E. Ginna, B Steam Generator Tube Leak ML18142B2221977-07-18018 July 1977 LER 1977-008-00 for R.E. Ginna, B Steam Generator Tube Leak ML18192A0761977-07-0707 July 1977 LER 1977-006-00 for R.E. Ginna, C Charging Pump Varidrive on 6/19/1977 ML18142B2281977-06-0808 June 1977 LER 1977-024-00 for R.E. Ginna, Accumulation of Borated Water Near a Valve in Safety Injection System Piping ML18142B2291977-05-27027 May 1977 LER 1976-027-03 for R.E. Ginna, Leak in Letdown Diversion Line on 12/16/1976, and LER 1976-030-03 a Mixed Bed Demineralizer Inlet Piping Leak ML18142B2351977-05-16016 May 1977 LER 1977-003-00 for R.E. Ginna, Abnormal Degradation of Steam Generator Tubes ML18142B2211977-03-31031 March 1977 LER 1977-007-00 for R.E. Ginna, Bus 14 Breaker for C Safety Injection Pump ML18142B2381977-01-27027 January 1977 LER 1977-01-00 for R. E. Ginna, Bus 14 Circuit Breaker for C Safety Injection Pump ML18142B2401977-01-12012 January 1977 LER 1976-030-00 for R.E. Ginna, a Mixed Bed Demineralizer Inlet Piping Leak ML18142B2431977-01-11011 January 1977 LER 1976-029-00 for R. E. Ginna, Unit 1, Core Quadrant Power Tilt Ratio Calculation in Excess of Limit During Dropped Rod Condition ML18142B2421977-01-11011 January 1977 LER 1976-028-00 for R. E. Ginna, Unit 1, on Control Rod F-12 Dropping Into Core During Operation at Reduced Load for Condenser Work ML18142B2441977-01-0404 January 1977 LER 1976-027-00 for R. E. Ginna, Unit 1, Liquid Leak Through Insulation on 2 Letdown Diversion Line ML18142B2461976-12-0808 December 1976 LER 1976-026-00 for R. E. Ginna, Unit 1, Controller Output for Cv Spray Naoh Valve 836A Was Less than 10 Ma ML18142B2471976-11-0909 November 1976 LER 1976-025-00 for R. E. Ginna, Unit 1, Leak at Residual Heat Removal System Return Pipe Vent ML18142B2491976-10-22022 October 1976 LER 1976-024-00 for R. E. Ginna, Unit 1, Accumulation of Borated Water Near Valve in Safety Injection System Piping Between Boric Acid Tanks and Safety Injection Pumps ML18142B2521976-09-14014 September 1976 LER 1976-023-00 for R. E. Ginna, Unit 1, Incorrect Piping Installation for Modification SM 75-9.21 ML18142B2531976-08-19019 August 1976 LER 1976-022-00 for R. E. Ginna, Unit 1, Error in Westinghouse Safety Analysis Methods ML18142B2571976-08-19019 August 1976 LER 1976-021-00 for R. E. Ginna, Unit 1, D Bank Group 2 Rcc'S G-3 and G-11 Partially Dropped Into Core ML18142B2761976-07-19019 July 1976 LER 1976-20-00 for R.E. Ginna, a Accumulator Level Below Technical Specification Limit ML18142B2721976-07-16016 July 1976 LER 1976-19-00 for R. E. Ginna, Release of Liquid Radioactive Waste Without Continuous Operation of a Gross Activity Monitor. for R. E. Ginna, Release of Liquid Radioactive Waste Without Continuous Operation of a Gross Activity Monitor ML18142B2751976-07-16016 July 1976 LER 1976-20-00 for R.E. Ginna, Unit 1, on Completion of Monthly Surveillance Test of 1A Emergency Generator (Eg), Operator Opened Bus 14 Breaker from Eg and Received Diesel Generator Supply Breaker Overcurrent Trip Alarm ML18142B2741976-07-16016 July 1976 LER 1976-20-00 for R. E. Ginna, on Completion of Monthly Surveillance Test of 1A Emergency Generator (Eg), Operator Opened Bus 14 Breaker from Eg and Received Diesel Generator Supply Breaker Overcurrent Trip Alarm ML18142B2781976-06-21021 June 1976 R. E. Ginna - Supplemental Report on LER 1976-10-00, R. E. Ginna Plant, Containment Purge Supply Valve Having Excessive Leakage During Testing ML18142B2801976-06-0404 June 1976 LER 1976-016-00 for R.E. Ginna, Rod Position Deviation Channel Was Found to Be Inoperable ML18142B2821976-05-24024 May 1976 LER 1976-015-00 for R.E. Ginna, Air Ejector and Blowdown Radiation Monitors Alarmed ML18142B2841976-05-11011 May 1976 LER 1976-013-00 for R.E. Ginna, Drop of Two Control Rods ML18142B2851976-05-10010 May 1976 LER 1976-014-00 for R.E. Ginna, N44 Power Range Detector High Voltage Power Supply Failure ML18142A9761976-04-23023 April 1976 LER 1976-012-00 for R.E. Ginna, Containment