TAC:12589
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Request for: Approved, Closed | |
Initiation
Questions Answers Results Other: 05000298/LER-1980-008, Forwards LER 80-008/03L-0, 05000298/LER-1980-008-03, /03L-0:on 800312,during Insp of Reactor Core Isolation Cooling Turbine,Two Buckets on Turbine Wheel Were Discovered Damaged.Caused by Foreign Object Striking Wheel During Operation.Investigation Is Continuing, A810025, Commits to Four Listed Criteria Re Future Disc Insps for Westinghouse Low Pressure Turbines.Util Working W/ Westinghouse in Replacing Low Pressure Turbine Rotors, ML19290E747, ML19309G666, ML19341A333 | |
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MONTHYEARML19290E7471980-02-25025 February 1980
[table view]Forwards IE Info Notice 79-37,Cracking in Low Pressure Turbine Discs W/Errata Sheet & Request for Info Related to Turbine Disc Cracks.Reply Requested within 20 Days ML19309G6661980-04-0202 April 1980 Requests Sample of Low Pressure Turbine Disc Removed Due to Significant Cracks in Keyway &/Or Bore Region.Sample Should Be at Least 4-inch Wide cross-section Containing Keyway or Bore Crack Indications 05000298/LER-1980-008-03, /03L-0:on 800312,during Insp of Reactor Core Isolation Cooling Turbine,Two Buckets on Turbine Wheel Were Discovered Damaged.Caused by Foreign Object Striking Wheel During Operation.Investigation Is Continuing1980-04-10010 April 1980 /03L-0:on 800312,during Insp of Reactor Core Isolation Cooling Turbine,Two Buckets on Turbine Wheel Were Discovered Damaged.Caused by Foreign Object Striking Wheel During Operation.Investigation Is Continuing 05000298/LER-1980-008, Forwards LER 80-008/03L-01980-04-10010 April 1980 Forwards LER 80-008/03L-0 ML19323B9661980-05-0606 May 1980 Forwards Response to NRC 800225 Request for Answers to site- Specific Questions Re Turbine Discs Prior to Restart ML19341A3331980-10-31031 October 1980 Examination of Cracked Turbine Disc from Cooper Nuclear Power Station, Informal Rept ML20005B7321981-08-24024 August 1981 Safety Evaluation Re Westinghouse Criteria for Low Pressure Nuclear Turbine Disc Insp.Westinghouse Crack Growth Rate Equations for Bore & Keyway Cracks Acceptable ML20005B7291981-08-24024 August 1981 Forwards Safety Evaluation Re Westinghouse Criteria for Low Pressure Nuclear Turbine Disc Insp.Util Should Commit to Using Criteria for Future Disc Insp A810025, Commits to Four Listed Criteria Re Future Disc Insps for Westinghouse Low Pressure Turbines.Util Working W/ Westinghouse in Replacing Low Pressure Turbine Rotors1981-09-18018 September 1981 Commits to Four Listed Criteria Re Future Disc Insps for Westinghouse Low Pressure Turbines.Util Working W/ Westinghouse in Replacing Low Pressure Turbine Rotors 1980-04-02 | |
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