LER-1979-004, Forwards LER 79-004/03L-0 |
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| 2701979004R00 - NRC Website |
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e DUKE P O W I~H COSI PANY l'OW E at : ll' t LDI S O
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' 13, 1979 e c, a.cs :c.
July
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'tr. James i', O'Reilly, Director U.S. Nuclear Regulatory Commissien Region 11 101 '!arie t ta S tree t, Suite 3100 Atlanta, CA 30303 Re: Oconee Unit 2 Docket
'o.
50-270
Dear Mr. O'Reilly:
Please find attached Reportable Occurrence Report R0-27C/79 This report is being submitted pursuant to Oconee 'uclear Station Tecnnical Specifications 6.2 and 6.6.2.1.b(2), which concerns shutdcwn requirea by a limiting condition for operation, and describes an incicent u ch is considered to have no significance with respect to it.s affect cn the health and safety of the public.
Very truly yours, f
l,
s Q,b'&
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< M PA%j'*
' 'h FYS William 0. Parker, Jr.
SRL/sch Attachment cc: Director, Office of Management Information and Program Control aPAoGeg,,
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AoWER 7907180 60 2 8'
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| 05000270/LER-1979-004, Forwards LER 79-004/03L-0 | Forwards LER 79-004/03L-0 | | | 05000270/LER-1979-004-03, /03L-0 on 790615:RCS Leakage Observed & Unit Shut Down for Repairs.Caused by Leak on Packing on Pressurizer Spray Control Bypass Valve.Valve Was Backseated & Leakage Terminated | /03L-0 on 790615:RCS Leakage Observed & Unit Shut Down for Repairs.Caused by Leak on Packing on Pressurizer Spray Control Bypass Valve.Valve Was Backseated & Leakage Terminated | | | 05000270/LER-1979-005-03, /03L-0:on 790924,rod Block Gaseous Radiation Monitors Were Inoperable When Containment Isolation Valve on Monitor Return Line Failed Closed.Caused by Hole in Operator Diaphragm.Diaphragm Replaced | /03L-0:on 790924,rod Block Gaseous Radiation Monitors Were Inoperable When Containment Isolation Valve on Monitor Return Line Failed Closed.Caused by Hole in Operator Diaphragm.Diaphragm Replaced | | | 05000270/LER-1979-005, Forwards LER 79-005/03L-0 | Forwards LER 79-005/03L-0 | | | 05000270/LER-1979-009-01, /01T-0:on 791209,during Annual Maint of Engineered Safeguard Valves,Hpi Suction Valves from Borated Water Storage Tank Rendered Inoperable.Caused by Inadvertent Removal & Cleaning of Limit Switch Assemblies | /01T-0:on 791209,during Annual Maint of Engineered Safeguard Valves,Hpi Suction Valves from Borated Water Storage Tank Rendered Inoperable.Caused by Inadvertent Removal & Cleaning of Limit Switch Assemblies | | | 05000270/LER-1979-009, Forwards LER 79-009/01T-0 | Forwards LER 79-009/01T-0 | | | 05000269/LER-1979-029, Forwards LER 79-029/03L-0 | Forwards LER 79-029/03L-0 | | | 05000269/LER-1979-029-03, /03L-0:on 790902,reactor Vessel Head Flange Leaked Slightly.Caused by Improper Installation of Incorrect O-rings.Installation Procedures Revised to Assure That Correct O-rings Are Used & Properly Installed | /03L-0:on 790902,reactor Vessel Head Flange Leaked Slightly.Caused by Improper Installation of Incorrect O-rings.Installation Procedures Revised to Assure That Correct O-rings Are Used & Properly Installed | |
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