ML20064D821

/03L-0 on 781004:pressure Switch E11-PS-NO16B Failed During Periods Plci Pump Discharges ADS Permissive Test,Due to Corrosion Buildup on Plunger of Switch

ML20064D821
Person / Time
Site:	Brunswick
Issue date:	11/02/1978
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:
Shared Package
ML20064D815	List: ML20064D812 ML20064D821
References
LER-78-075-03L, LER-78-75-3L, NUDOCS 7811090197
Download: ML20064D821 (1)

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LICENSEE EVENT REPORT CONTaot etcc< l i l l l l I@ t LE Ast raiNT on TvPE ALL REcV! AED INFOR'.9ATION)

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41 , l42Y l@ l Alg l Bl 0l 6l 9[g 43 A4 47 CAUSO CESCR;PTION AND CCR AECTIVE ACTIONS Ii j o l l Switch failure was caused by a corrosion buildup on the plunger of the switch. The 1

[i li l l switch was disassembled , cleaned and returned to service. The frequency of Periodic l i,#2; LTest 3.1.1P will be increased from once per month, to twice per month. An l t [il3ll engineering work request (No.78-421) was submitted to further evaluate the plunger l'

[ .-l l corrosion problem. l 7 8 9 80 STA 5  % POWE R OTNER STATUS 085 0 F D8SCQv&RY DESORlPTICN I115 I [Ej@ [0 l 813 l@l NA l l B lfgl Periodic Test l A ' TviTv CO$TE ;T

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, l i i s8l 9l 0l 0 l O l@l 12- NA - ,j t  ? 11 80 LOSS OF CR O AVACE TO FACsLITY .

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