05000277/LER-1982-016

LER 82-016/01P:on 820709,equalizing Valve on Main Steam Line a High Flow Transmitter (Dpis 116B) Found Open.Cause Under Investigation.Valving of Instrument Performance Verified

ML20055B501
Person / Time
Site:	Peach Bottom
Issue date:	07/13/1982
From:	Fleishmann R PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:	Haynes R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
LER-82-016-01P, LER-82-16-1P, NUDOCS 8207220429
Download: ML20055B501 (2)

LER-2082-016,

Event date:
Report date:
2772082016R00 - NRC Website

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My 13,1982

k. R. C. Bayres, Director kgico I Office of Ingw+im and Enfcreement 5 Rirler Replatmy &=leelm 631 Park Avenue .

King of,, Prussia, PA 19406 ,

SB3ECT: LICENEE EViNP REPORT PjQPf MTIFICMTM OMecrgs

Dear R. Bay:

es:

Reference:

Docket no. 50-271 Pead Bottcm thit 2 i

M @ E: O 3.2.h Report No.: 2-82-1d/IP occurrenca Date: July 9,1982 Facility: Pead Bottce Atode Pouer Station ED 1, Delta, PA 17314 EENfIFIOffEM OF 00CD15EK2:

One of the four 'A' main steam line hi@ fim traunitters (dpis 112) use found with an open -r= mig alw.

i (INDITION PRIGt to 00CUENE:

thit operating at approxiantely 90%.

APPMENT 00SE Or 1HE 003H52: '

Operator cbservaticn &lring a Surveillance Test led to the dis;mery of the open equalizing valves. Investigation is still underway to determine the cause of the event. -

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Iim y eg.alizing vale cn dpis 119 would prevent it froa signaling

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p@g lines wre rot affected daa to low ficw through the cnsing 1?ms. @ls lw flw conditicn W.s caused by instrtrxat )! o rc '

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Immediate steps were taken to verify pn:get valving of instaments lg perfonunce of Er 8.&2 (Ewa. valve c.o.I ).

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