ML20054K116
| ML20054K116 | |
| Person / Time | |
|---|---|
| Site: |  |
| Issue date: | 06/23/1982 |
| From: | Nardoci P DUKE POWER CO. |
| To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| Shared Package | |
| ML20054K113 | List: |
| References | |
| LER-82-038-03L, LER-82-38-3L, NUDOCS 8207010094 | |
| Download: ML20054K116 (1) | |
Text
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(7 7FI LICENSEE EVENT REPORT EXHIBIT A CONTROL ELOCIC: l l l l l l l (PLEASE PMiNT OR TYPt ALL REQuimED INFORMATIONI i .
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si occusT uusen 74 7s EVENT DESCRIPTION ANO PAOSASLE COPsSEQUENCES h10 o 2 i T.S.4.5.1.2.C.1 requires that eacF1 accumulator isolation valve close when the l l r;nsi i water level is 73.3 i 0.25 inches. Quality Assurance surveillance of the main- g o 4 I tenance history of the 4 UHI level switches indicates that instrument setpointst o s l are not being~ maintained within T.S.4.5.1.2.C.1 limits, which is reportable pert F61s l 1 T.S . 6.9.1.13(a) . The reduced heat flux hot channel factor (Fo(z)) limit of 2.204
['5T71 I combined.w"ith the 75% power limit being observed, provides assurance that the I g i unit is operating within ECCS analysis limits. Health and safety of the publici
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CAuse DeseniPTION ANO COnneenve ACTiOss @
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g i indicate that the level switches are incapable of performing at the accuracy ,
iii3i l required. Per Westinghouse's recommendation, a Fo(z) reduction of 0.12 is being; gl observed. Westinghouse is reexamining the UHI error analysis to determine if the
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NAuE c8 PauARER Phillip B. Nardoci
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704-373-7432 8207010094 820623 PDR ADOCK 05000369 S PDR
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