Personnel Airlock Handwheel Shaft Seal Excessive Leakage During Testing ML18142A9791976-03-22022 March 1976 LER 1976-010-00 for R. E. Ginna, Containment Purge Supply Value Excessive Leakage During Testing ML18142A9781976-03-19019 March 1976 LER 1976-011-00 for R.E. Ginna, Zero Flow Indicated for Cleanup Filtering Path in Charcoal Filter in Control Room Ventilation System ML18142A9801976-03-12012 March 1976 LER 1978-009-00 for R. E. Ginna, Bus 18 Breaker from a Emergency Generator Overcurrent Relay ML18142A9811976-03-11011 March 1976 LER 1976-008-00 for R. E. Ginna, Abnormal Degradation of Steam Generator Tubes ML18142A9831976-02-28028 February 1976 LER 1976-007-00 for R. E. Ginna, Concerning Relay for Train a Containment Isolation and Containment Ventilation Isolation Failure to Latch ML18143A4971976-02-19019 February 1976 LER 1976-006-00 for R.E. Ginna, Malfunction of Undervoltage Relay During Surveillance Test on 2/6/1976 ML18142B8941976-02-0606 February 1976 LER 1975-003-00 for R. E. Ginna, Residual Heat Removal System Low Pressure Piping Excessive Leakage ML18142B8931976-02-0606 February 1976 LER 1976-003-00 for R. E. Ginna, Residual Heat Removal System Low Pressure Piping Excessive Leakage ML18142B8951976-01-26026 January 1976 LER 1975-013-00 for R. E. Ginna, 30 Day, B Steam Generator Tube Degradation ML18142B8961976-01-0808 January 1976 LER 1975-012-00 for R. E. Ginna, (30-Day Report), Charging Pump Discharge Drain Line Pinhole Leak ML18142B8971976-01-0808 January 1976 LER 1975-012-00 for R. E. Ginna, (30-Day Report), Charging Pump Discharge Drain Line Pinhole Leak 2017-06-16
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II CONTROL BLOCK: LER 76-24/1T LICENSEE EVENT REPOR (PLMSE PRINT ALL REQUIRED INFORI'JPATIDN)
UCENSEE NAME~01 N Y R E 7 89 CATEGORY~01 CON'T~7 8 57 58 G 1 0 14 15 REPORT AEPOAT 59 60 LICENSE NUMBER 0-0 0 0 0 0-0 0 UCENSE TYPE EVENT TYPE 4 1 1 1 1~01 25 26 30 31 32 DOCKET NUMBER EVENT DATE AEPORT DATE 0 5 0-0 2 4 4 1 0 0 8 7 6 1 0'2 2 7 6 61 68 69 74 75 80 EVENT DESCRIPTION During normal operations an auxiliary operator found an accumulation of borated water 80 7 89~I Safety Injection Pumps.Further investigation revealed a leak in a section of 8" 7 8 9 80 m Schedule 10 stainless steel pipe between valves 826A and 826B.The PORC recommend-7 8 9 80 tOpg ed taking the unit to cold shutdown.Leaks were found (cont'd.on attached sheet)80 7 8 9 PA0ME SYSTEM CAUSE COMPONENT CODE CODE COMPONENT CODE VIOIATION~a~~SF Z I I I Z X X N 7 8 9 10 11 12 17 43 44 47 CAUSE DESCRIPTION Qgg As a result of metallurgical analysis and metallographic examinations, chloride stress COMPONENT MANUFACTURER K 0 5 5 48 7 8 9 80 Qpg corrosion cracking is believed to be the cause of the leaks.Since this investigation 80 7 8 9~10 is continuing, further information will be submitted in a supplemental report.7 8 9 80 m near a valve in the Safety Injection System piping between the Boric Acid Tanks and 7 8 7 8 Q~g 7 8~13 7 8 7 8 OTHEA STATUS AMOUNT OF ACTIVITY NA OFFSITE CONSEQUENCES 9 FACIUTY 9 10 12 13 FORM OF ACTIVITY COATENT RELEASED OF RELEASE~S H 9 10 11 PERSONNEL EXPOSURES 9 11 12 13 PERSONNEL INJURIES 9 11 12 METHOD OF DISCOVERY DISCOVERY DESCRIPTION b By operator 44 45 46 LOCATION OF RELEASE NA 44 45 80 80 80 80 80 Press release on October 8, 1976 ADDITIONAL FACTORS NA 7 89'g NA 7 89 LOSS OR DAMAGE TO FACILITY TYPE DESCRIPTION L See Event Description 7 89 10 PU8LICITY 7 89 80 80 80 7 89 , NAME C.E.Platt A.E.Curtis, III 80 PHDNEI 7 16/546-2700, ext.29 1-250 cpa ee1-eev
~(/~io 4 Licensee Event Report Reportable Occurrence 50-244/76-24 Event Descri tion (cont'd.)in two sections of pipe, and liquid penetrant and ultrasonic examination of 75 welds and the piping associated with those welds revealed five other sections of pipe or fittings with indications.
All seven of these components of the piping system containing leaks or indications were replaced.
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