ML20054B097

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LER 82-011/03L-0:on 820313,during Control Rod Scram Time Tests,Control Rod 30-19 Failed to Scram.No Cause Found. Solenoids for Hydraulic Control Unit 30-19 & Scram Pilot Valves 117 & 118 Replaced
ML20054B097
Person / Time
Site:  Constellation icon.png
Issue date: 04/08/1982
From: W. Verne Childs
POWER AUTHORITY OF THE STATE OF NEW YORK (NEW YORK
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20054B096 List:
References
LER-82-011-03L, LER-82-11-3L, NUDOCS 8204160323
Download: ML20054B097 (1)


Text

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60 61 DOCKET NUV6ER 6d 63 EVENT D ATE 74 75 REPORT DATE 80 EVENT OESCRIPTION AND PROB ABLE CONSEQUENCES O10 10121 l During normal operation, while conYucting control rod scram time tests required i j i o i3, i by TS 4.3.C.1, control rod 30-19 fa.iled to scram. The control rod was inserted j io i4 i l by normal means and electrically disarmed. No significant hazard existed. I  ;

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43 44 47 CAUSE OESCRIPTION AND CORRECTIVE ACTIONS giioll Troubleshooting did not reveal any cause for the failure of control rod 30-19 to gil3 1l scram. The solenoids for hydraulic control unit 30-19 scram pilot valves 117 and I j i,i,ii 118 were replaced and the control rod was scram tested with satisfactory results I i,i3i 1 on the following day. I l i i 41 1 I 7 3 3 60 ST S  % POWER OTHER STATUS I CO Y CISCOVERY CE50mPTION l' is 1' [E_J@

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