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LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT  and Licensee Event Report

05000254  +, 00265  +  and 00234  +

Exelon +, Michael Brown +, Bax R +  and Barber T +

05000254/LER-1990-015-01, :on 900707,Tech Spec 3.0.A Entered.Caused by Inoperability of Reactor Bldg ECCS Room Drain Line Check Valves.Station Drawings Updated & Procedures Enhanced +, 05000254/LER-1990-015-01, :on 900707,Tech Spec 3.0.A Entered.Caused by Inoperability of Reactor Bldg ECCS Room Drain Line Check Valves.Station Drawings Updated & Procedures Enhanced +, 05000254/LER-1990-015-01, :on 900707,Tech Spec 3.0.A Entered.Caused by Inoperability of Reactor Bldg ECCS Room Drain Line Check Valves.Station Drawings Updated & Procedures Enhanced +, 05000254/LER-1990-015-01, :on 900707,Tech Spec 3.0.A Entered.Caused by Inoperability of Reactor Bldg ECCS Room Drain Line Check Valves.Station Drawings Updated & Procedures Enhanced +, 05000254/LER-1990-015-01, :on 900707,Tech Spec 3.0.A Entered.Caused by Inoperability of Reactor Bldg ECCS Room Drain Line Check Valves.Station Drawings Updated & Procedures Enhanced +, 05000254/LER-1990-015-01, :on 900707,Tech Spec 3.0.A Entered.Caused by Inoperability of Reactor Bldg ECCS Room Drain Line Check Valves.Station Drawings Updated & Procedures Enhanced +, 05000254/LER-1990-015-01, :on 900707,Tech Spec 3.0.A Entered.Caused by Inoperability of Reactor Bldg ECCS Room Drain Line Check Valves.Station Drawings Updated & Procedures Enhanced +, 05000254/LER-1990-015-01, :on 900707,Tech Spec 3.0.A Entered.Caused by Inoperability of Reactor Bldg ECCS Room Drain Line Check Valves.Station Drawings Updated & Procedures Enhanced +, 05000254/LER-1990-015-01, :on 900707,Tech Spec 3.0.A Entered.Caused by Inoperability of Reactor Bldg ECCS Room Drain Line Check Valves.Station Drawings Updated & Procedures Enhanced +, 05000254/LER-1990-015-01, :on 900707,Tech Spec 3.0.A Entered.Caused by Inoperability of Reactor Bldg ECCS Room Drain Line Check Valves.Station Drawings Updated & Procedures Enhanced +, 05000254/LER-1990-015-01, :on 900707,Tech Spec 3.0.A Entered.Caused by Inoperability of Reactor Bldg ECCS Room Drain Line Check Valves.Station Drawings Updated & Procedures Enhanced +, 05000254/LER-1990-015-01, :on 900707,Tech Spec 3.0.A Entered.Caused by Inoperability of Reactor Bldg ECCS Room Drain Line Check Valves.Station Drawings Updated & Procedures Enhanced +, 05000254/LER-1990-015-01, :on 900707,Tech Spec 3.0.A Entered.Caused by Inoperability of Reactor Bldg ECCS Room Drain Line Check Valves.Station Drawings Updated & Procedures Enhanced +, 05000254/LER-1990-015-01, :on 900707,Tech Spec 3.0.A Entered.Caused by Inoperability of Reactor Bldg ECCS Room Drain Line Check Valves.Station Drawings Updated & Procedures Enhanced +, 05000254/LER-1990-015-01, :on 900707,Tech Spec 3.0.A Entered.Caused by Inoperability of Reactor Bldg ECCS Room Drain Line Check Valves.Station Drawings Updated & Procedures Enhanced +, 05000254/LER-1990-015-01, :on 900707,Tech Spec 3.0.A Entered.Caused by Inoperability of Reactor Bldg ECCS Room Drain Line Check Valves.Station Drawings Updated & Procedures Enhanced +, 05000254/LER-1990-015-01, :on 900707,Tech Spec 3.0.A Entered.Caused by Inoperability of Reactor Bldg ECCS Room Drain Line Check Valves.Station Drawings Updated & Procedures Enhanced +, 05000254/LER-1990-015-01, :on 900707,Tech Spec 3.0.A Entered.Caused by Inoperability of Reactor Bldg ECCS Room Drain Line Check Valves.Station Drawings Updated & Procedures Enhanced +, 05000254/LER-1990-015-01, :on 900707,Tech Spec 3.0.A Entered.Caused by Inoperability of Reactor Bldg ECCS Room Drain Line Check Valves.Station Drawings Updated & Procedures Enhanced +  and 05000254/LER-1990-015-01, :on 900707,Tech Spec 3.0.A Entered.Caused by Inoperability of Reactor Bldg ECCS Room Drain Line Check Valves.Station Drawings Updated & Procedures Enhanced +

0.00515 d (0.124 hours, 7.357804e-4 weeks, 1.693225e-4 months)  +, 0.0258 d (0.619 hours, 0.00369 weeks, 8.48515e-4 months)  +, 0.0266 d (0.639 hours, 0.0038 weeks, 8.7515e-4 months)  +, 0.0015 d (0.0361 hours, 2.149471e-4 weeks, 4.9465e-5 months)  +, 0.00347 d (0.0833 hours, 4.960317e-4 weeks, 1.1415e-4 months)  +, 0.00694 d (0.167 hours, 9.920635e-4 weeks, 2.283e-4 months)  +, 0.00943 d (0.226 hours, 0.00135 weeks, 3.101075e-4 months)  +, 0.00949 d (0.228 hours, 0.00136 weeks, 3.1201e-4 months)  +, 0.00976 d (0.234 hours, 0.00139 weeks, 3.207615e-4 months)  +, 0.0104 d (0.25 hours, 0.00149 weeks, 3.4245e-4 months)  +, 0.0197 d (0.472 hours, 0.00281 weeks, 6.4685e-4 months)  +, 0.0243 d (0.583 hours, 0.00347 weeks, 7.9905e-4 months)  +, 2.314815e-5 d (5.555556e-4 hours, 3.306878e-6 weeks, 7.61e-7 months)  +, 0.00168 d (0.0403 hours, 2.397487e-4 weeks, 5.51725e-5 months)  +, 0.0119 d (0.286 hours, 0.0017 weeks, 3.91915e-4 months)  +, 0.0142 d (0.342 hours, 0.00203 weeks, 4.68015e-4 months)  +  and 0.0162 d (0.389 hours, 0.00231 weeks, 5.327e-4 months)  +

10 CFR 50.73(a)(2)(iv), System Actuation +, 10 CFR 50.73(a)(2)(x) +, 10 CFR 50.73(a)(2)(iii) +, 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition +, 10 CFR 50.73(a)(2) +  and 10 CFR 50.73(a)(2)(1) +

Reactor Core Isolation Cooling +, Core Spray +  and Emergency Core Cooling System +

TS-3.5.A +, TS-3.5 +  and TS-3.0.A +

Time of Discovery +, Loop seal +  and Operability Assessment +

https://lersearch.inl.gov/Index.aspx?Page=PDFView?Doc::2541990015R01.pdf  +  and http://pbadupws.nrc.gov/docs/ML2005/ML20058M313.pdf  +